Text

Tower 1 Joint Frequency Distributions of Wind Speed & Direction by Atmospheric Stability Class 1993 Rept 9
	ML20067D324
Person / Time
Site:	Limerick
Issue date:	12/31/1993
From:	Boyce R; PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	;
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ML20067D318	List: ML20067D315; ML20067D319; ML20067D324;
References
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PECO ENERGY COMPANY LIMERICK GENERATING STATION DOCKET NO. 50-352 (Unit 1)

DOCKET NO. 50-353 (Unit 2)

Tower No. 1 Joint Frequency Distributions of Wind Speed and Direction by Atmospheric Stability Class 1993 Report No. 9 Submitted to The United States Regulatory Commission Pursuant to Facility Operating License NPF-39 (Uniti) and NPF-85 (Unit 2)

Preparation Directed by:

D. R. Helwig, Vice President Limerick Generating Station I 1Gl < < ,hMf '

Rbbert W. Boyce, Plant W'anager 9403000169 940223 PDR ADDCK 05000352 R PDR

_ _ - , - - . - - - -. -- - _.. - - - = - _ ~ . ~. - . . . .-. .

LCS MIXED *5X)E RELE ASE TURelNE ENCLOSURE (NCATN VENT) 1993 SPEClflC POINTS of INTEREST

! ORELEASE TVPE 07 OlRECil0N OlSTANCE X/0 X/0 X/0 D/0 l 10 LOCAfl0N (MILES) (METERS) (SEC/ CUB. METER) (SEC/ CUB. METER) (SEC/CUS. METER) (PER SQ. METER)

NO DECAY I +

2.260 DAY DECAY

+

8.000 DAY DECAY i UN0!PLETED UNDEPLETED DEPLETFD

+

N SITE BOUNDARY $ .81 1311. 1.657E 07 1.653E 07 1.484E-07 1.531E 09 N SliE Ba)NOARY SSW 49 793, 2.484E 07 2.480E 07 2.277E 07 1.836E 09 N $1TE Ba>NDARY SW .61 9 75 , 1.801E 07 1.798E 07 1.634E 07 1.307E 09 N SITE BOUNDARY VSW .55 884. 2.692E 07 2.688E 07 2.452E 07 2.262E 09 N SITE BOUNDARY W .57 914. 3.543E 07 3.538E 07 3.221E 07 3.511E 09 N SITE Ba>NDARY WNW .55 884. 2.401E 07 2.397E 07 2.190E 07 2.268E 09 4

N SITE BOUNDARY NV .59 945, 1.468E 07 1.465E 07 1.333E 07 1.060E 09 N SITE Ba)NDARY NNV .68 1097. 1.985E 07 1.981E 07 1.788E 07 1.415E 09 N Siff BOUNDARY N .63 1006. 3.625E 07 3.618E 07 3.271E 07 2.423E 09 N SITE BOUNDARY NNE .55 884. 5.330E 07 5.319E 07 4.867E 07 4.382E 09 N SITE BOUNDARY NE .53 853. 5.364E 07 5.350E 07 4.908E 07 2.996E 09 N SITE BOUNDARY ENE .72 1158. 4.576E 07 4.560E 07 4.132E 07 2.483E 09 N SifE BOUNDARY E .72 1158. 6.604E 07 6.586E 07 5.954E 07 4.943E 09 N SITE BOJNDARY ESE .51 823. 1.274E-06 1.272E 06 1.165E 06 1.346E-08 N $1TE BOUNDARY SE .76 1219. 5.006E 07 4.997E-07 4.485E 07 6.569E 09 N $1TE BOUNDARY SSE .78 1250, 2.358E 07 2.353E 07 2.112E 07 2.957E 09 N RAILROAD TRACKS S .19 300. 1.675E 06 1.673E 06 1.603E 06 1.114E 08 N RAILROAD TRACKS SSW .14 225. 2.059E 06 2.058E 06 1.989E 06 9.746E 09 N RA!LROAD TRACKS SW .14 225. 1.960E 06 1.959E-06 1.892E 06 8.892E 09 N RAILROAD TRACKS VSW .14 225, 2.511E 06 2.510E 06 2.425E 06 1.487E-08 N RAILROAD TRACKS W .14 225. 3.456E 06 3.455E 06 3.338E 06 2.494E-08 N RAILWOAD TRACKS WNW .21 345. 1.066E 06 1.065E 06 1.015E 06 8.281E 09 W RAILROAD TRACKS NW .28 450. 4.651E 07 4.646E 07 4.384E 07 2.859E 09 N INFORMAi!ON CTR ESE .55 884, 1.145E-06 1.143E 06 1.042E 06 1.209E 08 N TRICKS LOCK WSW .28 450. 7.392E 07 7.386E 07 6.%5E 07 5.798E 09 VENT AMD BulLDING PARAMETERS:

RELEASE HEIGHT (METERS) 61.00 REP. WIND HEIGHT (METERS) 50.6 O!AMETER (METERS) 5.33 BUILDING NEIGHT (METERS) 61.0 EXti VELOCITY (M/SEC ) 7.68 BLDG. MIN.CRS.SEC. AREA (SO. METERS) 4596.0 NEAT EMIS$10N RATE (CAL /SEC) .0 AT THE RELEASE HEIGHT: l AT THE MEASURED WIND HEIGHT ( 9.1 METERS):

VENT RELEASE MCOE WIND SPEED (METER $/SEC) l VENT RELEASE MODE WIND SPEED (METERS /SEC) WIND SPEED (METERS /SEC) l STABLE CONDITIONS UNSTABLE / NEUTRAL CONDITIONS ELEVATED LESS THAN 1.536 ELEVATED l LESS THAN .651 LES$ INAN 1.000-

~MIXE0 GETWEEN 1.536 AND 7.680l MIXED BETWEEN .651 AND 3.257 BETWEEN 1.000 AND 5.001 GROUND LEVEL ABOVE 7.680 l GROUND LEVEL ABOVE 3.257 ABOVE 5.001 1

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LGS MIXED MODE RELEASE REACTCS ENCLOSURE (SOUTH VENT) 1993 l l

SPECIFIC POINTS OF IWiEREST 0 RELEASE TYPE OF DIRECilDN DISTANCE X/0 X/0 X/0 D/0 ID LOCAfl0N (MILES) (METERS) (SEC/CU8. METER) (SEC/CUS. METER) (SEC/CUS. METER) (PER SQ. METER)

NO DECAY-

+ 2.260 DAY DECAY o 8.000 DAY DECAY UNDEPLETED UNDEPLETED DEPLETED

+

$ SITE BOUNDARY $ .81 1311. 1.906E 07 1.901E 07 1.715E 07 1.593E 09 S SifE BOUNDARY $$W .49 793. 2.803t 07 2.798E 07 2.572E+07 1.970E 09 S SITE BOUNDARY SW .61 9 75 . 2.055E 07 2.050E 07 1.869E 07 1.387E D9 s $1TE BOUNDARY WSW .55 884. 3.02TE 07 3.022E 07 2.763E 07 2.394E D9 5 $1TE BOUNDARY W .57 914, 3.942E 07 3.937E 07 3.590E 07 3.688E 09

$ SITE BOUNDARY VNW .55 884. 2.683E 07 2.67BE 07 2.451E 07 2.375E 09

$ SITE BOUNDARY NW .59 945. 1.684E 07 1.681E-07 1.532E 07 1.135E 09 5 SITE BOUNDARY NNW .68 1D97. 2.310E-07 2.305E 07 2.089E 07 1. 753E-09 5 $1TE 80VNDArf N .63 1006. 4.138E 07 4.130E-07 3.739E 07 2.624E D9 5 $1TE BOUNDARY WWE .55 884. 6.110E 07 6.D97E 07 5.585E 07 5,180E 09 5 $1TE BOUNDARY WE .53 853. 6.070E 07 6.054E 07 5.560E 07 3.469E 09 5 SITE BOUNDARY ENE . 72 1158. 5.509E 07 5.490E 07 5.015E-07 2.602E 09

$ $1TE BOUNDARY E .72 1158. 7. 751E-07 7.730E 07 7.026E-07 5.187E D9 5 SITE BOUNDARY ESE .51 823, 1.409E D6 1.407E 06 1,288E 06 1.411E-08 S SITE BOUNDARY SF .76 1219, 5.585E 07 5.574E-07 5.012E-07 6.808E D9

$ SITE BOUNDARY sSE .78 1250. 2.647E 07 2.641E 07 2.377E 07 3.064E-09 5 RAILRDAD TRACKS $ .19 300. 1.850E-06 1.849E 06 1.771E 06 1.201E-08 S RAILRDAD TRACKS SSW .14 225. 2.304E 06 2.303E-06 2.226E 06 1.073E 08 5 RAILROAD TRACKS SW .14 225. 2.176E 06 2.175E 06 2.102E 06 9.720E D9

$ RAILROAD TRACKS WSW .14 225. 2.771E 06 2.770E-06 2.676E-06 1.607E 08

$ RAILROAD TRACKS W .14 225. 3.775E- 06 3.773E 06 3.646E 06 2.67BE 08 S RAILROAD TRACKS WNW .21 345. 1.176E-06 1.175E 06 1.120E 06 8.810E 09 S RAILROAD 1 RACKS NW .28 450. 5.268E 07 5.?63E 07 4.968E 07 3.112E D9 S INFORMAi!ON CTR ESE .55 884. 1.268E 06 1.266E 06 1.154E-06 1.266E 08

$ FRICKS LOCK WSW .28 450. 8.202E-07 8.195E-07 7.730E 07 6.212E D9 VENT AMD BUILDING PARAMETERS:

RELEASE HEIGHT (ME TERS) 61.00 REP. WIND HEIGHT (KETERS) 50.6 DIAMETER (MET ER$) 3.44 BUILDING HEIGHT (METERS) 61.0 EXIT VELOCITY (M/SEC ) 7.32 BLDG. MIN.CRS.SEC. AREA (50. METERS) 4596.0 MEAT EMIS$10N RATE (CAL /SEC) .0 AT THE RELEASE HEIGHT: l AT THE MEASURED WIND HEIGHT ( 9.1 METERS):

VENT SELEASE MODE WIND SPEED (METERS /SEC) l VENT RELE ASE MODE WIND SPEED (METERS /SEC) WIND $ PEED (METERS /SEC) l STABLE CONDITIONS UNSTABLE / NEUTRAL CONDITIONS ELEVATED LESS THAN 1.4 64 l ELEVATED LESS THAN .621 LESS THAN .953 QlxiD BE TWEEN 1.464 AND 7.320l MIXED BETWEEN .621 AND 3.1 04 BETWEEN .953 AND 4.767 CROUND LEVEL ABoVE 7.320 l GROUND LEVEL ABOVE 3.104 ABOVE 4.767

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PAGE 66 PROGRAM: JFD VERSION: PC-1.2 Limerick Generating Station - JFD 30 FT LEVEL - January through Decencer 1993 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/93 - 12/31/93

- - ANNUAL ***

STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESNOLD AT: .75 MPH TOTAL YJMBER OF OBSERVATIONS: 8760 TOTAL NUMBER OF VALID OBSERVATIONS: 8601 TOTAL NUMBER OF MIS $1NG OBSERVATIONS: 159 PERCENT DATA RECOVERY FOR THIS PERIOD: 98.2 %

MEAN WIND SPEED FOR THIS PERIOD: 5.0 MPH NUMBER OF OBSERVATIONS WITN BACKUP VIND SPEED: 337 NUMBER OF OBSERVATIONS VITH BACKUP VIND DIRECTION: 939 NUM8ER OF OBSERVATIONS WITM BACKUP STABILITY: 413 TOLE NUMBER OF OBSERVATIONS WITM BACKUP DATA: 1094 PERCENTAGE OCCURRENCE OF STASILITY CLASSES A B C D E F G 10.65 4.95 4.92 36.22 26.15 10.20 6.92 DISTRIBUTION OF WIND DIRECTION VS STABILITY N NME NE ENE E ESE SE SSE S SSW Su WSW W Wed ed untW CALM A 25 16 14 7 18 11 to 12 26 100 81 94 139 156 151 56 0 a 21 8 12 12 18 22 10 4 13 33 25 22 43 63 81 39 0 C 29 13 8 20 27 19 to 13 to 37 30 21 28 56 67 35 0 0 186 135 145 226 251 133 78 149 178 162 99 112 209 437 365 245 5 E 60 56 63 70 97 61 68 93 186 207 199 222 293 277 194 78 25 F 27 26 2A 16 18 19 15 21 32 78 99 121 145 125 47 15 49 G 25 12 9 12 9 13 8 15 21 24 64 113 109 72 28 19 42 TOTAL 3 73 266 275 363 438 278 199 307 466 641 597 705 966 1186 933 487 121

PAGE 62 PROGRAM: JFD VERSION: PC-1.2 Lirrerick Generating Station - JFD 175-f t LEVEL - January through Decr ++r 1993 SITE IDENTIFIER:

DATA PERIOD EKAMINED: 1/ 1/93 - 12/31/93 ANNUAL ***

STABILITY CLASS A STABILITY BASED 04: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESMDLD AT: .75 MPM JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN NOURS AT175.00 FEET SPEED (MPH) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNU WW WWW TOTAL CALM 0

.76- 3.50 4 2 4 3 2 2 2 2 2 5 6 4 3 1 3 1 46 3.51- 7.50 14 14 10 5 16 5 2 5 i4 24 30 27 31 25 20 14 256 7.51-12.50 7 5 0 2 4 0 2 3 33 43 21 39 63 56 64 19 361 12.51-18.50 5 0 0 1 2 0 0 0 5 25 11 16 40 46 29 20 200 18.51-24.00 0 0 0 0 0 0 0 0 0 0 0 5 9 18 9 2 43

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 4 TOTAL 30 21 14 11 24 7 6 10 54 97 68 91 146 .147 127 57 910 STABILITY CLASS B STABILITY BASED ON: DELTA i BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPH) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW N NW TOTAL CALM

.76- 3.50 0 5 3 2 3 5 2 0 3 6 4 6 3.51- 7.50 5 1 1 2 2 2 47 11 12 7 11 4 3 4 6 4 6 2 10 9 7 6 107 7.51-12.50 6 3 0 1 8 3 4 3 6 13 6 8 14 19 20 17 131 12.51-18.50 10 0 0 1 3 6 0 0 5 5 1 5 10 16 20 12 94 18.51-24.00 0 0 0 0 0 0 0 0 0

>24.00 0 0 0 1 1 1 3 8 to 8 32 0 0 0 0 0 0 0 0 0 2 6 1 0 9 TOTAL 26 17 14 12 27 15 7 10 23 24 to 22 40 60 60 45 420 E. _ . . _ _ _ _ _ _ _ __ _ _ _ _ . _ _ ___ ... .

PAGE 63 PROGRAM: JFD YER$!ON: PC-1.2 Limerick Generating Station - JFD 175-f t LEVEL - January through Deceeber 1993 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/93 - 12/31/93

, *** ANNUAL ***

l STABILITY CLASS C STABILITY BASED 04: DELTA T BETWEEN 175.0 AND 30,0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESMOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN NOURS AT175.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE SSE S SSW SW USW W WWW NW NNW TOTAL CALM 0

.76- 3.50 3 4 5 6 4 5 3 5 2 2 1 1 3 1 2 4 51 3.51- 7.50 11 8 4 13 10 7 5 4 8 9 6 3 4 12 13 11 128 7.51-12.50 11 5 1 8 13 3 5 2 5 9 8 to 4 17 13 11 125 12.51 18.50 6 1 1 3 1 2 0 0 4 9 2 2 7 13 16 7 74 18.51-24.00 2 0 0 0 0 2 0 0 0 1 0 0 6 5 3 6 25

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 0 6 total 33 18 11 30 28 19 13 11 19 30 17 16 24 51 50 39 409 STABILITY CLASS D STABILITY BASED DN: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH J0lNT FREDUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPH) N NNE NE ENE E ESE SE SSE S SSV SV WSW W WWW WW NNW TOTAL CALM 0

.76- 3.50 24 29 44 47 39 20 23 7 16 11 22 14 16 12 16 19 359 3.51- 7.50 46 80 74 108 88 26 23 24 49 50 23 13 24 36 47 58 769 7.51-12.50 65 71 70 81 114 40 20 51 104 56 14 34 44 107 69 46 986 12.51-18.50 28 20 15 19 40 17 6 21 19 17 7 7 38 150 91 52 547 18.51-24.00 4 4 0 8 3 8 0 1 1 4 0 2 19 50 47 33 184

>24.00 0 1 0 4 4 1 0 0 0 0 0 0 8 29 13 3 63 TOTAL 167 205 203 267 288 112 72 1 04 189 138 66 70 149 384 283 211 2908

PAGE 64 PROGRAM: JF0 VERSION: PC-1.2 Limerick Generating Station - JFD 175-ft LEVEL - January through Decen6er 1993 SITE IDENTIFIER:

DATA PERICD EXAMINED: 1/ 1/93 - 12/31/93 ANWUAL ***

STABILITY CLASS E STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 TEET WIND THRESHOLD AT: .75 MPM J0lNT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPH) N NNE NE ENE E ESE SE SSE $ SSW SW WSW W WWW WW NWW TOTAL CALM

.76- 3.50 18 12 27 0 30 25 19 18 12 17 17 15 15 25 19 17 3.51* 7.50 17 303 43 17 34 48 15 16 19 28 48 B6 65 70 76 108 42 52 767 7.51-12.50 30 23 19 20 36 26 16 32 91 85 45 44 12.51-18.50 11 0 81 128 68 37 781 2 2 18 19 2 6 24 23 6 18.51-24.00 11 22 45 30 3 224 0 1 0 0 1 8 2 0 2 1 1 0 2 8 3 1 30

>24.00 0 0 0 0 1 0 0 0 2 1 0 1 1 0 0 0 6 TOTAL 102 53 82 ~~~105 96 88 57 79 182 214 132 141 207 308 160 110 2111 STABILITY CLASS F STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET 1 WIND MEASURED AT: 175.0 FEET

! WIND THRESHOLD AT: .75 MPN I

I J0lNT FREDUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WWW NW NrW TOTAL CALM

.76- 3.50 15 11 9 15 15 9 9 13 13 9 15 to 1

3.51- 7.50 37 16 18 17 8 7 193 16 14 8 9- 8 5 25 22 28 35 54 66 37 36 7.51-12.50 8 13 4 9 416 1 3 1 2 9 14 13 12 25 62 12.51 18.50 0 0 25 6 207 1 1 0 2 0 0 0 0 2 0 18.51-24.00 0 0 1 6 0 0 13 0 0 0 0 0 0 0 0 0 0

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 61 41 29 30 32 23 18 20 47 45 58 57 98 151 70 49 830

PAGE 65 PROGRAM: JFD VERSION: PC-1.2 Limerick Generating Station - JFD 175-ft LEVEL - Jarwary through December 1993 SITE IDENTIFIER:

DATA PER100 EKAMINED: 1/ 1/93 - 12/31/93 ANNUAL ***

STA81LITY CLASS G STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WINO SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPH) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WWW WW NWW TOTAL CALM 1

.76- 3.50 9 15 17 12 7 6 4 10 6 11 16 20 to 23 to 6 182 3.51- 7.50 26 10 12 7 8 8 1 1 3 to 16 22 28 49 28 40 269 7.51 12.50 6 5 2 1 0 1 0 0 1 3 2 2 7 25 18 6 79 12.51 18.50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18.51-24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 41 30 31 20 15 15 5 11 10 24 34 44 45 97 56 52 531 STABILITY CLASS ALL STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN MOURS AT175.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE . SSE S SSW SW WSW W WWW WW NNW TOTAL CALM

.76- 3.50 2 78 76 108 116 97 63 59 52 62 56 79 70 76 75 58 56 1181 3.51- 7.50 182 156 162 202 156 75 61 71 153 205 7.51-12.50 133 125 96 114 174 1 72 227 305 194 217 2712 184 76 48 93 249 223 109 149 238 414 277 12.51-18.50 61 22 142 2670 18 26 64 46 8 27 57 79 29 41 118 276 186 94 18.51-24.00 6 1152 5 0 8 4 18 .2 1 3 7 2 8 39 89 72 50 314

>24.00 0 1 0 4 5 1 0 1 0 2 0 1 11 39 19 4 88 total 460 385 384 470 510 2 79 1 78 245 524 393 441 5 72 709 1198 806 563 8119

PAGE 66 PROGRAM: JFD VER$10N: PC-1.2 Limerick Generating Station - JF0 175-ft LEVEL - January through Decenter 1993 SITE IDENTIFIER:

DATA PERICD EXAMINED: 1/ 1/73 - 12/31/93

- - ANNUAL ***

STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURD AT: 175.0 FEET

WIND THRESHOLD AT: .75 MPH TOTAL NUMBER OF OBSERVATIONS: 8760 TOTAL NUMBER OF VALID OBSERVATIONS: 8119 TOTAL NLPI8ER OF MISSING OBSERVATIONS: 641 PERCENT DATA RECOVERY FOR THIS PERIOD: 92.7 %

MEAN WIND SPEED FOR TMIS PERIOD: 8.6 MPH TOTAL NUMBER OF 06 SERVAT 10NS WITH BACKUP DATA: O PERCENTAGE OCCURRENCE OF STA81LITT CLASSES A 8 C D E F G 11.21 5.17 5.04 35.82 26.00 10.22 6.54 DISTR 18UT10N OF WIND DIRECTION VS STABILITY N NNE NE ENE E ESE SE SSE S $$W SW VSW W WNW NW NNW CALM A 30 21 14 11 24 7 6 10 54 97 68 91 146 147 127 57 0 8 26 17 14 12 27 15 7 10 23 24 18 22 40 60 60 45 0 C 33 18 11 30 28 19 13 11 19 30 17 16 24 51 50 39 0 D 167 205 203 267 288 112 72 104 189 138 66 70 149 384 283 211 0 E 102 53 82 100 96 88 57 79 182 214 132 141 207 308 160 110 0 F 61 41 29 30 32 23 18 20 47 45 58 57 98 151 70 49 1 G 41 30 31 20 15 15 5 11 10 24 34 44 45 97 56 52 1 TOTAL 460 385 384 470 510 279 178 245 524 572 393 441 709 1198 806 563 2 i

(-

l

.t 1993 SECOND SEMIANNUAL JOINT FREQUENCY DISTRIllUTION OFDS) 30-FOOT LEVEL

4 s

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= Ji 44 M *1 w wOOwUOw> >

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PAGE 2 PROGRAM: JTD YER$104: PC-1.2

Limerick Generatirig Statiori - JFD 30 FT LEVEL - July through Decepber 1993 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/93 - 1LO1/93

- - 2ND SEMI-ANNUAL ***

STABILITY CLASS A STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESHOLD AT: .75 MPM JOINT FREQUENCY DISTRIBUTION CF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WWW WW NWW TOTAL CALM 0

.76- 3.50 7 1 7 3 3 4 2 3 5 8 11 9 8 7 4 5 87 3.51 7.50 9 9 4 2 5 2 3 7 to 37 22 26 59 47 40 17 299 7.51-12.50 3 0 0 0 1 0 0 0 4 5 1 7 12 18 29 12 92 12.51-18.50 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 18.51-24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 3

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 total 19 10 11 5 9 6 $ to 19 50 34 42 79 77 73 34 481 STABILITY CLASS 8 STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESMOLD AT: .75 MPH JOINT FREQUENCT DISTRIBUTION OF WIND SPEED AND DIRECT!DN IN HOURS AT 30.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WWW WW NWW TOTAL CALM 0

76- 3.50 4 2 3 3 4 5 2 0 1 5 5 3 6 3 5 4 56 3.51- 7.50 4 2 1 5 4 3 2 0 5 6 7 6 12 10 13 6 86 7.51-12.50 4 0 0 0 1 0 0 0 2 3 0 3 3 6 10 7 39 t

12.51-18.50 0 0 0 0 0 0 0 0 0 0 0 0 3 2 2 3 to 18.51-24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 12 4 4 8 9 8 4 0 8 14 13 12 24 21 32 20 193

h I

4

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==

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=

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PAGE 4 PROGRAM: JFD VERSION: PC-1.2 Limerick Generatirs Station - JFD 30 FT LEVEL - July through Dececber 1993 SITE IDENT!FIER:

DATA PERIOD EKAMINED: 7/ 1/93 - 12/31/93

- - 2ND SEM!-ANNUAL ***

STABILITY CLASS E STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET W!k3 THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE SSE $ SSW SV WSW W WWW WW NwW TOTAL CALM 2

.76- 3.50 26 17 24 20 26 13 17 17 35 50 73 83 92 72 40 22 627 3.51- 7.50 8 20 12 8 10 17 17 30 48 55 13 18 36 53 41 18 404 7.51-12.50 3 2 5 0 1 1 1 4 5 0 0 0 4 13 22 5 66 12.51-18.50 0 0 0 0 0 4 4 2 0 0 0 0 0 4 1 0 15 18.51-24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 37 39 41 28 37 35 39 53 68 1 05 86 101 132 142 104 4$ 1114 STABILITY CLASS F STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESHOLD AT: .75 MPN JOINT FREQUENCY DISTL BUTION OF WikD SPEED AND DIRECTION IN NOURS AT 30.00 FEET SPEED (MPN) N NNE WE ENE E ESE SE SSE S SSW SW WSW W WNW WW NwW TOTAL CALM 20

.76- 3.50 21 15 16 11 8 10 8 9 10 36 55 68 80 63 36 11 457 3.51 7.50 0 2 1 0 0 1 0 1 1 7 0 1 1 5 3 1 24 7.51-12.50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12.51-18.50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18.51-24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 21 17 17 11 8 11 8 10 11 43 55 69 81 68 39 12 501 F

L A

33o0000 6 L 8780360 2 22t 5 A 492721 8 T 3 3 O

T 0541 2 T

O 21 4 T

WN 700000 7 W 321710 4 1 1 N 9961 6 N N 2 W

N 230000 2

5 W 430630 6 2 N 4613 5 11 1 4 5

W N

420000 o W 6627o0 1 W 4 t W 3702t 5 W 21 1 5 E

W 410000 6

5 W 293510 0 G 6 8442 0 A 21 5 P

W S

400000 4 W 221000 5 5 5 S 571 3 W W 2 3 W

S 300000 2

3 W 574000 6 2 S 06 7 2 2

W S

400000 4 W 623000 1 1 1 S 462 3 T S T S 11 3 E E E E L F F A L 3 U 0 0 S 210000 3 L 0 S 731000 1 9 N 0 1 1 A 0 822 3 9 N 1 2 1 A 0 0

- S 3 S r I S 3 e S M A T A T bn E S C L A E S

610000 7 L A E 009200 1 -

e S C S 69 6 S S S c D Y R Y R 1

e N T U T U D 2 I O I O LT N h

g

IE BE N E

S 410000 5 ILT BE E

N E 221510 1 u N S 54 0

AF I AF I

_ o

T T 1

r S0 N S0 N h O O t 0 I 0 I y 3 T E 800000 8 3 T E 50o100 6 C S C S 66t1 4 l E E u E E 1 D R D R J N I N I A D A D 0 D E 800000 8 0 D E 385000 6 L N N 871 7 E 5 A 5 A 1 V 7 7 E 1 D 1 D L 3 E E 9 N E N E T / E P E 900000 9 E P E 190000 0 F 1 E S N E $ N 96 6 0

3

/

W E W E 1 T D T D _

3 2 E N E N 1 B I B

D W WI 2 F - E 700000 7 E 181000 0 J F N F N 1 3 T O 041 6

- - 9 EH T O 1 1 EH C / EP N EPN P n 1 7FMO TF MO o I I

i / 5T E o00000 0 E 4

0 t

a 7 T A 0. 7. B L0 U N N

t 1 A 0. 5T T

L0 7.BU M N

436000 861 3

6 1

1 t E3 I E3 I

$ S : D R D R R

g D T T E E : : : S : : : S Y n k NTT I N 1 10000 2 NTT! N 643000 3 i I OAAD 2 2 OAAO 173 2 t : M 1 2 ARA D Y D Y REX EDDC EDDC eI E SELN SELN D nF AROE AROE F eI D GTO BUH U 00000 BUHU 00000 J SSQ SSQ kER NI YAEE TERRD) 55550.0 372840 L YAEE TERRD) 55550.0 372840 L M: icDE I MHF EH M 1 1 2 A I MHF EH M 112 A _

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ANNI C75555.> T IBDDNS(

ANNI C75555.> T R iI A TI I O 3728 TI I O P LSD SWWJ 11 SWWJ 3728 11

PAGE 6 PROGRAM: JFD' VERSION: PC-1.2 -

Lisnerick Generating Station - JFD 30 FT LEVEL - July through Decenter 1993 SITE IDENTIFIER:

DATA PERICD EXAMINED: 7/ 1/93 - 12/31/93

- - 2ND SEMI-ANNUAL STABill!Y BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESHOLD AT: .75 MPH TOTAL NUMBER OF OBSERVATIONS: 4416 TOTAL NUMBER OF VALID OBSERVATIONS: 4282 TOTAL NUMBER OF MISSING OBSERVATIONS: 134 PERCENT DATA RECOVERY FOR THIS PERIOD: 97.0 %

MEAN WIND SPEED FOR THIS PERIOD: 4.4 MPH NLNBER OF OBSERVATIONS WITH BACKUP WIND SPFED: 120 NUMBER OF OBSERVATIONS WITN BACKUP WIND DIRECTION: 729 NUMBER OF OBSERVATIONS WITN BACKUP STABILITY: 194 TOTAL NUMBER OF OBSERVAil0NS WITH BACKUP DATA: 874 PERCENTAGE OCCURRENCE OF STABILITY CLASSES A B C D E F G 11.28 4.51 4.90 33.28 26.02 11.70 8.31 DISTRIBUTION OF WIND DIRECTION VS STABILITY N NNE NE ENE E ESE SE SSE S SSV SV WSW W WNW WW NNW CALM A 19 10 11 5 9 6 5 to 19 50 34 42 79 77 73 34 0 B 12 4 4 8 9 8 4 0 8 14 13 12 24 21 32 20 0 C 17 7 6 9 11 to 7 9 4 23 16 to 12 22 29 18 0 D 95 76 74 90 94 68 33 72 88 82 49 47 107 175 154 118 3 E 37 39 41 28 37 35 39 53 88 105 86 101 132 142 104 45 2 F 21 17 17 11 8 11 8 10 11 43 55 69 81 68 39 12 20 G 22 10 7 9 8 8 5 7 13 14 23 54 65 46 25 17 23 TOTAL 223 163 160 160 176 146 101 161 231 331 276 335 500 551 456 264 48 i

_ _ . , . . _ . , . ,. -r-.- _. __ _ _ _ _

4 1

l 1993 SECOND SEMIANNUAL JOINT FREQUENCY DISTRIBUTION OFDS) 175-FOOT LEVEL l

i i

l i

1 E

G A

P 0

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F

l PAGE 2 PROGRAM: JFD VERSION: PC-1.2 -

Limerick Generating Station - JFD 175-ft LEVEL - July through December 1993 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/93 - 12/31/93 2ND SEMI-ANNUAL ***

STABILITY CLASS A STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE $$E S SSW SW WSW W WWW WW NNW TOTAL CALM 0

.76- 3.50 4 2 3 3 1 1 2 2 0 4 4 3 3 1 2 1 36 a

3.51- 7.50 9 9 6 3 8 0 1 4 11 12 14 14 16 13 14 9 143 7.51-12.50 5 5 0 0 4 0 2 1 24 19 11 21 39 30 41 13 215 12.51-18.50 3 0 0 0 0 0 0 0 2 5 6 7 22 16 7 10 78 18.51-24.00 0 0 0 0 0 0 0 0 0 0 0 0 2 4 0 0 6

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 3 TOTAL 21 16 9 6 13 1 5 7 37 40 35 45 82 65 66 33 481 STABILITY CLASS B STASILITY BASED 04: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WINO SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE SSE $ $$V SV WSW W WNW WW NWW TOTAL CALM 0

76- 3.50 4 3 2 2 4 1 0 1 1 0 1 3 0 2 1 0 25 3.51- 7.50 1 7 5 5 5 2 0 2 4 1 4 1 5 7 4 3 56 7.51-12.50 2 2 0 1 4 2 1 1 3 9 6 2 10 6 6 12 67 12.51-18.50 7 0 0 0 0 0 0 0 2 2 1 2 7 5 6 2 34

, 18.51-24.00 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 2 6

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 0 5 TOTAL 14 12 7 8 13 5 1 4 to 12 13 8 26 23 18 19 193

PAGE 3 PROGRAM: JFD YERSION: PC-1.2

Limerick Generating Station - JFD 175-ft LEVEL - July through December 1993 SITE IDENTIFIER:

CATA PERIT EXAMINED: 7/ 1/93 - 12/31/93 2ND SEMI-ANNUAL STABILITY CLASS C STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPH) N WNE NE ENE E ESE SE SSE S SSW SV WSW W WW W '

NNW TOTAL CALM 0

.76- 3.50 3 3 5 6 4 3 1 3 1 1 0 1 1 1 0 3 36 3.51- 7.50 6 3 1 6 5 2 3 2 4 7 2 1 1 6 12 3 64 7.51-12.50 8 2 1 4 4 3 5 2 3 6 5 7 2 7 4 7 70 12.51-18.50 2 0 1 0 0 1 0 0 2 4 2 0 5 2 6 4 29 18.51-24.00 1 0 0 0 0 0 0 0 0 0 0 0 3 0 1 1 6

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 TOTAL 20 8 8 16 13 9 9 7 10 18 9 9 12 17 24 18 207 STA8tLITY CLASS 0 STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPM) N WNE NE ENE E ESE SE SSE 5 SSV SW V5V W WNV NW NW TOTAL i

CALM 0 i

.76- 3.50 16 20 24 27 18 14 12 2 7 6 13 9 10 6 12 14 210 3.51- 7.50 24 34 50 51 ' 48 12 13 13 21 32 17 8 13 20 28 27 411 7.51-12.50 34 20 24 23 51 12 8 41 40 34 9 16 26 53 27 22 440 12.51-18.50 11 13 9 1 11 4 0 2 12 7 4 0 24 40 22 24 184 18.51-24.00 2 4 0 0 0 7 0 0 0 1 0 0 16 to 19 17 76

>24.00 0 0 0 0 0 1 0 0 0 0 0 0 8 8 2

1 20 TOTAL 87 91 107 102 128 50 33 58 80 80 43 33 97 137 110 105 1341

i PASE 4 I

I PROGRAM: JFD VER$104: PC-1.2 .

l Limerick Generating Station - JFD 175-ft LEVEL - July through Decen6er 1993 SITE IDENTIFIER:

I

' DATA PERIOD EKAMINED: 7/ 1/93 - 12/31/93

- - 2ND SEMI-ANNUAL ***

STABILITY CLASS E STABILITY BASED ON: DELTA T BETWEEN 175.0 AuD 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPM) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NrW TOTAL CALM 0

.76- 3.50 12 8 16 15 9 14 to 4 8 to 9 8 12 11 8 9 163 3.51- 7.50 13 9 17 23 9 9 10 15 18 47 37 34 43 62 24 22 392 7.51-12.50 17 12 7 7 7 13 7 23 54 49 18 21 47 55 23 11 3 71 12.51-18.50 5 0 2 0 3 1 0 0 8 13 1 4 7 21 19 1 85 18.51-24.00 0 1 0 0 0 6 2 0 1 0 0 0 0 0 1 1 12

>24.00 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 TOTAL 47 30 42 45 28 43 29 43 89 119 65 67 109 150 ^

74 44 1024 STABILITY CLASS F STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESROLD AT: .75 MPH JOINT FREQUENCY O!STRIBUTION OF WIND SPEED AND OIRECTION IN HOURS AT175.00 FEET SPEED (MPH) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW TOTAL CALM

.76- 3.50 ""I

13 7 6 to 13 2 3 2 6 5 10 6 3.51- 7.50 17 9 9 13 15 5 7 .'3 9 2 6 2 3 13 16 13 18 33 42 22 7.51-12.50 23 23 7 8 4 2 0 4 0 0 0 9 8 to 5 9 12.51-18.50 30 13 5 107 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18.51-24.00 0 0 0 0 0 0 0 -0 0 0 0 0

>24.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 38 20 17 19 19 8 5 5 28 29 33 29 55 87 40 35 668 P

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PAGE 6 PROGRAM: JFD VERSION: PC-1.2 Limerick Generating Station - JFD 175-ft LEVEL - July through Decesriber 1993 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/93 - 12/31/93

- - 2ND SEMI-ANNUAL ee.

STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESHOLD AT: .75 MPH TOTAL NUMBER OF OBSERVATIONS: 4416 TOTAL NUMBER OF VALID OBSERVATIONS: 4021 TOTAL NUMBER OF MISSING OBSERVATIONS: 395 PERCENT DATA RECOVERY FOR TMis PERIOD: 91.1 %

MEAN WIND SPEED FOR THIS PERIOD: 7.8 MPM TOTAL NUM9ER OF OBSEEVATIONS WITH BACKUP DATA: O PERCENTAGE OCCURRENCE OF STABILITY CLASSES A B C D E F G 11.96 4.80 5.15 33.35 25.47 11.64 7.63 DISTRIBUTION OF VIND DIRECTION VS STABILITY ENE E ESE SE SSE S SSW SV WSV W WNW NW NNW CALM N NNE WE 16 9 6 13 1 5 7 37 40 35 45 82 65 66 33 0 A 21 14 12 7 8 13 5 1 4 10 12 13 8 26 23 18 19 0 B

8 8 16 13 9 9 7 10 18 9 9 12 17 24 18 0 C 20 D 87 91 107 102 128 50 33 58 80 80 43 33 97 137 110 105 0 47 42 45 28 43 29 43 29 119 65 67 109 150 74 44 0 E 30 F 38 20 17 19 19 8 5 5 28 29 33 29 55 87 40 35 1 G 20 14 19 9 9 9 4 7 7 13 21 29 19 57 40 29 1 TOTAL 247 191 209 205 223 125 86 131 261 311 219 220 400 536 3 72 283 2

.- . _ -

ML20067D324

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