ML20056F899
| ML20056F899 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 06/30/1993 |
| From: | Hutchinson C ENTERGY OPERATIONS, INC. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| GNRO-93-00105, GNRO-93-105, NUDOCS 9308310286 | |
| Download: ML20056F899 (60) | |
Text
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August 26, 1993 ! r U.S. Nuclear Regulatory Commission Mail Station P1-37 ! Washington, D.C. 20555 Attention: Document Control Desk l
Subject:
Grand Gulf Nuclear Station l Docket No. 50-416 i License No. NPF-29 l Semiannual Radioactive Effluent Release Report for the period .j January 1,1993 through June 30,1993 .; GNRO-93/00105 i Gentlemen: Attached is the Entergy Operations, Inc. Semiannual Radioactive Effluent Release Report for the Grand Gulf Nuclear Station (GGNS) for the period January 1,1993 through i' June 30,1993. This report is submitted in compliance with the requirements of 10CFR50.36(a)(2) and the GGNS Technical Specifications 6.9.1.8,6.9.1.9, and 6.14. In addition to meeting these requirements, this report complies with the GGNS Offsite Dose Calculation Manual (ODCM). Please direct questions concerning this report, to James Owens at (601) 437-6483. i Yours truly, ; p
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CRH/JEO/ams ; attachment: Semiannual Radioactive Effluent Release Report , cc: (See Next Page) ! i 30f103 l f G9308241 - 1 9308310286 930630 N,
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I [ PDR ADOCK 05000416 6 J/ R _ PDR b ;
i m i August 26,.1993 ; GNRO-93/00105 : Page 2 of 3 l e cc: Mr. R. H. Bernhard (w/a) l Mr. H. W. Keiser (w/a) Mr. R. B. McGehee (w/a) ' Mr. N. S. Reynolds (wia) Mr. H. L. Thomas (w/o) l Mr. Stewart D. Ebneter (w/a) Regional Administrator . U.S. Nuclear Regulatory Commission ! Region 11 101 Marietta St., N.W., Suite 2900 Atlanta, Georgia 30323 Mr. P. W. O'Connor, Project Manager (w/2) ; Office of Nuclear Reactor Regulation i U.S. Nuclear Regulatory Commission l Mail Stop 13H3 i Washington, D.C. 20555 j t i l 1 I i
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T 9 Grand Gulf Nuclear Station SEMIJJNJAL PADICACTIVE EFFLUENT RELEASE REPORT January 1 - June 30, 1993 Prepared By: ( MA , d.H 4 ' /Ld w / 8-2 3- RF Reviewed By: N[ [ 24 / f( 2 L(. 0,3 Approved By: / 72 h 9
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M:\ TECH _ PUB \FROCED\SRREVFLR\ SRER901.2 s a
e s TABLE OF CONTENTS i
, 1 SUBJECT PAGE i a
I. INTRODUCTION......... ........ ........... .. ... ............. ..... . 1 , f i II. DETAILED INFORMATION... ................ ....... ..................... 2 ; t A. Regulatory Limits............... .. ............................. 2
- 1. 10CFR20 Limits !
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- a. Fission and Activation Gases............................. 2 !
- b. Radiciodines and Particulates............ ..... ..... . . 2 l Liquid Effluents... ............. ........... ......... . i
- c. 2
- 2. 10CFR50, Appendix I Limits ;
I
- a. Fission and Activation Gases. .... ..... ........... .... 2 ,
- b. Radiciodines and Particulates. ...... . ............... 3 ,
- c. Liquid Effluents............................. ..... ... 3 '
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- 3. 40CFR190 Limits....... ........... ............ . .. .... .... 3 I i
B. Maximum Permissible Concentrations.. . ........ ................. 3
- 1. Airborne. . ... .... ..... ............ ................. 3
- 2. Liquid. . . . ......... .... .................... .......... 3 C. Average Energy... ... .. . .... ... ... ... .. ... .. .......... 4. r D. Measurements and Approximations of Total. Activity..... .. ....... 4 l
- 1. For F4ssion and Activation Gases.. ........ .................. 4 !
- 2. For Particulates and Radiciodines............................. 5
- 3. For Continuous Releases....... .................... .... ..... 5 i
- 4. For Batch Releases: Gases..... .............. ....... ........ 5 t
- 5. For Batch Releases: Liquid Effluents... .................... . 5 .
E. Batek Releases. ....... ................... .......... ... ... ... 6.
- 1. Liquid...... ................................................. 6 l
- 2. Gaseous........ ....... .. .. ............. .................. 6 j F. Unplanned Releases.......... ........ ........................ ... 6 !
- 1. Liquid. .... ... .... . . ............. .... ..... ........ 6
- 2. Gaseous., ......... ..... .................. . ......... ... 6 i G. Estimate of Total Error..... ...... ... .. ........ . .. ........ 6 !
- 1. Liquid. .... .... .... .... . . ..... ......... ......... 6
- 2. Gaseous.......................... ........................... 7
- 3. Solid Radioactive Waste.... ............ .. ........ . .. . 7 H. Solid Radioactive Waste Shipments.... ..................... .. ?
I. Meteorological Data............................. ..... ........... 7 7 J. Radioactive Effluent Monitoring Instrumentation Operability...... 7 l i K. Annual Sewage Disposal Summary ....... ....... .... ............. 7 s A
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M:\ TECH _ PUB \ REPORT \SRREVFLR\ SRER901.2
-TABLE OF CONTENTS (Continu9d) e III: RADIATION DOSE
SUMMARY
... ........... ......... ..... ... .. .. 8 A. Water-Related Exposure Pathways ..... ......... ................. 8 B. Airborne-Related Exposure Pathways ............................. . 8 IV. OFFSITE DOSE CALCULATION MANUAL / RADIOACTIVE WASTE TREATMENT SYSTEM CHANGES................ ....................... 9 A. Offsite Dose Calculation Manual (ODCM)........................... 9 B. Radioactive Waste Treatment Systems.......................... ... 9 LIST OF TABLES TABLE PAGE 1A Gaseous Effluents - Ss 'on of All Releases.............. 10 IB Gaseous Effluents - Elevated Releases............. ........ 11 1C Gaseous Effluents - Ground-Level Releases................. 12 1D Radioactive Gaseous Waste Sampling and Analysis Program. .. 13 2A Liquid Effluents - Summation of All Releases............ .. 15 2B Liquid Effluents - Continuous and-Batch Modes.... ......... 16 2C Radioactive Liquid Waste Sampling and Analysis Program..... 17 3 Solid Radioactive Waste and Irradiated Fuel Shipments............................................. 18 4A Meteorological Data - January - March, 1993 .. . 20-36 4B Meteorological Data - April - June, 1993 ......... 37-53 4C Meteorological Data Summary (January-December) . . .. 54-71 4D Classification of Atmospheric Stability....... ............ 72 MIT OF ATTACHMENTS None
-iii M:\ TECH _ PUB \ REPORT \SRREVFLR\ SRER901.2 1
I. INTRODUCTION i i This Semiannual Radioactive Effluent Release Report for the pericd of January 1 through June 30, 1993 is submitted in accordance with I Section 6.9.1.8 of Appendix A to Grand Gulf Nuclear Station (GGNS) License No. ) l NPF-29. The monitoring of radioactive effluents is referenced in Appendix A, l Sections 3/4.11 and 3/4 12 and the Offsite Dose Calculation Manual (ODCM). j l Airborne discharges at GGNS are considered ground-level releases. All liquid and airborne discharges to the environment were analyzed in accordance with ODCM requirements. All effluent releases were within the concentration and total release limits specified by the ODCM. Projected offsite doses were within the dose limits specified by the ODCM. The summation of all gaseous releases during the reporting period is given in Table 1A, while elevated releases and ground-level releases are given in Tables 1B and IC, respectively. Table ID describes the radioactive gaseous sampling and analysis program implemented at GGNS. The summation of all liquid releases during the reporting period is given in Table 2A, while continuous and batch mode releases are given in Table 2B. Table 2C describes the radioactive liquid waste sampling and analysis program implemented at GGNS. Solid radioactive waste and irradiated fuel shipments during the reporting q period are summarized in Table 3. Meteorological data is included in Tables 4A - j 4C. Table 4D presents atmospheric stability classifications.
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't II. DETAILED INFORMATION l A. Regulatory Limits a f
- 1. 10CFR20 Limits I
- a. Fission and Activation Gases - The release rate limit at any !
I time for noble gases to areas at or beyond the site boundary shall be such that: D average total body dose rate in the current year (mrem /yr) b= , n
= X/Q I K.1 Q , 5 500 mrem /yr 1
p D = average skin dose rate in the current year (mrem /yr) { g i !
= I/O I (L. + 1.1 M.) Q.1 5 3000 mrem /yr 1 1 where the terms are defined in the GGNS ODCM.
- b. Radiciodines and Particulates - The release rate limit for the sampling period for all radiciodines, tritium and radioactive [
materials in particulate form with half-lives greater than 8 days ! shall be such that: D = average organ dose rate in current year (mrem /yr)
= Ii WPi Q'i i 1500 mrem /yr l 6
where the terms are defined in the GGNS ODCM. !
- c. Liauid Effluents - The concentration of radioactive materials 7 released in liquid efluents to unrestricted areas from the 3 reactors at the site shall not exceed at any time the values ;
specified in 10CFR20, Appendix B, Table II, Column 2 The ! concentration of dissolved or entrained noble gases, released in ! liquid effluents to unrestricted areas from all reactors at the j site, shall be limited to 2 x 10-4 microcuries/ml total activity. ~
- 2. 10CFR50, Appendix I Limita
- a. Fission and Activation Gases - The dose from noble gases in -f gaseous effluents to areas at or beyond the site boundary j shall be such that:
D = air dose due to gamma emissions from noble gases Y (
-B ,
= 3.17 x 10 I M. X/Q' Q, 6 5 mrad /qtr i i 1 1 s 10 mrad /yr Dp = air dose due to beta emissions from noble gas
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= 3.17 x 10 E. N. X/Q' Q. 5 10 mrad /qtr !
1 1 1 l l 5 20 mrad /yr where the terms are defined in the GGNS ODCM.
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- b. Radiciodines and Particulates - The dose to an individual from !
tritium, I-131, I-133 and radioactive material in particulate form ! with half-lives greater than 8 days in gaseous effluents shall be l such that. D = dose to an individual from tritium, I-131, I-133 and . P radionuclides in particulate form with half-lives greater l than B' days (mrem) '
= 3.17 x 10' E R.1 W' Q. 5 7.5 mrem /qtr Any Organ 1
i 5 15 mrem /yr Any Organ where the terms are defined in the GGNS ODCM. l
- c. Licuid Effluents - The dose from radioactive materials in l liquid effluents shall be such that: !
m i i D Tau " Ii [A Tau E t[ C[ i Ff ] 5 1.5 mrem /qtr Total Body I =1 5 5 mrem /qtr Any Organ ; t 5 3 mrem /yr Total Body I 5 10 mrem /yr Any Organ , where the terms are defined in the GGNS ODCM. ,
- 3. 40CFR190 Limits {
Doses are calculated for Fission and Activation' Gases; Radiolodines and Particulates; and Liquid Effluents according to e equations contained in Sections 2. (a) , (b), and (c) respectively, with > the exception that the limits applied are: ; i
$25 mrem /yr, Total Body or any Organ except Thyroid j
$75 mrem /yr, Thyroid
{ 510 mrad y/qtr or 520 mrad y/yr, Fission 2nd Activation Gases , 520 mrad p/qtr or $40 mrad p/yr, Fission and Activation Gases r s15 mrem /qtr or 530 mrem /yr, any Organ, Iodine and Particulates f 53 mrem /qtr or 56 mrem /yr, Total Body, Liquid Effluents _f i s10 mrem /qtr or 520 mrem /yr, any Organ, Liquid Effluents B. Maximum Permissible Concentrations ,
- 1. Airborne '
The Maximum Permissible Concentration (MPC) of radioactive materials in ; gaseous effluents is limited by the dose rate restrictions of 10CFR20. In this case, the NPCs are actually determined by the dose factors in Table 2.1-1 of the.GGNS ODCM.
- 2. Liquid The MPC of radioactive materials in liquid effluents is limited by 10CFR20, Appendix B, Table II, Column 2. The MPC chosen is the most i conservative value of either the soluble or insoluble MPC for each !
radioisotope. .
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. i n l C. Average Energy -
Not applicable for GGNS ODCM Appendix A. : i D. Measurements and Approximations of Total Activity , I The following discussion details the methods used to measure and i approximate total activity for the following: ; i
- 1. Fission and Activation Gases !
- 2. Radiciodines {
- 3. Particulates I I
4, Liquid Effluents I Tables ID and 2C give sampling frequencies and minimum detectable 5 sensitivity requirements for the analysis of gaseous and liquid effluent i streams, respectively. { t Values in the attached tables given as zero do not necessarily imply { that the radionuclides were not present. A zero indicates that the i radionuclide was not present at levels greater than the sensitivity j requirements shown in Tables 1D and 2C. For some radionuclides, lower i detection limits than required may be readily achievable; when a i radionuclide is measured below its stated detection limits, it is reported. { l
- 1. For Fission and Activation Gases l i
The following noble gases are considered in evaluating gaseous airborne l discharges: ; Ar-41 Xe-131m j Kr-85m Xe-133 ! Kr-85 Xe-133m ! Kr-87 Xe-135m l Kr-88 Xe-135 l Kr-89 Ze-138 ' i Period 2e grab samples from Station effluent streams are analyzed by a l computerized pulse height analyzer system utilizing high-resolution l germanium detectors. (See Table 1D for sampling and analytical : requirements. ) Isotopic values thus obtained are used for dose release . rate calculations due to effluent releases as given in l Section II.A.1. of this report. Only those radionuclides that are ! detected are used in this computation. During the period between grab ! samples, the amount of radioactivity released is based on the effluent ! monitor readings. Monitors are assigned a calibration factor based i upon the last isotopic analysis, using the following relationship: [ Cg = U g+m :l where C = isotopic calibration factor for isotope i s U. = concentration of isotope i in the grab sample in pCi/ml. i i I t m = net monitor reading associated with the effluent stream ; (determined at the time of grab sampling) . l t These calibration factors, along with the hourly effluent monitor j values and flow' rates, are entered into the laboratory computer where , the release rates for individual radionuclides are calculated and ( stored. If no activity is detected in the grab sample, the calibration ! factor defaults to a historical mixture of Kr-88, Xe-133, Xe-135m, Xe- i 135, and Xe-138. !
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- 2. -For Particulates and Radiciodines The radiciodines and radioactive materials in particulate form to be ,
considered are: Zn>65 I-133 Cr-51 Cs-134 Mn-54 Cs-136 Fe-59 Cs-137 r Co-58 Ba-140 ! Cc-60 Le-141 Sr-89 Ce-144 , Sr-90 Other radionuclides [ Zr-95 with half-lives r Sb-124 greater than , I-131 8 days. ! i For Continuous Releases i 3. Continuous sampling is performed on the continuous release points (i.e., Radwaste Vent, Containment Purge, Fuel Handling Area Vent, Turbine Building Vent). Particulate material is collected by filtration. Radioiodines are collected by adsorption onto a charcoal filter. Periodically these filters are removed and analyzed on the ; pulse height analyzer to identify and quantify radioactive materials i collected on the filters. Particulate filters are then analyzed for ! gross alpha and Strontium-89 and -90 as required. Gross alpha determinations are made using a 2-pi gas flow proportional counter. i Strontium-89 and -90 values are obtained by chemical separation and j subsequent analysis using 2-pi gas flow proportional counters. Tritium concentrations are determined using liquid scintillation techniques. During major operational occurrences, the frequency of sampling is increased to satisfy the requirements of footnote "c" of Table ID,
" Radioactive Gaseous Waste Sampling and Analysis," (GGNS ODCM Appendix ;
A, Table 4.11.2.1.2-1). 1
- 4. For Batch 1 eleases: Gases j The processing of batch type releases (from Containment Purge) is l analogous to that for continuous releases. '
- 5. For Batch Releases: Liquid Effluents The radionuclides listed below are considered when evaluating liquid !
effluents: , i H-3 Mo-99 Co-58 Tc-99m Co-60 I-131 Fe-55 I-132 i Fe-59 I-133 } Zn-65 I-135 ; Mn-54 Cs-134 t Cr-51 Cs-137 ! Sr-89 Ba-140 l Sr-90 La-140 t Nb-95 Ce-141 i Zr-95 Ce-144 ! I I I J
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~ - Representative pre-release grab samples are obtained and snalyzed as -
required by Table 2C. Isotopic analyses are performed u; ting the l computerized pulse height analysis system previously described. ] Aliquota of each pre-released sample, proportional to the waste volume I released, are composited in accordance with the requirements of Table l 2C. Strontium determinations.are made by performing a chemical ; separation and counting the separated strontium using a 2-pi gas flow j proportional counter. Gross alpha determinations are made using 2-pi l gas flow proportional counters. Tritium and Iron-55 concentrations are determined by using liquid scintillation techniques. Dissolved gases are determined employing grab sampling techniques and then counting on the pulse height analyzer system. ; E. Batch Releases j
- 1. Liquid Batch Releases l l
- 1st 2nd 3rd 4th 1993 Qir Qtt Qtr Q1r Total l L
- a. Number of releases 29 66 [
i Time Period (in minutes)
- b. Total for all batches 8548 20372 ;
- c. Max time for a batch 430 424 ,
I d. Avg time for a batch 295 309 i
- e. Min time for a batch 190 255
- 2. Gaseous j No batch releases were made during report period. !
F. Unplanned Releases
- 1. Liquid i No unplanned liquid release occurred during report period.
- 2. Gaseous i I
Turbine building hatches were opened in May and June 1993 to vent hydrogen. Flow rates through hatches are being calculated by [ } engineering, and necessary corrections to January - June 1993 SRERR t will be provided in subsequent report. G. Estimate of Total Error d 1. Liquid ; The maximum errors are collectively estimated to be ! Fission & Dissolved & Activation Entrained Gross l Products Tritium Gases Alpha Sampling 26% 26% 76% 26% Measurement 68% 65% 61% 92% Total 73% 70% 66% 95% j r I 4 i
.*: l Sampling errors include uncertainty associated with mixing, ;
representative sampling and discharge volume. Measurement errors .
. include uncertainty associated with instrument calibration and the preparation and counting of low-activity samples. Counting errors are based on measurements of blank samples and, for germanium detectors, the 3 least-readily-detectable radioisotope. Calibration errors are !
calculated by summing the errors associated with the calibration of a , particular instrument with a radioactive source. i Total error is calculated by taking the square root of the sum of the ; squares of the individual errors. !
- 2. Gaseous ,
The maximum errors (not including sample line loss) are collectively estimated to be , d Fission & I Activation Gross -; ' Gases Iodine Particulate Aloha Tritium Sampling 32% 23% 22% 22% 23% Measurement 61% 67% 65% 101% 62% ! Total 69% 71% 69% 103% 66%
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Sampling errors include uncertainty associated with sample flow, vent f flow and monitor ca3ibration. ' Measurement errors include uneartainty associated with instrument , calibration and preparation and counting of low-activity samples. ; Measurement and total errors are calculated by the same methods used for i liquid effluents. t
- 3. Solid Radioactive Waste See Table 3 for error terms. ,
i H. Solid Radioactive Waste Shipments
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See Table 3 for shipment information. l I. Meteorological Data ! E
- 1. Meteorological Data Recovery Rate (1993) l Parameter % Data Recovery 1st Otr 2nd Otr 3rd Otr 4th Otr Averace t
50m Wind Direction 98.56 88.97 50m Wind Speed 98.56 88.97 l 10m Wind Direction 98.55 88.97 IOm Wind Speed 98.56 88.97 f Temperature 98.56 88.97 l Dew Point 98.52 88.97 i Delta T 98.56 88.97 i Precipitation 98.56 95.92 { i
- 2. Meteorological data for the period of the report is included in Tables 4A through 4C. !
J. Radioactive Effluent Monitoring Instrumentation Operability No reportable instances of inoperability occurred during the report period. K. Annual Sewage Disposal Summary f See end-of-year report for Annual Sewage Disposal Summary
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e III.. EADIATION DOSE
SUMMARY
Indicated below is the annual rummary of offsite doses attributable to GGNS during 1993. Inspection of the values indicate that GGNS releases were within the 10CFR50, Appendix I design objectives. Since there are no other fuel cycle facilities within 8 km of GGNS, 40CFR190 limits have also been met during this period. Idl parameters listed were calculated in accordance with the GGNS ODCM. A. Water-Related Exposure Pathways The values calculated in this section utilize the information provided in Tables 2A and 2B of this report and the calculational methodology of the ODCM. Liouid Effluents Total body dose and critical organ doses are computed for the maximum exposed individual. The maximum dose contribution from liquid effluents is considered to occur in the adult age group via consumption of fish. 1993 Liquid Effluent Dose (mrem) let Otr 2nd Otr 3rd Otr 4th Otr Total Whole Body 1.24E-03 1.23E-02 Bone 2.95E-03 1.26E-02 Liver 3.24E-03 1.96E-02 Thyroid 3.71E-04 1.37E-03 Kidney 5.54E-04 5.95E-03 Lung 1.53E-03 4.90E-03 GI-LLI 6.31E-03 1.49E-02 , B. Airborne-Related Exposure Pathways I The values presented in this section utilize information provided in Tables ! 1A and 1C of this report and the calculational methodology of the ODCM. j Doses and dose rates are computed for locations at the site boundary or at , unrestricted areas within the site boundary. The use of unrestricted areas within the site boundary as controlling receptor locations provides assurance that offsite doses will not be substantially underestimated, as well as determining the radiation dose from gaseous effluents to members of r the public due to their activities inside the site boundary. ! Part i cul ate. Radiciodine and Tritium v i Organ doses from exposure to radiciodines, tritium and particulates are computed for an individual located in the south sector at a distance of 0.5 miles. This location corresponds to one of the two onsite GGNS gardens. Pathways considered in the dose calculations are inhalation, ground plane, l grass / cow / milk, grass / cow / meat and vegetation. For a particular .i radionuclide, the maximum dose factor obtainable from a combination of age ; groups and organs is used in the calculation of organ dose. L
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Noble Gases 4 Gamma and beta air dose and individual total body and skin dose rates from exposure to a semi-infinite cloud of noble gas are computed for a location in the west-northwest sector at a distance of 0.75 miles. This controlling location corresponda to the highest annual average atmospheric dispersion for an unrestricted area inside the site boundary (Hamilton Lake). The total body and skin doses reported below are derived from the quarterly average of the maximum instantaneous dose rates determined daily during the reporting period and would represent the maximum possible dose received by members of the public onsite, Direct Radiatio.D Direct radiation dose is calculated by subtracting average doses measured by thermoluminescent dosimeter (TLD) badges located at control locations from average doses measured by TLD badges located near the site boundary. 1993 Airborne Effluent Dose (mrem) Ist Otr 2nd Otr 3rd Otr 4th Otr TOTAL Iodine, Tritium & Particulates 8.09E-3 8.07E-3 Fission and Activation Gases (Total Body dose) 4.93E-3 6.02E-3 (Skin dose) 9.25E-3 1.15E-2 Gamma 8.71E-4 1.46E-3 Air dose
- Beta Air dose
- 8.80E-4 1.58E-3 Direct Radiation 0 0
- Measurement units are mrad IV. OFFSITE DOSE CALCULATION MANUAL / RADIOACTIVE WASTE TREAT!2NT SYSTEM CHANGES A. Offsite Dose Calculation Manual (ODCM)
No changes were made to ODCM during the report peric.d. B, Radioactive Waste Treatment Systems No major changes were made during the report period.
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. t TABLE 1A i
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EFFLUENT AMD WASTE DISPOSAL SEMIANNUAL REPORT 1993 GASEDUS EFFLUENTS-SUMMATION OF ALL RELEASES , 8 JANUARY - JUWE 1993 ; i l l Unit l Quarter l Quarter lEstTotall l Grand Gulf Nuclear Station UNIT 1l l 1 l 2 l Error %l l E A. Fission & Activation Gases f l1.Totalrelease l Ci l3.59E+00l6.27E+00l6.90E+01l l2.Averagereleaserateforperiod lUCi/secl4.57E-01l7.98E-01l l l 3. % of Technical specification limit l % l1.74E-02l2.91E-02l l
....................................................................... 1 B. Iodines l1.Totaliodine-131 l Ci l2.28E-06l3.97E-06l7.10E+01l j2.Averagereleaserateforperiod luCi/secl2.90E-07l5.05E-07l 1
a l 3. % of Technical specification limit l % l 2.28E-04l 3.97E-04l , a ...................................................................... C. Particulates . l1.Particulateswithhalf-lives >Bdaysl Ci l9.07E-06l1.34E-05]6.90E+01l , l l2.Averagereleaserateforperiod luti/seej1.15E-06l1.70E-06l l 3. % of Technical specification limit l % l5.75E-03l9.67E-03l , l4.Grossalpharadioactivity l Ci l2.70E-09l3.47E-10l l D. Tritium l1.Totalrelease l Cl l7.67E+00l6.14E+00l6.60E+01l l2.Averagereleaserateforperiod juti/secl9.76E-01l7.80E-01l l 3. % of Technical specification limit l % l9.13E-02l7.30E-02l E. Tritium,radiciodines and particulates
................................................................................ t l1.%ofTechnicalspecificationlimitl % l9.70E-02l8.26E-02l TBL1A L.
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r =* TABLE IB GRAND GULF NUCLEAR STATION ; t i 1 5 GASEOUS EFFLUENTS - ELEVATED RELEASES f i i i i t i r r 6 I (Not Applicable - GGNS releases are considered ground level) { i
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i. I k { i c i f f TBLIB i i I I
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l TABLE 1C I Grand Gulf Nuclear Station UNIT 1 1 JANUARY - JUNE 1993 I i l I l EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT 1993 l GASEQUS EFFLUENTS-GROUND-LEVEL RELEASE t CONTINU0US MODE BATCH MODE lNuclidesReleased l Unit l Quarter l Quarter l Quarter l Quarter
................................................................................l l t
l l l 1 l 2 1 2
................................................................................l l l 1
l
- 1. Fission gases XE-133 Cl 1.61E+00 2.94E+00 0.00E+00 0.00E+00 KR-88 Ci 6.86E-02 1.25E-01 0.00E+00 0.00E+00 XE-135 Cl 1.54E+00 2.81E+00 0.00E+00 0.00E+00 XE-138 l Ci 4.12E-02 7.51E-02 0.00E+00 0.00E+00 XE-135M Ci 3.31E-01 3.31E-01 0.00E+00 0.00E+00 i
................................................................................ 1 lTotalforperiod l Ci l 3.59E+00l 6.27E+00l 0.00E+00] 0.00E+00
................................................................................] 1
- 2. Iodines l
I-131 Ci 2.28E-06 3.97E-06 0.00E+00 0.00E+00 1-132 Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 1-133 Ci 6.85E-06 1.19E-05 0.00E+00 0.00E+00 I-134 Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 l I-135 Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 ' lTotalforperiod l Ci l9.13E-06l1.59E-05]0.00E+00 0.00E+00
......................................................................l..........l
- 3. Particulates
................................................................................ j H-3 Ci 7.67E+00 6.14E+00 0.00E+00 0.00E+00 Sr-89 Cf 0.00E+00 2.95E-07 0.00E+00 0.00E+00 Sr-90 C1 3.58E-07 1.06E-06 0.00E+00 0.00E+00 l Co-60 Ci 4.26E-06 4.04E-06 0.00E+00 0.00E+00 '
MN-54 Ci 9.66E-10 8.40E-07 0.00E+00 0.00E+00 CS-134 Ci 2.12E-06 0.00E+00 0.00E+00 0.00E+00 CS-137 Ci 2.33E-06 0.00E+00 0.00E+00 0.00E+00 , CR-51 Ci 0.00E+00 7.14E-06 0.00E+00 0.00E+00 lTotalforperiod l Ci l 7.67E+00l 6.14E+00l 0.00E+00l 0.00E+00
................................................................................l TBLIC r ;- l 12
TABLE 1D Grand Gulf Nuclear Station RADIOACTIVE GASEOUS WASTE SAMPLING AND ANALYSIS PROGRAM Lower Limit Lower Limit of Detection Gaseous Minimum Type of of Detection (Worst Case) Release Sampling Analysis Activity Required apabili Type Frequency Frequency Analysis (pCi/ml)a(LL ) (pCi/ml)gy A. (1) Radwaste M M Principal 1E-04 1.5E-07 ~~ ' Building Grab Sample Gamma Ventilation Emittersb,e E:.aaust H-3 1E-06 1.8E-10 (2) Fuel Continuous W I-131 1E-12 6.0E-13 Handling Charcoal Area Sample Ventilation I-133 1E-10 9.0E-13 Exhaust c Continuous W Principal 1E-11 9.6E-13 (3) Containment Particulate Gamma , Ventilation Sample Emitters Exhaust (I-131, Others) (4) Turbine Continuous M Gross Alpha IE-11 1.8E-14 Building Composite Ventilation Particulate Exhaust Sample Continuous Q Sr-89, IE-11 1.1E-14 Composite Sr-90 Particulate Sample Continuous Noble Gas Noble Gases 1E-06 4.4S-07 Monitor Gross Beta or Gamma Note: Footnotes indicated are listed in GGNS ODCM APPENDIX A, Table 4.11.2.1.2-1. TBL1D
- 13
j l s ' TABLE ID (Continued) Grand Gulf Nuclear Station ! I RADIOACTIVE GASEOUS WASTE SAMPLING AND ANALYSIS PROGRAM Lower Limit Lower Limit of Detection i Gaseous Minimum Type of of Detection (Worst Case) Release Sampling Analysis Activity Required Type Frequency Frequency Analysis (pCi/ml) a (LLD) (Capabiligy Ci/ml) 7 B. (1) Offgas Post M M Principal IE-04 5.4E-05 Treatment Grab Sample Gamma e ' Exhaust, Emitters i whenever i d there is i 1 flow j (2) d Standby Gas j Treatment A f Exhaust, ' ] whenever there is i flow ; (3) Standby Gas l 1 Treatment B i Exhaust, whenever I there is flow l i l 4 l i d Note.: Footnotes indicated are listed in GGNS ODCM Appendix A, Table 4.11.2.1.2-1. ' i TBLID j
)
a I l
- 14 l l
J
6
- - TABLE 2A Grand Gulf Nuclear Station i JANUARY - JUNE 1993 ,
LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES L l Unit l Quarter l Quarter IEst Totall l l 1 l 2 .I Error % l A. Fission & activation products r i 1. Total release (not including H3, l l l l l' l l gases, alpha) l Ci l 1.94E-02l 4.43E-02l 7.30E+01l , l 2. Average diluted concentration l [ [ l l during period l uCt/ml l 8.62E-081 8.45E-081 l 3. Percent of applicable limit l % l 3.03E-02l 3.06E-021 , B. Tritium [. 1 . Total release l Ci l 4.97E+00l 1.79E+01l 7.00E+01l l l-2. Average diluted concentration l l l l l during period l uti/mi l 2.21E-051 3.41E-05l 1 3. Percent of applicable limit l % l 7.35E-01) 1.14E+00l , C. Dissolved and entrained gases l 1. Total release l Ci l 2.82E-05l 8.43E-051 6.60E+011-l 2. Average diluted concentration l l l l I during period l uC1/ral l 1.25E-101 1.61E-10l 1 3. Percent of applicable limit l % l 1.88E-03l 2.41E-03) i D. Gross alpha radioactivity ! l 1. Total release l Ci l 0.00E+00l 0.00E+00l 9.50E+01l !
+
I lE. V o l urne of uaste (prior to dilution)l liters l 2.91E+06] 6.97E+06l 5.00E+001 lF V o l urne of dilution uater used i liters l 2.22E+081 5.18E+081 5.00E+001 i l D3IJA s i l l
- 15
'l i
TABLE 2B i Grand Gulf Nuclear Station s JANUARY - JUNE 1993 1 LIQUID EFFLUENTS - CONTINUDUS AND BATCH MODES I CONTINU005 MODE BATCH MODE l Huclides Released l Unit l Quarter l Quarter l Quarter l Quarter l , I l l 1 l 2 l 1 l 2 l- l l strontium-89 l Ci l 0.00E+00l 0.00E+00l 0.00E+00l 0.00E+001 l l strontium-90 l Ci l 0.00E+001 0.00E+00l 0.00E+001 0.00E+00l , l cesium-134 l Ci l 0.00E+00l 0.00E+00l 0.00E+001 3.12E-05l : l cesium-137 l Cl l 0.00E+00l 0.00E+00l 0.00E+001 3.43E-05l l l iodine-131 l Ci l 0.00E+00! 0.00E+00l 0.00E+00l 0.00E+001 . l cobalt-58 l Ci l 0.00E+00l 0.00E+00l 4.42E-05l 1.56E-04l ' I cobalt-60 l Ci l 0.00E+00l 0.00E+00l 1.20E-031 2.62E-03l. -i l iron-59 l Ci l 0.00E+001 0.00E+00l 1.91E-04l 3.26E-05l l zinc-65 l Ci 1 0.00E+00l 0.00E+00l 0.00E+00l 0.00E+001 J manganese-54 l l Ci l 0.00E+00l 0.00E+00l 4.28E-04l 1.23E-03l I chromium-51 l Ci l 0.00E+00l 0.00E+00l 3.98E-03l 1.34E-021 l zirconium-niobium-95 l Ci 1 0.00E+00l 0.00E+00l 0.00E+00l 0.00E+001 h l molybdenum-99 l Ci l 0.00E+00l 0.00E+00l 0.00E+00l 0.00E+00l t l technetium-99m l Ci l 0.00E+00l 0.00E+00l 4.16E-051 1.58E-05l ; I barium-lanthanum-140 l Cl l 0.00E+001 0.00E+00l 0.00E+00l 0.00E+001 l l cerium-141 l Ci l 0.00E+00l 0.00E+00l 0.00E+00l 0.00E+00l > I W-187 l Cl l 0.00E+00l 0.00E+001 0.00E+00l 9.41E-06l ; 1 Cu-64 l Ci l 0.00E+00l 0.00E+001.2.71E-051 1.79E-04l. l 1-133 l Ci l 0.00E+00l 0.00E+001 0.00E+001 2.06E-06l l As-76 l Ci l 0.00E+00l 0.00E+00l 2.23E-05l 1.22E-05l_ l Mn-56 l Ci l 0.00E+001 0.00E+001 0.00E+00l 1.03E-05l i l Ha-24 l Ci l 0.00E+00l 0.00E+00l 2.42E-05l 4.32E-041 l Sb-124 l Cl l 0.00E+00l 0.00E+00l 0.00E+00l 4.56E-06l , l Fe-55 l Ci l 0.00E+00l 0.00E+00l 1.35E-02l 2.62E-02l ' l l Total for period (above) l Cil 0.00E+00l 0.00E+001 1.94E-02l 4.43E-02l I xenon-133 i Ci l 0.00E+00l 0.00E+00l 1.44E-051 4.99E-06l j l xenon-135 l Ci l 0.00E+001 0.00E+001 1.38E-05l 7.93E-05) i l Xe-133m l Ci l 0.00E+00l 0.00E+001 0.00E+00l 0.00E+001 TBL2B 1
- 16 l
l l I l V ' i _ _
i TABLE 2C Grand Gulf Nuclear Station RADIOACTIVE L10UID WASTE SAMPLING AND ANALYSIS PROGRAM Lower Limit Lower Limit of Detection Liquid Minimum Type of of Detection (Worst Case) Release. Sampling Analysis Activity Required Type Frequency Frequency Analysis (yCi/ml)a(LLD) Capabiligy (yCi/ml) A. Batch P P Principal - SE-07 1.6E-07 f Waste Each Each Gamma d Releage Batch Batch Emitters Tanks
?
I-131 1E-06 2.3E-08 i P M Dissolved IE-05 7.1E-08 ! One and Batch /M Entrained l Gases (gamma emitters) i P M b H-3 1E-05 4 '. 4 E - 0 6 i Each Composite Batch Gross IE-07 3.8E-08 Alpha i P Q b Sr-89, SE-08 2.6E-08 ; Each Composite Sr 4 Batch . Fe-55 1E-06 1.4E-07 l l B. SSW Basin Principal SE-07 1.6E-07 (prior to Each Each Gamma d blowdown) Blowdown Batch Emitters 1-131 1E-06 2.3E-08 Note: Footnotes indicated are listed in GGNS ODCM Appendix A, Table 4.11.1.1.1-1. .i TBL2C i
- 17 v
+
TABLE 3 Grand Gulf Nuclear Station JANUARY - JUNE 1993 SOLID RADIO \pTIVE WASTE AND IRRADIATED FUEL SHIPPENTS A. Solid Waste Shinced Offsite for Burial or Disposal
- 1. Type of Waste G-Month Estimate Total Unit Period Error, %
- a. Spent resins, filter sludges, m 7.43E+01 oil, evaporator bottoms, etc. *Ci 2.09E+02 7.2E+01
- b. Dry compressible waste, m 7.41E+00 contaminated equipment, etc. *Ci 1.05E+00 6.9E+01
- c. Irradiated components, control m None N/A rods, etc. *Ci
- d. Other m None
*Ci N/A
- Total curie quantity determined by measurement. Total volume used is burial container volume.
- 2. Estimate of major radionuclide composition (by type of waste as identified above).
- a. Fe-55 35%
Co-60 23% Mn-54 13% Cr-51 21% Cs-134 2% Cs-137 2% Co-58 2% All Others 2%
- b. Fe-55 78%
Mn-54 7% Co-60 7% Fe-59 6% C-14 2 I
- c. N/A N/A
- d. N/A N/A TBL3
- 18
l l e . ! l 1 TABLE 3 (Continued) Grand Gulf Nuclear Station ; l JANUARY - JUNE 1993
- 3. Solid Waste Disposition
- a. Resins were dewatered in steel liners or High Integrity Containers according to the requirements of the GGNS PCP and shipped to Barnwell, !
SC for burial. t 7me resin was shipped to Scientific Ecology Group (SEG) of Oak Ridg1, TN for volume reduction. SEG shipped reduced waste ; to Barnwell, SC. Reduced volume was used in providing information given in A.1.a. I
- b. DAW was packaged in 20' sealand containers and shipped to Scientific
,' Ecology Group (SEG) of Oak Ridge, TN for volume reduction. SEG shipped ' l reduced waste to Barnwell, SC. Reduced volume was used in providing information given in A.1.b.
- c. No irradiated components were shipped.
- d. No waste in this category.
Number of Shioments Mode of Transoortation Destination l 1 34 Truck Barnwell, SC l l B. Irradiated Fuel Shioments (Disposition) l i 1 Number of Shioments Mode of Transoortation Destination None N/A N/A l C. Annual Sewaoe Sludoe Summary Total Average Co-60 Average Mn-54 i Number of Shioments Gallons Activity (oCi /1) Activity (oCi /1) l l I See End-of-Year Report for Annual Sewage Disposal Summary l 1 I 1 l l l 1 l j TBL3 1 i )
- 19 i I
. . . - . - . . _ _ . . _ . _ ~ . , _ _ _ _
b L TABLE 4A [ i METEOROLOGICAL DATA - JANUARY-MARCH 1993 , E X T R E E L Y LN3743LE STAEILITY CL ASS A
$5;I20 0F FEC040: 1/ 1/93, OCC-- 4/ 1/93, CDC
~
.' I f. ; 3 FEED (4/S) AT 10-F LEVEL 1E AV3 C-2 3-f t-E 5-11 12-1* 15-17 AND UP T OT A L S PE EC i
- t. 1.2 .4 .0 .0 .C .C .G 1.6 .0 N* E 1.9 .? .0 .0 .C .4 .C 3.1 .1 !
4E .4 .C .0 .0 .C .C .0 4 .C , i Et E 1.1 .C .0 .0 .C .C .C 1.2 .0
- E .S .C .0 .0 .C .C .0 .3 .0 I ESE .8 .4 .0 .0 .C .C .C 1.2 .0 P 3E .0 .C .4 .0 .C .C .G .4 .C !
W E SSE 1.c 2.3 .0 .0 .C .C .C 3.9 .1 i I C 5 .E 4 .0 .0 .C .C .0 1.2 .C l NT 55. 2.7 2.3 .4 .0 .C .C .C 5.4 .2 [ D I sh 7.0 5.4 .4 .0 .C .C .C 12.8 .4 . C WSh 12.E .C .0 .0 .C .C .C 12.S .3 ! N 6 11.3 .8 .0 .0 .C .C .C 12.1 .2 ; Whh 11.3 3.9 .0 .0 .C .C .C 15.2 .4 Nh 12.4 c.6 .0 .0 .C .C .C 1G.1 .5 ! Nhk 3.9 5.C .J .0 .C .C .C i.9 .: CALM .C .0 ' T01AL 73.C 25.4 1.2 .C .C .4 .C 1CO.C .2 C. HCURS CF SD CR .MI S S I h 6 DAl? CF .C FE3 CENT FOR 257 HOLRS 4 f I b 1 1 (
- 20
i f f
- i TABLE 4A (Continued)
LETEOROLOGICAL DATA - JANUARY-MARCH 1993 ; I FCCEUliLY UNS T A-?L E STAEILITY CL ASS B , PEFICE OF FECCRD: 1/ 1/03, OCC-- 4/ 1/93, CJC , WIhc SFEED (%/S) AT 10-N LEtEL 15 AVG C-2 3-5 d-E 5-11 12-14 15-17 2NC UP T OT A L SSEEC l N 1.2 2.5 .C .0 .C .C .0 3.7 .1 fih E 6.2 2.5 .0 .0 1.2 .C .C 4.9 .4 , NE 2.5 1.2 .0 .3 .C .C .C 3.7 .1 EhE .0 .C .0 .3 .C .C .C .0 .0 0 E 1.2 .C .0 .0 .C .C .C 1.2 .C - I ESE 2.5 1.2 .C .0 .C .C .C 3.7 .1 R SE 2.5 3.7 1.2 .0 .C .C .C 7.4 .3 wI $!E 1.2 3.7 .C .0 .C .C .C 4.0 .2 I C S 2.5 .C .0 .0 .C .C .C 2.5 .C N T 556 2.5 1.2 .O .0 .C .C .C 3.7 .1 D I sk 7.4 1.2 .0 .0 .C .C .C E.o .2 C h5K 12.3 .C .J .3 .C .C .0 12.3 .2 i A w 4.9 .C .0 .0 .C .C .C 4.9 .1 Whk 6.2 1.2 .0 .0 .C .C .C 7.4 .1 Nk 9.9 5.6 .0 .3 .C .C .0 1E.5 .5 ! Nhh 3.7 3.7 .3 .0 .C .C .G 7.4 .2 . CALM .0 .0 TCTAL t6.7 3C.7 1.2 .C 1.2 .C .0 100.0 .2 D. ti C U R 5 CF EAD CR MI55;ht DATA C; . 0 F E R C E !J T FOR 31 h0URS 1 i I h i
~ ~- 21'
l 1 TABLE 4A (Continued) i l METEOROLOGICAL DATA - JANUARY-MARCH 1993 ! i i I 1 1 h 3 SLI3. wily USSTAELE STAEILITY CLASE C PEFIO; 0F FECCFD: 1/ 1/G?r CCC-- 4/ 1/93r C0J W*ht SrEED (M/3) 4T 10-F LEtEL > 1E AV3 C-2 3-5 :-i 5-11 12-14 15-17 AND UP T OT A L SFEit N 4.: .C .] .] .C .C .0 9.5 .2 , NNE 1.. .C .] .3 .C .C .C 1.4 . . NE 4.1 1.4 .0 .3 .C .C .0 5.5 .1
- h e- o.:
1.4 .v e
.0 .es .ec .C a
. c, .-c DE 1.4 2.7 .0 .0 .C .C .C 4.1 .1
.C .C I ESE .G .0 .C .0 .C .C .0 R SE 1.4 .C .0 .3 .C .C .C 1.4 .C 4 5 SSE 5.5 .C .0 .3 .C .C .C 5.5 .1 I C 5 2.7 1.6 .0 .] .C .C .C 4.1 .1 ,
N T SSk 6.E .C .3 .J .C .C .C 6.8 .1 ' D I sk 2.7 .C .0 .0 .C .C .C 2.7 .1 C Wik 4.1 .C .5 .] .C .C .C 4.1 .C l NW 3.2 .C .; .0 .C .C .C s.2 .1 ; Whk d.2 .0 .0 .0 .C .C .O E.2 .1 NW 3.2 5.5 .D .0 .C .C .0 12.7 .4 Nhw 10.7 5.5 .J .0 .C .C .C 16.4 .4 l CAL? .C .3 i
....______....___..______ ._ __...__ ..___.. . ___.___. _________..__. I TCTAL 22.1 17.3 .C .C .C .0 .C 1CO.0 .2 ;
i
- 0. HCLAS CF DAD Ch ?.I S S IN C DATA C3 . C F E R C E i1 T FOR ?? H3LR5 i
h t
?
i i
- 22
i
}
?
I
. TABLE 4A (Continued)
METEOROLOGICAL DATA - JANUARY-MARCH 1993 l t i i N I L T 3. A L STAEILITY CLASS D ; PEFIOC OF FECOPD: 1/ 1/33, 00C-- 4/ 1/?!, COC
)
WIht 5FiED (d/:) AT 10-* LEtEL ; 15 AV3 . C-Z 2-5 e-E 9-11 12-1* 15-17 ANC UP TOTAL SPEEC l N 14.9 1.4 .0 .0 .C .C .C 16.3 .3 2 A. N r-e.4 .;- ..
.0 .C .t- .C b.-y .c NE 5.1 .C .0 .0 .C .C .C 5.1 .1 i Eh! ..c .1 .0 .0 .C .C .C 4.7 .1 CE 1.7 .3 .0 .0 .C .C .0 2.1 .C i I ESE 2.4 .2 .0 .0 .C .C .C 3.2 .1 :
R SE Z.3 .c .3 .0 .C .C .C 3.2 .1
- W 2 SSE 1.4 3.2 .3 .3 .C .C .0 5.1 .2 I C 5 1.1 .; .O .0 .C .C .C 2.1 .C N T 55L 4.4 .I .C .0 .C .C .C 5.2 .1 D I 36 4.a . .0 .0 .C .C .C 5.4 .1 l 0 DEW 2.5 .; .] .3 .C .C .0 2.5 .C ;
NW .7 .0 .0 .] .C .C .C 2.7 .C kNh 2.2 .1 .0 .3 .C .C .C 2.4 .0 NW 7.1 1.7 .1 .3 .C .C .C 9.0 .2 NNk 1 o. ! 3.2 .0 .3 .C . .C 19.6 .5 CALM Z.5 2.5 ' TOTAL E4.6 14.9 .5 .C .C .0 .C 100.0 .1 , t t O. HCLAS CF iA) CR XI 5 3Ih E DATA OF .0 FERCENT FOR 631 600R5 I k i j l I f i l 1 1 l 1 l f 1 l
- 23 i 1
l j
i l l 1
. TABLE 4A (Continued)
METEOROLOGICAL DATA - JANUARY-MARCH 1993 l 1 a 1 1 SL: 2HTLY STAtLE ST:?ILITY CLASS E PEFIO: OF SECORD: 1/ 1/C3r CCC-- 4/ 1/93r C3C . I WISC SPEED ( *< / 2 ) AT 13- r LitEL i 1E AV 3 C-2 .5 - 5 --I 5-11 12-14 15-17 ANO UP T OT A L SPEEC N 1a.7 .7 .0 .3 .C .C .0 11.7 .2 i NNE 7.e .C .; .3 .C .C .C 7.4 .1 l NE d.c .
.0 .0 .C .C .C 'E . 6 .1 i EhE :.1 .0 .0 .0 .C .~ .C 6.1 .1 ':
DE 4.0 .C .0 .0 .C .C .C 4.] .1 ! e , , . e, i I . . e.
.x . . .u
.,, .3 .C .C . c. ... w ,
a 3E 2.4 .1 .0 .0 .C .C .C 2.6 .C l w E SSE 3.1 1.3 .] .0 .C .C .C 4.7 .1 i I C 0 3.2 1.2 .0 .0 .C .C .G 4.4 .1 N T 556 1.3 1.5 .] .3 .C .C .C 4.3 .1 D I Sh 4.c .2 .O .0 .C .C .C 4.7 .1 - C W5h 2.3 .C .0 .0 .C .C .C 2.3 .0 , N 6 3.5 .C .0 .0 .C .C .C 3.5 .C khk 2.9 .1 .0 .0 .C .C .C 3.1 .0 NL 7.5 .1 .0 .D .C .C .C 7.7 .1 Nhk 11.2 1.2 .1 .0 .C .C .C 12.o .2 C A L .V 3.c s.c 7 TOTAL 92.3 7.3 .1 .C .C .C .0 100.0 .1
- 0. HCLA; CF 3AD CR ?ISSIN: D AT A Ch . 0 F E ; C E'l ? FOR 651 b0URS l
i
+ ..
I I I e f 1
- 24 ;
l l l l 1 TABLE 4A (Continued) ML"TEOROLOGICAL DATA - JANUARY-MARCH 1993 1 i 1 i l i l XC;EdATELY 3TsELE STAEILITY CLASS F pef!GC 3F FECCK3: 1/ 1/93, CCC-- 4/ 1/93r COC l
. Ih; SFEE0 (M/;) AT 10-* LEVEL i 15 AV3 -
C-2 3-5 6-5 ~-11 12-14 15-17 ANC UP TOTAL 3 PEE 0 . 1 3.1 .2 .; .0 .C .C .0 5.1 .C ; NNE 3.5 .4 .0' .0 .C .C .0 2.7 .1
.1 NE 7.5 .3 .3 .0 .C .C .C 7.3 EhE i.: . .5 .0 .C .C .C 5.6 .1 ;
C i 7.C 4 .O .0 .C .C .0 7.4 .1 ; I ESE 3.5 .4 .] .0 .C .C .C 3.9 .C R SE 5.7 .C .3 .0 .C .C .C 5.9 .1 W E SSE 1.6 .4 .; .] .C .C ..C 2.3 .0 ! I C 3 1.2 .C .0 .0 .C .C .C 1.2 .C uT u.me , ,
.., .- .n. .0 .eu .eu .u
~ . .
c.~ .~u D I Sk 2.7 .: .0 .0 .C .C .C 2.7 .C 0 45W 1.2 .C .3 .0 .C .C .0 1.2 .0 l N 6 2.* .: .C .0 .C .C .C 2.4 .C i Whk .4 .C .0 .0 .C .C .0 4 .C Nb 4.7 1.2 .] .0 .C .C .C 5.9 .1 ; NAv 4.7 4 .0 .3 .C .C .C 5.1 .1 CALM 34.1 34.1 TOTAL 96.5 3.1 .: .C .: .: .0 100.C .1 ! O. HCLAS OF sA; Cr FISE!hC DATA CF .C FEPCENT FC1 255 F3URS l 1 i l l 1 25 l 1
i i I I J i 7_ABLE 4 A (Continued) ! METEOROLOGICAL DATA - JANUARY-MARCH 1993 4 1 I I l 1 1 i EXT R:FELY STA LE STACILITY CLASS 3 1 4/ 1/??, C0c PERIOC OF FECORD: 1/ 1/ 03 r OCC-- 1 1 f j
*Ihc 37tED 01/3) AT 10-
- L E t :' 1E AV 3 ,
15-17 AND UP TOTAL $ FEED l C-2 3-3 :: i-11 12-14 - ,
.C
.6 . e; ..*
;.v . .- .s .v .c N .C .0 1.6 .0
.C .2 .3 .C Nh E 1.c
.C .C .C 3.* .1 !
,.i .C .C .0 NE
.C .C .0 24.9 .2 l EhE I4.9 .C .0 .0 9.4 .1 :
.C .0 .0 .C .C .0 cd 9.4
.C .C .0 3.? .C -
3.9 .". .0 .0 1 EEE .C .C .C 1.6 .0 l 1.: .C .0 .0 R SE .C .C .C 1.1 .0 ; W E 53E 1.1 .C .0 .0 1.1 .C l
.C .0 .C .C .0 IC S 1.1 .0
.C .C .0 .C
.C .C .C .0 .C NT Es
.C .C .C 1.6 .C
.c .C .0 .0 D I 3h
.0 .C .C .G .0 .0 i 0 wh. .C .C .0
.0 .C
.C .0 .0 .C .C .C !
h W .C .0 .C i
.C .0 .0 .C .C .0 Whk .C .5 .C i
.C .0 .0 .C .C .0 u .5 .C .0 .C ;
.C .0 .C .C 4kk .0 .0 41 .4 C A L F. ,1.4 _______..___________________
__________________________________________C .C .O 1C0.0 .1 T OT AL 1CO.C .O .0 .C .
.0 FEFCENT F03 1c1 HO UR S
- 0. nCLR; CF 2A0 CF EISEINC DATA C~
1 i l e l l i l I i l l
- 26
+ .
. TABLE 4A (Continued)
METEOROLOGICAL DATA - JANUARY-MARCH 1993 1 l 1 l i l I l E A T R E.* E LY LNSTA5LE STAEILITY CLASS 4 PERIOC 3F FECDPD: 1/ 1/03, OCC-- 4/ 1/03, 03C sIhc SFEED (M/S) AT SC-F LEkEL 1E AV I C-2 3-5 c: 5-11 12-14 15-17 AND UP TUTAL SPEED l h 1. .C 4 .0 .C .C .C 1.9 .1
,v h E .5 1.- .3 .0 .C .C .0 1.7 .1 NE .4 .
.0 .0 .C .C .0 1.2 .C- )
ENE .4 4 .] .0 .C .C .C .3 .0 E .4 .E .] .0 .C .C .C 1.2 .C i I EEE .C 2.2 .s .0 .C .C .0 2.7 .1
; 3E .C 4 .4 .4 .C .C .0- 1.2 .1
% E 35E .4 1.c .G .0 .C .C .C 1.7 .1 IC .2 .c
.s
.c
. c, .C .C . e_ 1.6 .n N T S5k 4 3.1 ., . .C .C .C 4.7 .2 D I sk 3.1 6.2 4 .0 .C .C .0 9.7 .4 C W5h c.2 7.C 2.3 .0 .C .C .0 15.6 .c '
N k 9.7 3.7 .3 .0 .C .C .0 13.6 .4 kNk 4.7 1.2 2.3 .4 .C .C .0 5.6 .4 Na 6.6 17.5 .0 .0 .C .C .0 24.1 .9 Nhh 1.2 c.; .0 .0 .C .C .C 9.3 4 - CALA .C .0 TCTAL 25.c 5!.2 c.o 1.6 . .0 .0 100.0 .2 ;
- 0. HtUA5 CF 510 C: AIS;IAC DATA CF .0 PESCENT Foo 257 HOLP3 f 9
me J i 4 i [ f
- 27 l
TABLE 4A (Continued) METEOROLOGICAL DATA - JANUARY-MARCH 1993 i I MC C E R AT ELY UN5TAsti STAEILITY CL ASS S PERIOC CF FECORD: 1/ 1/03, OCC-- 4/ 1/93, 000 4IhD SPEE) (M/S) AT 50-m LEVEL i 12 AVG ' C-2 3-5 6-5 5-11 12-14 15-17 AND UP TOTAL SPEED N .C 2.5 1.2 .0 .C .C .0 3.7 .2 NAE 4.9 4.7 .) .C .C .C .0 9.9 .3 NE 2.5 1.2 .0 .0 .C .C .C 3.7 .1 EhE .C .0 .0 .0 .C .C .0 .0 .C DE .C 2.5 .] .0 .C .C .C 2.5 .1 : I E!E .C .7 2.5 .0 .C .C .G 7.4 4
; SE 1.2 1.2 4.7 1.2 .C .C .0 E.6 .5' W 3 SSE .C 1.2 .C .0 .C .C .C 1.2 .1 .
I C 3 .C 1.2 .0 .0 .C .C .0 1.2 .1 l ~ 4 T S$k 1.2 1.2 .0 .0 .C .C .C 2.5 .1 p I Sk 3.c 1.2 1.2 .0 .C .C .0 11.1 .3 - C Wik 2.5 4.0 .0 .0 .C .C .C 7.4 .3 N w :.2 1.2 .0 .0 .C .C .0 7.4 .1 whh e.2 .C 1.2 .0 .C .C .C 7.4 .2 i Nw 4.7 C.5 .C 1.2 .C .C .0 14.3 .7 - Nhw 4.9 c.2. .G .0 .C .C .0 11.1 .4
- CALv .C .0 -
I TOTAL 43.2 42.2 11.1 2.5 .C .0 .0 100.0 .3 l
- 0. n:.UPS CF DAD C: 4I53:N0 )ATA OR .0 FERCE'NT F04 61 h30? 3 l t
h f f i [ i I
- 28 1.
I I - l l
- TABLE 4A (Continued)
METEOROLOGICAL DATA - JANUARY-MARCH 1993 l l l 1 i i SLIGHILY UhSTAELI STEEILITY CLASS C FERIOC CF FECCFD: 1/ 1/03, OCC-- 4/ 1/93, C00 WIht EF5ED (9/3) AT 50-F LEVEL i 12 AV3 l C-2 3-5 e-2 5-11 12-14 15-17 ANC UP TOTAL SPEE ; N .: 5.5 .0 .0 .C .C .C 12.3 .2 . Nh2 1.4 2.7 .3 .0 .C .C .C 4.1 .1 ! NE 1.4 .C .0 .0 .C .C .C 1.4 .0 l IAE 1.4 4.1 .0 .0 .C .C .C 5.5 .2 OE 2.7 9.t .0 .0 .C .C .D 12.3 .4 I EEE .0 2.7 1.4 .0 .C .C .C 4.1 .2 1.4 1.4 .] .0 .C .C .G 2.7 .1 - l s SE
.C .0 .0 .3 .C .C .C .0 .C i W 5 35E I C S 1.4 1.4 1.4 .0 .C .C .C 4.1 .1 N T S5k *.1 .C .C .0 .C .C .C 4.1 .1 D I Sk 1.4 1.4 .0 .3 .C .C .C 2.7 .1 l 0 .5. 4.1 4.1 .] .3 .C .C .0 " .2 .? l NW I.7 1.4 .0 .3 .C .C .0 4.1 .1 WhW 5.3 .C .O .0 .C .C .C 5.5 .1 '
NL 6.3 3.5 .0 .0 .C .C .0 12.3 .5 Nh. 6.5 7.: .0 .0 .C .C .0 16.4 .5 CALP .C .0 l TOTAL 47.5 e5.3 7.7 .C .C .0 .0 100.0 .2
- 3. HCU?? Cf :; A ) C9 FI5;INE DATA C: .C CE?CINT FO: 73 h00R 3 ,
h en 1 l i 1 1 l i i 1 l
- 29 l l
I t t
. TABLE 4A (Continued) l NETEOROLOGIC'.L DATA - JANUARY-MARCH 1993 !
h e I i f h AELT3AL STAE!LITY CLASS D l OCC-- ' a/ 1/7 3, COC 3ERIOC OF fiCCSD: 1/ 1/73, a LIht :,F E : D ( r./ 5 ) AT 50-?, LIVEL i 12 AVG l C-2 2-5 t-E 5-11 12-14 15-17 AND UP TOTAL SPEEC f4 9.3 3.5 .5 .3 .C .C .C 1E.4 .6 : NNE 6.2 3.6 .0 .0 .C .C .0 9.8 .3 t NE 2.3 E.7 .0 .0 .C .C .C 5.5 .1 ' EhE 3.2 1.7 .0 .0 .C .C .C 5.1 .1 D E 1.9 5.5 .1 .0 .C .C .0 7.6 .3
- ESE 1.7 3.6 2.4 .0 .C .C .C 7.5 4 l
R SE .3 .9 .0 .0 .C .C .C 1.7 .C i W E ssE .3 2.4 1.3 .3 .C .C .C 4.3 .2 , I C S .6 .5 .1 .0 .C .C .0 1.6 .0 ! 1 T 3EL 1.4 2.1 .5 .1 .C .C .C 4.1 .1 t D I Sk 2.4 0 .1 .0 .C .C .0 3.5 .1 : 0 '.+ 5 . 2.1 1.6 .0 .0 .C .C .C 3.6 .1 ! N 6 .o 1.7 .! .0 .C .C .0 2.7 .1 * . W h '. 1.4 .E .1 .0 .C .C .C 2.4 .1 , Nh 3.0 2.2 1.1 .5 .C .C .0 6.3 .3 - Nhw 4.7 3.7 .9 .0 .C .C .0 14.4 .5 l CALv .6 .5 !
... ...................._......__. _______.__......__..._..___..... .. +
TClat 43.2 4E.2 7.6 .5 .; .C .C 100.C .2 i t O. HuuM5 CF EAD C; 9: SSING D A T A 0- .0 FE3 CENT FC? o31 HOURS : i b ed
~ r I
b t i
-30 i
1
.. . i
+ . TABLE 4A (Continued) METEOROLOGICAL DATA - JANUARY-MARCH 1993 t 1 SLIGHTLY STABLE ST851LITY CLASS E ! PEFICO OF FECORD: 1/ 1/03, OCC-- 4/ 1/93, COC KIht SFEic (.1/S) AT 50-F LEtEL 1E AVG , C-2 ,-f 6-t 5-11 12-14 15-17 AND UP TOTAL SPEEC- ' N o.3 4.E .3 .0 .C .C .C 11.3 .4 nE 4.3 3.4 .G' .0 .C .C .C 7.7 .2 NE 5.1 1.7 .0 .D .C .C .C 6.7 .2 ihE 4.3 E.7 .1 .0 .C .C .C 7.4 .2 , OE 2.0 7.5 .3 .C .C .C .0 1C.1 .4 : I ESE .7 5.4 .5 .0 .C .C .0 6.7 .3 i R SE .3 .i .0 .0 .C .C .C 1.2 .C ; 4 E 35E .5 1.5 1.5 .0 .C .C .C 3.5 .2 I C S 1.5 J.5 .0 .0 .C .C .C 5.4 .2 N T SEh 1.2 3.1 .6 .0 .C .C .C 4.1 .2 ' D I 56 2.4 1.1 .1 .0 .C .C .C 3.7 .1 C wEw 2.0 0. 3 .3 .0 .C .C .C 4.6 .1 ! NW 2.4 i.3 .1 .0 .C .C .G 6.1 .2 . h!. W 1.4 1.7 .1 .0 .C .C .0 2.2 .1 Nk 3.7 1.2 .3 .0 .C .C .C 5.2 .1 NAh c.? 4. .1 .1 .C .C .0 1C.9 .3 r C A L 'd .6 .6 _____________._______ ....._______._______.______..___________________ i TCT A L 45.c 47.1 5.1 .1 .C .C .0 100.C .2 t O. HCURS ;F EAD ;3 MISSING DATA CR .0 FERCENT FOR 651 h00R3 ; i
~~
l l 1
-31 .l I
)
1
~ e
. TABLE 4A (Continued)
METEOROLOGICAL DATA - JANUARY-MARCH 2993
'COERATELY STAELE ST4EILITY CLASS F Pic!00 of F ECO R D: 1/ 1/93, OCC-- 4/ 1/03, C00'
.'
- N C SFEED ( 1/S ) AT 50-v libel +
15 AV 3 , C-2 3-3 :-E 5-11 12-14 15-17 FND UP TCTAL S PE E 0 N 4.7 2.C .0 .0 .C .C .C o.7 .2 i Nh5 2.C A.1 .O .0 .C .C .C 5.1 .2 NE 5.1 .4 .0 .0 .C .C .C 5.5 .1 EhE 3.5 .3 .0 .0 .C .C .C 4.3 .1 : 0 E 5.5 5.- .5 .0 .C .C .0 12.1 4 , I ESE 3.5 S.2 3.7 .0 .C .C .0 15.7 .7 i R SE 2.7 2.0 .0 .3 .C .C .C 4.7 .1
- W E SCE .S 1.6 .0 .0 .C .C .C 2.4 .1 ,
2 .r -2 c . v, , ,
.; . o3 .3 .t .L .C 6.2 . .c -
N T ;5h 2.7 2.4 .O .0 .C .C .C 5.1 .1 e 3 I 3 '. 3.9 5.~ .0 .0 .C .C .C 9.4 .3 O 4 5 '. 4.3 2.7 .0 .3 .C .C .0 7.0 .2 N w 1.2 .3 .0 .0 .C .C .C 2.0 .C i k h 'a 3.1 .C .0 .0 .C .C .0 3.1 .0 l; NW Z.7 2.4 .0 .0 .C ,C .C 5.1 .2
.N h h 1.6 2.4 .3 .3 .C .C .C 3.9 .1 i CALP 1.6 1.0 1
. . . . . . . . - - . . . . - - . . . - - - . - - . - - - - - - - - . - - - - - - - - - - - - - - - - - - - . . . . . - - - - - . - - - - j total 51.C 44.3 4.7 .C .C .C .0 100.0 .2 i
i i
.C FE2 CENT FOR 255 HOURS
- 0. hCuta CF EAD CF MIESINC 3ATA CA -
i e+ h
?
[ e i f
-32 e w edw
i
+
i f TABLE 4A (Continued). METEOROLOGICAL DATA - JANUARY-MARCH 1993 EXTREFELY ETAULE S T .8 E IL I T Y CL ASS G PE'IO; OF FECOR3: 1/ 1/03r GCC-- 4/ 1/93, CDC , W Ifd IFiED Ua / S ) AT 50-? LEVEL ' 15 AVG C-2 3-5 6-5 5-11 12-1e 15-17 AND U? T OT A L SPEEC-N 2.5 .5 .0 .0 .C .C .C 3.3 .1 NAs 1.1 .5 .0 .0 .C .C .0 1.6 .0 NE 4.4 .3 .0 .0 .C .C .0 5.0 .1 Efi E 5.C 1.1 .0 .0 .C .C .C 6.1 .1 0 E 3.5 5.5 .0 .J .C .C .0 14.4 .4 I ESE 3.3 5.5 1.5 .0 .C .C .C 15.5 .5 3 3E 5.5 1.1 .0 .0 .C .C .C 6.5 .1 W E SSE 10.5 Z.3 .0 .0 .C .C .G 12.7 .3 I C S 12.7 2.5 .0 .0 .C .C .C 15.5 .3 ; N T SSW c.1 .O .3 .O .C .C .C 6.1 .1 3 I Sk 2.2 2.C .0 .0 .C .C .C 4.4 .1 0 *S= .5 .5 .0 .0 .C .C .0 1.1 .0 i NW 1.1 .C .0 .0 .C .C .0 1.1 .C , Whk 1.6 .C .0 .0 .C .C .0 1.o .0 t Nk 3.3 .0 .0 .0 .C .C .0 3.3 .1 h h '. .0 .C .3 .0 .C .C .C .0 .C i CFLM 1.6 1.6 , TCTAL 75.7 22.o 1.6 .C .C .C .0 100.0 .2 2
- 0. HCURS CF SAD CF MIE31hC DATA CA .0 FERCENT FOR 121 HO UR S j i
l 1 I l
't j
-33 l
I i TABLE 4A (Continued) ! METEOROLOGICAL DATA - JANUARY-MARCH 1993 i TCT4L F'E;LENCY DISTRUEUTICN PERIOC OF FECCFD: 1/ 1/93, CCD -- 4/ 1/9?r CO3 . 6
'. : A ; 5?Ei3 (M/4) AT 1 0 .* LEtEL 12 AVG a C-2 3-5 :-E 5-11 12-1, 15-17 #ND UP T OT A L SPEED
- a i.1 .! .J .) .C .C .0 1C.0 .2 N f. E 5.c 4 .G .0 .C .: .C e.3 .1 NE c.1 .1 .0 .0 .C .C .0 6.2 .1 e Ehi 5.3 .1 .0 .0 .C .C .C 6.6 .1 ;
.C
~
D E 3.c .I .0 .0 .C .C .C 3.8 I ESE 2.6 4 .0 .0 .C .C .0 3.0 .C a 5E 2.5 4 .1 .O .C .C .C 2.9 .1 i E SSE 2.1 2 . ~. .1 .0 .C .C .C 4.2 .1 l I C S 1.6 .5 .0 .0 .C. .C .O 2.6 .C N T _c a.. a.1 1.6
.v
.o
.c .C .C 4.,u .1 :
3 I 36 ~.* 1.1 .0 .0 .C .C .C 5.5 .1 ! C .S. 3.3 .2 .0 .0 .C .C .0 ?.3 .1 j N h 4.0 .1 .0 .0 .C .C .C 4.1 .1 i WN. 2.5 .: .0 .0 .C .C .C 4.1 .1 -! Nk 7.2 2.C .0 .0 .C .C .C 9.2 .2 l NNk 9.7 2.3 .] .0 .C .C .C 12.2 .3 CALP 7.) 11.0 : TOTAL 67.2 12.3 4 .C .C .C .3 100.0 .1
?
i 31 . HCUR3 CF .EA) CR MI S SI:v E DATA 0F 1.4 FERCENT FCR 216C HO UR S 1
.i I
i
-.' l l
1 1 l 4
- 34 I i
. TABLE 4A (pontinued)
METEOROLOGICAL DATA - JANUARY-MARCH 1993 , t TCTAL F3.ICL2':CY DIETRLEUTICN ; FERIOC OF P EC O R D: 1/ 1/93, CCO -- 4/ 1/93, COO ; k D.; SFEED ( 1/ 5.) AT 50-F L Et EL 12 AV3 C-2 3-5 6-5 5-11 12-14 15-17 ANC'UP TOTAL S P E E :: N 5.9 4.2 . .0 .C .C .0 1C.9 .3 N E :- 2.: z., .; .3 .C .t- .rs 6.e .c Ni 3.6 1.0 .0 .0 .C .C .C 5.1 .1 ; ih i 3.2 1.5 .C .0 .C .C .C 5.1 .1 0 E 2.7 5.7 .2 .0 .C .C .0 2.7 .3 I ESE 1.7 4.7 1.o .0 .C .C .C 6.3 . 4. R SE 1.2 1.L .2 .1 .C .C .0 2.6 .1 W E SEE 1.3 1.3 .6 .1 .C .C .C 4.0 .2 I C 3 e.2 2.' .1 .0 .C .C .C 4.5 .1 N T 55* 1.9 2.2 .4 .1 .C .C .C 4.6 .2 D I r. 2.9 2.2 .2 .0 .C .C .C 5.3 .2 < 0 DEW i.5 2.7 .4 .3 .C .C .0 5.9 .2 NW Z.7 2.' .1 .3 .C .C .C 5.1 .1 kha 2.3 .9 .4 .0 .C .
.C .0 3.7
.1
,,h a 2.: 2.. ., .c .L .C .0 c. .3
, N r. h 4.1 5.7 .2 .0 .C .C .C 10.2 .3 CALM 4.1 .7 TCT AL 47.C 4c.5 5.5 .6 .C .C .0 100.0 .2 , i 31 . HCust CF EA3 CA VISS:NC DATA CF 1.4 FEDCihT FOR 216 C h0 CR 5 i
~.
e
-35
\
4 e i i TABLE 4A (Continued) l METEOROLOGICAL DATA PERIOD OF RECORD: 1/1/93 , 000 -- 4/1/93 , 000 ; 1 i 1
)'
I FERCEhT EAD DATA REFC;l l hEPO?1 CCVERS 21cCHCL95 i HCU4S FE9CthT ; 5C:i DIRECT!Oh 31. 1.44 7 5 C .1 LIND SPEED 31. 1.44 I 1CM CIREC1:0h 31. 1.44 l 109 WIND SPEED 31. 1.44 .l TiMPERATUFE 31. 1.44 -{ DEW FCINT 32. 1.45 ; DELTA T 31. 1.44 i
?dECIFITATIch 31. 1.4' ,
i f I t 6
~!
I 9 I s h s
-36
( k 9 ; 8 4 1YSI'8 tE i W212OHOGODIDYS GY1Y - YduII'-flIN2 I66E i X1 HEW 3 A O P 1 Y E10 EleT: I1A 37v35 t ' c78ICG C3 EI: cec: * / L / eE' CCC-- 2/ L/ef' OCC
.?!NC FeilC )b/E( tl LC_;.' lIAE- '
LB V/E l 0-? S -E 9-3 +-LL L:-L$ LS-L2 Vhc 0c 1C1Y7 5cIIC ! t '*E 'C *C *C *0 *C *C ?'5 'C NN3 L*6 *C *C *C *0 *0 *0 L't *C NI 2*5 'C *C *C *C 'O *C 2*5 *0 l L*f *C ; 3NE L*e 'C *C 'C *C *O 'C C 2 '9 '0 'C 'C 'O *0 'O *9 *0 ! I 552 L*f *; *C *C *C *C 'C L*G 'O a SI 2*2 *: 'C *C *0 'O *C I"7 *0 F E !si t*7 5*L *G *C 'O *0 'C 6*5 'E l
!. 3 S E"? 2'I *C *C *C *0 'O 3*2 *2 i i
N 1 5SS L7*2 *e *C 'C 'O *C *C ts*2 *I
*0 *7 ,
C I SM L c*i L*6 *C *C *0 'O L3*i 3*( ; C PCM c'? *C *C *C *G *G *0 'L M r 5'1 *6 *C *C *0 *0 *0 9'S *L PA M G*9 *0 'C *C *C 'O *C 9*9 'L l,
,t s c*2 c* *r *C *G 'O *C LL*t *E ANM L*C *C *C *C 'O *G *0 L9 *G -
3V7W *C C lCIV7 PE'5 LS*1 'c *0 *C *C -C
- LCC*C *L.
O' W00hO G3 ?1G CB WISSIND Cvit 04 'C o3c32 ti dCt
' EL? HC04S i
i a I l i I i 1 l l I
~iL
e 6 9 1Y873 98 )acupunep( XE13OH070 DIDY 7 GY1Y - YduI7-fan 2 166E 4
.c03Fv131A rN.51t 73 slysI I1A 31yss s 4 d3YICc CJ U3 cec: t/ L/eie CC0-- 2/ L/dE' CCC PINC sd33G )a/3( 41 L C-!k 1' 3 A 3 -
LS Y/S 0-2 T-E 7-T 6-LL L2-L? L5-L2 vhC 04 1C117 5cIIG l F 9*f "0 'C *C *C *C *0 9*E 'L
- tir 3 2*L 'C *C *C *0 *C *0 2*L *C NI 'C 1*L *C *C '0 'e 'C L*L *C E*L *C *C *C *0 'C *C E"! *0 3N3 G F L*L *G *f *C *0 'O *C L*L '0 '
I ?S3 5*E L*L *C *C 'O *O *0 9*E *L b S- *2 L*L 'C "C *0 'O *C s'5 'L. ! j 5*E 1*C *C *C *O 'C '0 6*5 *E P 3 E33 I 3 7 ?'v /*v *C *C *0 'C 'O ts*5 *7 L5*9 "C *C *C *C *G *0 15*E *E N I ES"
?*! *C *C *C *0 'O *0 9*t *L C I 55 0 F0" 2*t *; *C "C *0 'O *C 2*1 *L N P 9*E 'C *C *C 'O *O *C 9'i 'L i rNM f*t t*L *C *C 'O *C *C 1*2 *L :
hm' 1*2 L*L 'C *C *0 'O *G 5I 'l ' h.r m 2L *C *C *C *0 'O *0 2*L *0 2Ylk *C *C i ___.q__.....___.___._______._______..__.___________ .__________.._____ 1 C1 v 7 PI*L t c* ; *C *C *C *C *C LOC *C *L f
"' b00h3 03 HC CW kISSIN9 Ctit 04 'C d3h33NI 302 6 $ HC 015
-l 1
i a 4 i i 4 i I i I l l l
-ES i
i
I I e r
. , i s
4YgI'g ta )acupunep( l N2130E070DI3YS GY1Y - YdHIq-faNE 166E i 57!SH171 0:t 51 t E ~ 3 51t0I~I1J 37WSS 3 e?E:CC C3 EI CEC
- 4/ L/dE' COC-- 2/;L/tE' CCC 3
? I .r G 5d32C )h/5( tl LC 'L 73A57 4 L2 V/G 0-? ?-E 9- 6-LL L -Lt LS-L2 -YNG 6c 1CJ;7 sdiEQ l h 5*L L*C *C *C *C *0 *C 9*2 *L !
Ah? 5*L *C *C *C *C *C *G 5*L *L h3 I*L *C *C *C *0 *C *C 2*L *C ih2 L*C *C *C *C 'O *C 'C L*C *C O I t*L 'O *C *C *0 '0 'O v*L *L I 5S3 ?*L *C *C *C *0 'O *C 2*L *O P SE I*L f*L *C 'C 'O *0 *C 9'Z *2 r3 553 c*2 2*2 2*L 'C 'O *C *0 L1*i *9 ; I3 S LL*E 7*L *C *C 'O *G *0 L7'i 'E
.P 1 SSF C*? *C *C *C '0 'C *C S*2 *L '
C I 5M E*2 $*L *C *C *C 'O *0 L2'i *E C PSM f*t *C *C *C *G *0 *C C*L *L ; P r 2*L *C *C *C *0 'O '0 2*L *C i MNM 5*L 'O *C *C *C *C *0 ;*L *L hM C*2 *C *C *C *0 'O *0 9'2 *L '
'C 9*L ANM n*L '0 'C *C 'C '0 'L av7k C C' !
JC1v7 id*v LF* 2*L 'C *C *C 'C LCC*C *L I 4 C" H0.rtS 03 cyc 04 kIS! INS CV1t 03 'C d3h3EN1 3Cb 64 HC 015 i s i i t 4 I f I E I
-E6 f
t TABLE 4B (Continued) METEOROLOGICAL DATA - APRIL-JUNE 1993 NEJT4AL STASILITY CLASS D P d 74 ! 03 JF RE*3R): 4/ 1/73, 300-- 7/ 1/?3, 03 0 WIND ; PEED (*/S) AT 13-M LEVE'_ 15 AIG 0-2 5-5 -i ?-11 12-14 15-17 AND U3 T3rAL SPEED V 5.1 .3 .3 .3 .0 .0 .0 5.4 .1 NNZ 4.s .: .3 .] .0 .3 .3 S.1 .1 NE 7.6 .] .] .) .0 .0 .0 7.3 .1 ENE 3.3 .0 .3 .3 .0 .3 .0 3.5 .0 DE 3.3 .2 .3 .] .0 .0 .0 3. 5 .1 I ESE 3.3 .3 .3 .3 .0 .3 .0 3.3 .0 4 3E 6.o 1.5 .3 .3 .0 .0 .0 3.1 .1 : 4 E 55E 7.3 2.7 .] .] .0 .0 .0 13.2 .4 ! I C s ?.3 1.5 .3 .3 .0 .0 .0 10.5 .2 V T S5w t.o .3 .3 .3 .0 .0 .0 6.7 .1
) I sw 5.4 1.5 .3 .3 .0 .0 .3 6.9 .1 0 WSW 3.3 .0 .3 .] .0 .0 .0 3.3 .0 NW 3.0 .3 .3 .3 .0 .0 .0 3.3 .0 WNW 3.3- .] .] .] .0 .3 .0 3.5 .0 NW o.3 .o .3 .3 .0 .0 .0 7.2 .1 NNW 5.7 .0 e] .] .0 .0 .0 5. 7 .1 -i CALM 3.3 3.3 ,
T3TAL 35.2 11.7 .3 .0 .3 .0 .3 .33.3 .1 !
- 3. HGURS OF 2A3 OA MIS 5!NG 3%TA DR .0 PEDCENT F3R 332 H)U IS [
4 I t t p r 6
-40 I
l
y .,-- - - - [ l
, s I
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- v7W e*t e*E lCIV7 6E*E ?*2 *"
*C *G ' C *C LCC*C 'L i
C* F0GbC 03 2VC OJ LISSIND CV14 08 ' C d3h33.F1 3Ce ' 92E HC G t O r i l I ti i
1 1 4 . . , e ; 1 TABLE 4B (Continued) METEOROLOGICAL DATA - APRIL-JUNE 1993 i e MODE-ATELY S T A 3.E STABI.ITY CLASS F PERI]> 3F RE:]R): 4/ 1/03, 200-- 7/ 1 /73, 030 ! 4:Np SSEED (9/5) AT 13-* LEVE. 15 A/G 0-2 3-5 t-2 ?-11 12-1' 15-17 AND U2 T)TAL 3 P !]!D , N 4.I 4 .: .3 .3 .0 .0 4. 5 ' .1 1NE ?.3 4 .3 .3 .0 .0 .0 9.3 .1 4E 12.9 .D .] .3 .0 .3 .? 12.3 .1 i ENE 7.9 4 .2 .3 .0 .0 .0 3.3 .1 i DE :.3 .? .3 .] .0 .0 .0 9.1. .1 ; i I E3E 6.1 .4 .3 .3 .0 .0 .0 6.4 .1 R SE 5.7 .0 .3 .3 .0 .0 .0 5.7 .1 4 E SSE 5.3 .4 .3 .3 .0 .0 .0 5.7 .1 I C S Z.3 .3 .3 .3 .0 .0 .0 2.3 .0 M T 554 .0 .3 .; .3 .0 .0 .3 .3 .3'
) I IW 1.9 .0 .3 .3 .0 .3 .3 1.7 .0 i 1.1 . t. .0 1.5 . ;0 l 0 nSW .3 .3 .0 .0 1 4 1.1 .4 .3 .] .0 .0 .0 1.5 .3 W1W 4 .3 .3 .] .0 .0 .3 .a .0 NW E.6 .0 .3 .3 .0 .0 .3 2.$ .0 NNw 3.3 .0 .3 .3 .0 .0 .3 3.3 .0 CALA 24.2 24.2- -
r3TAL 9$.n 3.4 .: .0 .3 .D .) 133.3 .1 f
- 3. HOURS OF LA) 3R 9:5 SING )ATA 0F .D PERCENT F38 264 H3Ut3 e
5 4
-42
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?!:tG 5cEEC )h/5( 71 L C- W lIAI-L3 V/S ;
0-2 E -5 ?-7 6-1L L2-Lt 15-L2 YNC 0c 1CJV7 SdiIC- )
- ,t t*? *" *C 'C '0 'C LE*e tS*2 L f ?* C
.P N 3 9*L *C *C 'C *0 'O *0 ?*t *C
*0 A2 25*r 'C *C *C '0 'C 25'5 *2 IN3 1r*F 'C *C *C 'O *0 'O lE*i *t i G3 S*L *C *C *C 'O *C *G S*L *C ~
I 253 L*E *C 'C 'C *0 *0 'O L*E *0 j E 53 L** 'C *C *C 'O *0 'O L* *C : r! 053 *f *C *C *C 'O *0 'C *5 'C i I 3 F *? *C *C *C 'O *0 'O *5 'C N 1 SSM *C 'C *C *C *C *0 *0 'C *0 C I E ,r *I 'C *C *C 'O *C 'O *$ *C i C PSM *5 'C 'C 'C *0 'O 'C *i 'C
.t r *C *C *C *C *0 *C *0 'C 'C rhM *6 'C *C *C 'O 'C *G 'd *C '
%. 'e 's 'C 'C 'O *G 'O L*t 'C ;
hsr M *5 *C *C *C *O '0 'C *5 *0 347h 2F*L 22*1 a 10171 ki*2 *5 *T 'C *C *C lE"5 LOC C L5*t i I i C* ucnhO 04 9YC OU WI? SINC CY14 Cb *0 os 3ENI dCh ZL2 HC 015 t tE
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't i,T G !d350 )h/S( Y1 5C-i 13 A3 i LE V/9 0-2 -5 9-2 6-LL L2-Lt i s-L Z YhC ne 1CJV7 5d32G i t t*d *C *C *C *0 'C 'O L*e 'C NN3 'd *I 'C *C *C *G *G L*E *0 '
A2 *6 *c *C C 'O *C 'C L*9 *0 3M *t *6 'C *C '0 'O *G L*d *0 C I L'C '*! *C *C *C 'O *C 1*L *L
- 3S3 i*L ?*' 'C *C *0 *0 'C 4*C *2 b si L'9 2*; 'C *C 'O *C *G ?'l *L F 3 5S: >
*2 i*~ L*C *C *0 'O *C c*f *i I 3 ? ?*F t*L *2 *C *0 *0 'C 2*f E_ !
A1 !SM 5*2 2*5 'C *C 'O *O *C E*2 *2 C I !t? e*? l * :# 'd *C 'O *C *C 19 C *9 C M"M 2*C ?*2 L*C *C *0 'C *C 10*t *E A F 5*L t*d L*C 'C 'C *0 'C 9*5 *i l "N* ?'C *E *C *C 'O *C *0 I*2 *C AM E"? C*2 *C *( 'O *C 'O LL't *i ; NN* L*C *L *C *C 'O *G *0 L*d * 'C 341W 5 *9 ! __.._________'______________________________________________,..a_.;... j ICIV7 5C"? 'L*l 5*2 'C *C *C *C LOC *C *2 , t C* F0CeS C3 ~tC 0F w!c5IND C711 oe ' C ci h3 3 h1 :Ct 5L o HC01S l l i i f I i i
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- F 2*L *C *C *C *C 'O *C Z*L *0
.t .f 3 L*L L*L *C *C *0 'O *C 2*L *0 l A3 'C L*L *C *C *0 'O *0 L*L *C .
ih3 ?*L 2*L *C *C *0 *0 *0 i*2 *L 4 c3 fL ?*L *C *C *0 *C *C G*i *? I 553 5*f !*L *C *C *C *0 *0 9'E *2 h S3 2*L 5'I 2*L *C *C *C *C e*5 *7 r3 503 ?*L t*2 L*L *C *0 *G *0 2*t *E I 3 5 9"? 9*C L*L *C *0 'O *0 LL*S 't , A 1 SSM 5*f F'7 'C *C 'O *C 'O Lf'l '7 C I SM ?*? 5*I 'C *C *G *C- *0 6*5 'i 4 C *SP s*C 2*t L*L *C *0 'C *C e*5 *E ' N F 2*L ?*L 2*L *C *G *G *0 9*f 'E - PNM L*L *C *C *C *O "C *C L*l 'C AM ?*L c*L *C *C 'O *C *C s*i *L NNP ?*L L*L 'C *C *0 *0 C gL *L ' 3t7h ?*L 2*L ___.____.._________. __________.___.___________.________________.a_.a_ JCIV- 71** ?S*? /*7 *C *C *C *C LCC*C *2 ! C* F3GMG 03 'YC Cd FI S F I!'D CY14 04 'C eic33hl scc 65 HC015 i i, i 6 i i t t
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*!NC Cd330 )h/E( ti 50-L i 3A3'l }
L3 VID 1 0-I f-5 9-? 6-LL LZ-ti L5-L2 vhC Gc 1:1Y7 5dI3G , h L*C L*: 'C 'C *C 'O *- 2*L *0 hit 7 E'L ** *C *C *0 *C 'C E*L *L I hI 7*L *3 *C *C *0 *C *G 7*L *L : 3N3 7'L L*C *C *C *0 *0 *C E*L *L C i 2*L L* *C 'C 'O *C *C E*1 *L I ?SI ?*L L*C *C *C 'O *C *G E*L L h SI 5*L 5't E*L *C *0 *0 'C 12* 's f I ESI ?'L 2 E*L L*C *G *0 'O L9*5 *5
! 3 S t*L 5*L 'C *C *O *0 '0 6'i 'E l A 1 SSP E*L ?*L *C *C *C 'O *C S*L *L i C I 5" ?*L t*L E*L *C *0 *0 *C L2*t *i '
C "SP *C !*L *C *C 'O *G 'C E*L *L N P ?*L L*C *C *C *0 'C *O E*L *L PNM 7*L *C *C *C *0 *0 *G v*L *L SM ?*L E'L 'C *C *0 '0 'C 9*2 *2 l NNM L*C ;*L *C *C *0 *C *C C*2 *2 ' 317L 7*L 2*L , 1C1Y7 te'c ;0*2 6' E L*C 'O "C *C LOC *C *E . C* h?rkS 03 TVC C d' d': S 5 ! h C Cvit C d' 'C dib3iNI d Ch 62 HCniS I
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?!*0 0433< )#/5( 41 EC-W 73A3-i LE V / tE '
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*0 'C 2*/ .g A t*2 L*$ *r C 'O L*? 'C *C *G 'O *0 ?*2 *L ENE E*C y; .g A3 t*2 *9 *C 'C *0 *C *0
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*C *0 '0 '0 9*f *2 ;
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- 3 E!? 5*L C*f 2*L 'C *G *0 'O ,
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---------------------------------------------------------------------2 1C111 59*o ge.t 9*e *0 *: *L *C LCC*C
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.* ? L'c *; C *C *0 *C *C 2*t C INE **2 ?*? *2 *C 'O *O *O 9*e *2 '
5*L 'O L0*6 C I 5*E 'C *C *C *C 'i I 353 1*2 9*Z *C *C *G 'O *0 11*5 *7 P !? C*C ;"C *2 *C *C *0 'C LO*E *E f
" 3 5~? 9'C L?*i * *C *G *D *0 16*t *2 i I 3 5 s*L 5*7 '2 *C *C *0 'C LL*L *I 4
A 1 SSM 2*7 *5 *" 'C *0 *G *C 2*4 *t C I SM L*L L*L *' 'C *O 'O *0 2*; *L ".! C PSM l*6 2*L *; 'C *G *0 *C 7*2 *L l A F *5 *: 'C *C *C *0 *0 *5 *C i ME *2 *C *; *0 'O *C *f *C ;
'- AM L*C L*C *C *C *0 'O *C L*e *0 ANM L*c L*L *C *C "0 'O *C 2*c aL
- 317K t*[ L*E 1C1V1 %f*0 t;*9 L*I 'O *G *C *C LCC'O *2
- C* H00tS 03 EVC OM WIS5!NS Ctit Cd *C d5c33h1 3Ct
' 522 HC0hS s
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TABLE 4B (Continued) METEOROLOGICAL DATA - APRIL-JUNE 1993 l
)
1CD i t A T it.Y STAJ;I 3TAEI.ITY CL ASS F ;
#E3IJO 3F Ri:3R): 4/ 1/73r 300-- 7f 1/73, 33> j l
. ! !. 0 SPEED (4/5) AT 53-M LEVEL '
15 A/G l 3-2 3-5 6-i o-11 12-10 15-17 OD d? T3TAL- 5?I:) ; y 3.3 3.2 .. .3 .0 .0 .0 6.3 .2 i NN: 3.3 1.1 .3 .] .0 .0 .D 4.2 .1 j NE 4.? .] .3 .] .0 .0 .3 4.9 .1 EN2 i.a 1.5 .c .] .0 .0 .3 4.5 .1 ; D E 10.6 5.3 ..L .] .0 .0 .0 le.3 .5 l I E5E 13.o 4.5 .5 .s .0 .0 .0 19.7 .6 a SE 3.3 +.2 .5 .3 .0 .0 .0 13.2 4 4 E SSE 5.3 2.3 .3 .3 .0 .0 .'O 7.6 .2. l
'I CS 4.5 .~. .3 .3 .0 .0 .0 5.3 .1 i V T SSW 3.4 .4 .] .3 .C .0 .3 3.3 .1 l
) I SW i.; .- .] .] .0 .0 .3 2.6 .1 !
] WSW 1.5 . :. .3 .2 .0 .0 .0 2.3 .1 -l; N 4 .3 .O .: .3 .3 .0 .0 .5 .0 JNW .4 .0 .]' .3 .0 .0 .3 .4 .0 Nw 1.5 1.? .3 .] .0 .3 .0 -3.4 .1 l NNW 1.7 .: .3 .] .0 .0 .0 2.5 .1 ;
CALM 1.5 1.5 ___.y.___............_----_____..__.----------_--__-.__-__...__.. ..__ , TOTAL ok.3 27.5 :.: .5 .3 .3 .3 133.3 .2 ; , 3. 80cR5 0F _ A> 0? %IS2 INS SATA OR .D PE7 CENT F34 254 43013 . m - i
)
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dicICC C3 Y33 CEC: 7/ L/fE' C00-- 2/ L/6E' OCC ! i
- I '% 0 "d?iC )4/3( VI 5C-h 73A3-
}
LE V/L i C- 7-G ?-? e-lL L2-ti I5-Li vhc ne 1C141 iciEC~ ! k C*f *C *"
' C' ' '( 'O L E* S 19*1 L E 3* f i NN3 E*2 *6 'C *C *C *0 'O v*L *L h3 F*? *I *C *C *0 'C *C E*1 *L I!f S ?*L I*C *C *C *0 *0 *0 2*t *2 c? c'o 5~L *C *C 'O *G *0 L2*C *f
. e e . ,.
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. . . _ 4 I :er c.r .c .0 .0 .c l , . ., .-
E ?3 LL*0 T*I 'C *C *0 'O *C !?*5 *i i P 3 S02 C*? *; -*C *C *C 'C *0 9'e *L I 3 5 ?*f *E *C *C *C 'O *C 2*E *L h I SSM L*! *5 *C *C *C *0 *C L*E *C C I SM *5 *C *C *C *0 *0 *C *5 "C ; 0 rS' !'E *C *C *C 'O *0 'C L*E *C h r 'C *5 *C *C *0 *0 *C *5 'C ! rNM *6 *t *9 *C *C 'O *C 2*C *L bM L*C *5 *C *C *0 'O *0 2*E *0 h ;t
- 2*f *C *C *C *0 'O *0 2*I *0 3v1L E*r e*5 '
lC1Y1 9i*6 L6** 't *C *G 'O lE*E L CC* C - 6*E i ~ C* wonyS 03 G :W nIS:!NS Cric CE *C eit3Ehi dCh 2LL HC n n E
- i !
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i
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l t i i TABLE 4B (Continued) ) l METEOROLOGICAL DATA - APRIL-JUhT 1993 ! l l 5 l a TOTAL FliGUENCY DICT;U:JTION , PER*;D JF RE;3R): 4/ 1/9?, 003 -- 7/ I/93r 3)3 -i i s dIND SPEED (9/S) AT 1~-M LEVEL. l 1E A/G ! 3-2 5-5 6-3 3-11 12-14 15-17 AND UP T3TAL' 3 PIID ! i 4 4.4 .1 .J .] .0 .0 1.5 6.1 15.5 i NNE .i .1 .3 .] .O .0 .0 4.? .1 , vE c.? .1 .3 .] .0 .0 .0 9.3 .1 ! ENE 5.1 .3 .2 .3 .0 .0 .9 5.2 .1 l 3.7 .1 .3 .3 .0 .0 .3 3.3 .0 l D i 4.3 .0 ~ I E35 4.2 .1 .0 .3 .0 .0 .3 R SE o.4 . .3 .3 .0 .0 .3 o.? .1 ! 4 E 3SE v.0 1.4 .2 .3 .C .O .3 12.7 .3 i I C 3 s.2 1.5 .3 .3 .C .0 .3 7.7 .2 ! 1 i S3W 5.6 .3 .2 .] .0 .0 .3 f.7 .1 ! O I 3W 5.3 .3 .3 .3 .0 .0 .0 6.6 .1 { i 3 mSW 3.4 .: .3 .] .0 .0 .3 3.5 .1 i N 4 2.3 .2 .3 .] .3 .0 .0 2.5 .0 t 4Nw 2.4 .3 .3 .3 .J .0 .0 2.5 .3 ! NW 4.1 .7 .3 .] 0 .0 .0 4.3 .1 i
.3 .O .0 .0 3.5 .3- !
l N N '* 3.5 .0 .] CALM 3.5 10.3 i 103.0 1.1 J T]TAL S?.9 d.3 .2 . 0 .3 .3 1.5 ;
?
241. HOUR; 0F ~AS O? *ISSING JATA OR
. 11.3 PERCENT-F3R 2184 H]uts ,
1 I t 4 0
-51
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- , ~ . n .n ,c , e 9
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t 1YITH tE )Docafunep( 4 M3120 HOI'ODI3Y7 GY1Y - Y4HI7-fan 2 I66E I i 4 1C1t7 db:"03h0A CI51:02r1:0A $ c3EICC C3 83: CEC" t/ L/sO' COC -- 2/ .L/6E' OCC ! i
?!;tO 5d330 ) eT / 2 ( ti 5C-W 72A37 LH Y/B l 0-? !-E c_? 6_LL L2-L* L5-LL vhC re 10JY7 5diEC_ l
.t ?'c L*L 'C *C *C *C L"5 5*2 1 S* 5 i thi 7*L L*C *C *C *C *0 'C E*C *L l hE ?'c * *C 'C *C *C *C E*2 *L i 3N3 E*t 2*C *L *C *C *0 *0 5*5 *L ;
O I 5*2 i* t *C *C 'O *0 *G 6'2 *I " I 303 2c t*L *E *L *0 'O *0 L2*L 'E I
& II 5*/ f*2 *c *C *0 *G 'O L0*C *E !
r3 SSI 5*! 9*: L*C *C *G *O *C 12*c *5 I 3 5 **L E*2 *E *C *0 'C 'O S*C *E .. I h 1 SS* i*f L*; *C *C *0 'C *0 7'E *L C I SM F*L ?*? 'c *C *0 'C *C C*2 *2 i ! C F59 2*2 L*o *7 *C *0 'C *0 7*2 *! ! h F t*c L*C 't *C *0 'O *0 E*C *L I rhM L'E *' *C *C *0 'O *C L'l *G L*e j hs '*6 'C *C *G 'C *C 7*S *L hN* L'd L": *C *C *0 *C '0 E*L *L , 3v7F L*( 2*E 1C1v7 ss*t E4*/ ~'E *L 'O *C L*5 L CC* C l*L 27L
- FCnhO C1 ?yC cs bS9INO C414 Ce LL"C e3h33h1 3Ch ?L97 HC0h5 j i
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9 TABLE 4B (Continued) METEOROLOGICAL DATA PERIOD OF RECORD: 4/1/93, 000 -- 7/1/93. 000 PERCEi4T 5AD DATA ? E P e:iT RE DRT COVERS 2124dCUFS 4C035 PERCENT 509 DIRECTIDN E41. 11.03 5Ji WIVD SSEED 241. 11.05 1]< DIRECTIDN 241. 11.03 1]t WIND S*EED 241. 11.0! TEMPERATJRE 241. 11.03 DE4 POINT 241. 11.05 DELTA T Z41. 11.03
? ?. E C IP I T A T I O N 53 4.05
-53
I e
.* i d e 9
~
TABLE 4p METEOROLOGICAL DATA
SUMMARY
JANUARY - DECEMBLR 1993 1 TOTAL FREQUENCY DISTRIBUTION ' PERIOD OF RECORD: 1/1/93, 000 -- 1/1/94, 000 See the End-of-Year Report for Annual Summary i i u l i i t 1 [ t K TBL4C l 1 a i l, 1 1 1
-54 l J
o'
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' TABLE 4D ELASSIFICATION OF ATMOSPHERIC STABILITY STABILITY PASQUILL Temperature Change CLASSIFICATION CATEGORIES c0a l (degree ) with height ( C/100m)
Extremely unstable A 25.0 <-1.9 Moderately unstable B 20.0 -1.9 to -1.7 Slightly unstable C 15.0 -1.7 to -1.5 Neutral D 10.0 -1.5 to -0.5 Slightly stable E 5.0 -0.5 to 1.5 Moderately stable F 2.5 1.5 to 4.0 Extremely stable G 1.7 >4.0 aStandard deviation of horizontal wind direction fluctuation over a period of 15 minutes to one hour. The values shown are average for each stability classification. l l i l
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