ML20034F517

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Tower 1 Joint Frequency Distributions of Wind Speed & Direction by Atmospheric Stability Class 1992
ML20034F517
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 12/31/1992
From: Doering J, Hewlwig D
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20034F491 List:
References
NUDOCS 9303030345
Download: ML20034F517 (23)


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PHILADELPHIA ELECTRIC COMPANY 3g330o162.1 1

LIMERICK GENERATING STATION l

P. O. BOX 2300 SANATOGA, PA 19464-2300 1

(215) 327-1200, EXT. 3000 i

DAVID R. HELWlG VCE PREstMNT LIMEDCK GENERATING STATION l

l PHILADELPHIA ELECTRIC COMPANY

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i LIMERICK GENERATING STATION i

l DOCKET NO.

50-352 (Unit 1)

DOCKET NO.

50-353 (Unit 2)

Tower No. 1 Joint Frequency Distributions of l

Wind Speed and Direction by Atmospheric Stability Class 1992 Report No. 8 l

Submitted to The United States Regulatory Commission Pursuant to Facility Operating License NPF-39 (Unit 1) and NPF-85 (Unit 2) l Preparation Directed by:

D. R. Helwig, Vice President Limerick Generating Station y

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WZ J

Doefing,- Jr. Plant Manager l-

PAGE 62 PROGRAM: JFD VERSION: PC 1.1 Limerick Generating Station JFD 30 FT LEVEL - January through December 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 12/31/92

... pggggt ***

STABILITY CLASS A i

STA81LITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED Att 30.0 FEET WIND THRESH 0LD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTIDW OF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (MPH)

N NNE WE ENE E

LSE SE SSE S

SSW SW USW W

WNW W

NNW TOTAL

-CALM 0

76-3.50 1

0 0

0 0

0 2

2 4

8 3

2 1

0 0

0 23 3.51 7.50 4

4 0

1 2

4 7

2 19 53 37 45 57 27 14 7

283 7.51-12.50 5

2 1

5 1

2 1

2 7

17 5

8 31 43 22 11 163 12.51 18.50 2

0 0

0 0

0 0

0 0

1 0

11 11 22 17 1

65 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 6

1 6

3 6

10 6

30 79 45 66 100 92 55 19 536 STABILITY CLASS 8 STA81LITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESNOLD AT:

.75 MPM JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (MPH)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW 10TAL CALM 0

.76-3.50 1

0 0

1 0

0 0

4 2

7 3

2 7

2 1

0 30 3.51 7.50 8

5 3

1 4

to 2

3 11 22 17 18 18 22 18 9

171 7.51 12.50 5

0 0

6 3

1 3

2 5

9 1

3 21 26 39 7

131 12.51 18.50 2

0-0 0

0 0

0 0

0 1

0 1

5 18 27 0

54 l

j 18.51 24.00 0

0 0

0 0

0 0

0 0

0 0

0 1

0 2

0 3

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

TOTAL 16 5

3 8

7 11 5

9 18 39 21 24 52 68 87 16 389 i

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a

l PAGE 63 PROGRAM: JFD VERSION: PC 1.1 Limerick Generatin8 Stetton - JFD 30 FT LEVEL - January through Decen6er 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 - 12/31/92

      • ANNUAI. ***

STA81LITY CLASS C STASILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESHOLD AT:

.75 MPH JolNT FREQUENCY DISTRIBUTION OF 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

WNW NW NW TOTAL CALM 0

.76-3.50 1

2 1

0 1

1 2

2 12 7

12 14 6

3 2

1 67 3.51-7.50 13 7

2 9

17 7

9 8

17 24 23 16 25 18 24 17 236 7.51 12.50 4

0 3

7 12 1

0 3

9 11 0

2 12 32 26 12 134 12.51 18.50 1

0 0

1 2

1 0

0 0

1 1

0 9

14 19 1

50 18.51-24.00 0

0 0

0 0

0 0

0 0

0 0

0 3

1 4

1 9

>24.00 0

0 0

0 0

0 0

0 0

0 0

0

~0 0

0 0

0 TOTAL 19 9

6 17 32 to 11 13 38 43 36 32 55 68 75 32 4%

STABILITY CLASS 0 STASIllTY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET a

WIND MEASURED AT: 30.0 FEET WIND THRESHOLD AT:

.75 MPH J0lNT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN MOURS AT 30.00 FEET SPEED (MPM)

N NME NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW NW NW TOTAL CALM 3

.76-3.50 16 21 32 37 39 36 34 36 53 95 86 71 65 38 21 19 699 3.51 7.50 89 59 109 202 167 64 52 95 138 88 46 80 84 153 93 71 1590 7.51-12.50 27 8

8 35 118 20 15 30 32 33 9

16 81 218 131 73 854 12.51 18.50 1

0 11 4

12 1

3 12 3

0 0

4 33 98 64 16 262 18.51-24.00 0

0 0

5 0

0 0

0 0

0 0

0 5

11 8

0 29

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

TOTAL 133 88 160 283 336 121 104 1 73 226 216 141 171 268 518 317 1F9 3437 j

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m

PAGE 64 PROGRAM: JFD VERSION: PC-1.1 Limerick Generating Stetton - JFD 30 FT LEVEL - January through Dece e er 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 - 12/31/92 ANNUAL ***

STABILITY CLASS E STAOILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND TNRES*)LD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN NOURS AT 30.00 FEET SPEED (MPM)

N NME NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW WW NNW TOTAL CALM 27

.76-3.50 16 17 29 35 40 38 42 53 88 158 166 156 142 52 30 18 1080 3.51-7.50 29 54 34 70 55 50 34 36 123 87 45 58 112 169 63 36 1055 7.51 12.50 4

4 10 28 9

7 9

10 8

20 6

12 18 49 27 15 236 12.51-18.50 0

0 8

7 9

1 1

2 2

0 1

2 0

3 1

4 41 18.51 24.00 0

0 1

0 0

0 0

0 0

0 0

0 0

0 0

0 1

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

TOTAL 49 75 82 140 113 96 86 101 221 265 218 228 272 2 73 121 73 2440 STABILITY CLASS F STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESNOLD iT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (NPM)

N NNE NE ENE E

ESE SE

$$E S

SSW SW WSW W

WNW WW NNW TOTAL CALM 40

.76 3.50 to 1

3 7

18 12 21 26 48 102 160 103 107' 39 12 4

6 73 3.51 7.50 0

5 4

1 5

4 2

4 3

11 6

5 11 25 3

1 90 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 10 6

7 8

23 16 23 30 51 113 166 108 118 64 15 5

803 i

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PAGE 65 PROGRAM: JFD VERSION: PC-1.1 Limerick Generating Stetton JFD 30 FT LEVEL - January through December 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 - 12/31/92

      • ANNUAL ***

STABILITY CLASS G STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESMOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 30.0G (EET SPEED (MPM)

N NME NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW WW NWW TOTAL CALM 49

.76-3.50 5

0 2

3 9

17 16 15 49 86 137 84 56 24 2

5 510 3.51-7.50 0

0 0

2 2

1 0

0 0

0 0

0 1

2 0

0 8

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 5

0 2

5 11 18 16 15 49 86 137 84 57 26 2

5 567 STABILITY CLASS ALL STABILITY BASED 04: DELTA T BETWEEN 175.0 AND 30.0 TEET WIND MEASURED AT: 30.0 FEET WIND 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 S

SSW SW WSW W

WWW WW NWW TOTAL CALM 119

.76-3.50 50 41 67 83 107 104 117 138 256 463 567 432 384 158 68 47 3082 3.51 7.50 143 134 152 286 252 140 106 148 311 285 174 222 308 416 215 141 3433 7.51 12.50 45 14 22 81 143 31 28 47 61 90 21 41 163 368 245 118 1518 12.51-18.50 6

0 19 12 23 3

4 14 5

3 2

18 58 155 128 22 4 72 18.51 24.00 0

0 1

5 0

0 0

0 0

0 0

0 9

12 16 1

44

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

TOTAL 244 189 261 467 525 278 255 347 633 841 764 713 922 1109 6 72 329 8668 l

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l PAGE 66 i

PROGRAM: JFD VERSION: PC 1.1 Limerick Generating Station - JFD 30 FT LEVEL January through December 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 - 12/31/92

      • ANNUAL
  • STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND TWRESNOLD AT:

.75 MPM TOTAL NUMBER OF OBSERVATIONS: 8784 TOTAL NUM8ER OF VALID OBSERVATIONS: 8668 TOTAL NUMBER OF MISSING OBSERVATIONS 116 PERCENT DATA RECOVERY FOR THIS PERIOD: 98.7 %

MEAN WIND SPEED FOR THIS PERIOD:

5.5 MPH NUMBER OF OBSERVATIONS WITM BACKUP WINO SPEED:

20 NUMBER OF OBSERVATIONS WITH BACKUP WIND DIRECTION:

18 NUMBER OF OBSERVATIONS WITM BACKUP STA81LITY:

90 TOTAL NUMBER OF OBSERVATIONS WITM BACKUP DATA:

111 PERCENTAGE OCCURRENCE OF STABILITY CLASSES A

B C

D E

F G

6.18 4.49 5.72 39.65 28,15 9.26 6.54 DISTRIBUTION OF WIND DIRECTION VS STABILITT N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NWW CALM A

12 6

1 6

3 6

10 6

30 79 45 66 100 92 55 19 0

8 16 5

3 8

7 11 5

9 18 39 21 24 52 68 87 16 0

C 19 9

6 17 32 10 11 13 38 43 36 32 55 68 75 32 0

0 133 88 160 283 336 121 104 1 73 226 216 141 171 268 518 317 179 3

E 49 75 82 140 113 86 101 221 265 218 228 272 273 121 73 27 F

10 6

7 8

23 16 23 30 51 113 166 108 118 64 15 5

40 G

S 0

2 5

11 18 16 15 49 86 137 84 57 26 2

5 49 TOTAL 244 189 261 467 525 278 255 347 633 841 764 713 922 1109 6 72 329 119 i

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GE 62

?!ME OF DAY:

3 PROGRAM: JFD VERSION! PC-1.1 Limerick Generating Station - JFD 175-ft LEVEL - January through Decenber 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 - 12/31/92

      • ANNUAL ***

STABILITY CLASS A i

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

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN MOURS AT175.00 FEET SPEED (MPM)

N MNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW WNW TOTAL CALM 0

.76 3.50 0

0 0

0 0

1 3

0 3

1 1

0 1

0 1

0 11 3.51 7.50 3

1 0

1 3

5 5

4 5

22 22 11 19 17 8

5 131 7.51 12.50 7

5 1

3 2

5 1

2 12 35 17 27 41 22 19 12 211 12.51 18.50 6

1 1

1 0

0 0

0 3

13 5

8 24 41 21 6

130 18.51 24.00 0

0 0

0 0

0 0

0 0

1 0

7 8

11 16 0

43

>24.00 0

0 0

0 0

0 0

0 0

0 0

4 0

0 2

0 6

TOTAL 16 7

2 5

5 11 9

6 23 72 45 57 93 91 67 23 532 STABILITY CLASS 8 STA81LITY BASED ON: DELTA T SETWEEN 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 TEET SPEED (NPN)

N

-NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW NW NNW TOTAL CALM 0

.76 3.50 1

0 1

1 0

1 3

2 2

1 1

0 1

2 0

1 17 3.51-7.50 5

5 2

2 3

2 3

0 5

9 14 7

9 16 8

4 94 7.51-12.50 10 2

2 5

5 6

3 1

7 18 8

6 15 16 24 10 138 I

12.51 18.50 4

1 0

0 0

0 1

0 2

6 1

2 11 23 38 7

96 18.51 24.00 0

0 0

0 0

0 0

0 0

1 0

2 5

11 14 2

35

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 1

1 5

0 7

TOTAL 20 8

5 8

8 9

10 3

16 35 24 17 42 69 89 24 307 a

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a

l 2/16/1993 PQGE 63 PROGRAM: JFD VERSION: PC 1.1 Limerick Ganerating Statfort JFD 175 f t LEVEL - January through Deceser 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 - 12/31/92

      • ANNUAL ***

STABILITT CLASS C STABILITY BASED 04: DELTA T BETWEEN 175.0 AND 30.0 TEET WIND MEASURED AT: 175.0 FEET WIND THRESNotD AT:

.75 MPN JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECil04 IN NOURS AT175.00 FEET SPEED (NPN)

N WWE NE ENE E

ESE SE SSE 5

SSW SW WSW W

WNW NW NNW TOTAL t

r. ALM 0

.76 3.50 0

3 0

2 1

2 1

3 3

6 3

4 3

3 1

1 36 3.51 7.50 12 10 2

6 to 6

5 8

15 11 14 6

15 13 14 13 160 7.51-12.50 12 2

3 8

13 3

1 5

11 23 9

7 11 to 21 9

148 12.51 18.50 4

1 1

3 6

2 0

1 1

9 0

1 9

27 25 9

99 18.51-24.00 1

0 0

0 0

0 0

0 0

1 0

1 6

8 20 0

37 4

>24.00 0

0 0

0 0

0 0

0 0

1 0

0 2

3 6

1 13 3

TOTAL 29 16 6

19 30 13 7

17 30 51 26 19 46 04 87 33 493 STABILITY CLASS D STABILITT 8ASED 04: DELTA T BETWEEN 175.0 AND 30.0 FEET

- WIND MEASURED AT: 175.0 TEET WIND TNRESHOLD AT:

.75 MPN JOINT FREQUENCT DISTRIBUTION OF WIND SPEED AND DIRECTION IN NOURS AT175.00 FEET 9

SPEED 4

(MPH)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW TOTAL i

CALM 0

.76 3.50 13 18 31 25 31 15 22 14 21 18 15 to 11 17 17 16 294 3

3.51 7.50 71 77 98 161 104 44 39 36 57 62 59 38 24 65 57 37 1029 8

7.51 12.50 65 38 55 77 163 62 34 66 134 77 24 49 58 128 116 49 1195 12.51 18.50 34 9

7 5

45 33 5

21 14 36 9

8 61 159 145 51 642 18.51 24.00 1

0 7

2 5

0 0

6 4

0 2

3 19 53 48 13 163

>24.00 0

0 4

6 1

0 2

0 2

0 0

3 21 28 20 2

89 TOTAL 184 142 202 276 349 154 102 143 232 193 109 111 194 450 403 168 3412 l

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4

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A 925 8

T 2892 3

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W 168100 6

N 442 1

W 13 5

N 1

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460030 3

W 469100 0

W 1514 2

N 141 8

1 2

W 021621 2

W 2591 00 7

4 W

2254 4

W 293 5

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W 1

W 179730 7

W 208200 2

E 2661 7

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2/16/1993 PAGE 65 TINE OF DAY: 13:46:1P PROGRAM: JFD VERSION: PC 1.1 Limerick Generating Station - JFD 175 ft LEVEL January through Decewber 1992 SITE IDENTIFIER:

DATA PERIOD EKAMINED: 1/ 1/92 - 12/31/92

      • ANNUAL ***

STABILITY CLASS G STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WINO MEASURED AT: 175.0 FEET WIND THRESNOLD AT:

.75 MPH JOINT FREQUENCY DISTRl8Ufl0N OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (MPN)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW WW WNW TOTAL CALM 0

.76-3.50 9

8 to 5

9 10 9

7 15 15 22 13 25 18 13 7

195 3.51-7.50 19 10 9

5 3

12 5

6 5

6 13 20 37 94 22 24 290 7.51-12.50 2

1 0

1 2

1 2

0 2

0 3

4 2

29 7

6 62 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 30 19 19 11 14 23 16 13 22 21 38 37 64 141 42 37 547 STABILITY CLASS ALL STABILITY BASED ON: DELTA T BETWEEN 175.0 AMD 30.0 FEET WIND MEASURED AT: 175.0 FEET WINO THRESNOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT175.00 FEET SPEED (NPM)

N NME NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW WW NNW TOTAL CALM 91

.76-3.50 53 63 75 70 71 49 61 55 65 65 64 58 74 82 60 40 1005 3.51 7.50 1 78 138 1 74 245 188 101 100 101 146 199 241 192 221 422 211 161 3018 7.51 12.50 137 95 112 126 230 125 66 101 252 250 131 139 214 395 316 142 2831 12.51 18.50 56 27 18 32 58 45 11 32 43 87 30 33 124 297 270 94 1257 18.51-24.00 2

0 16 5

9 2

0 8

4 5

4 14 41 85 101 17 313

>24.00 0

0 4

7 1

0 2

0 3

1 1

7 24 33 33 3

119 TOTAL 426 323 399 485 557 322 240 297 513 607 471 443 698 1314 991 457 8554 4

1 J

R m__-,m,m,m._

r m

--m

l 2/$6/1993 PAGE 66 VIME OF DAT: 13:66:SF PROGRAM: JFD VERSION: PC 1.1 Linierick Generating Station - JFD 175-ft LEVEL - January through December 1992 l

SITE IDENTIFIER:

DATA PERIOD EXAMINED: 1/ 1/92 12/31/92

      • ANNUAL ***

STA81LITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND TNRESNOLD AT:

.75 MPN TOTAL NUMBER OF OBSERVATIONS: 8784 TOTAL NUMBER OF VALID OBSERVATIONS: 8554 TOTAL NUMBER OF MISSING 08SERVATIONS: 230 PERCENT DATA RECOVERY FOR TNIS PERIOD: 97.4 %

MEAN WINO SPEED FOR TNIS PERIOD:

8.9 MPN TOTAL NUMBER OF OBSERVATIONS WITN BACKUP DATA:

0 PERCENTAGE OCCURRENCE OF STABILITT CLASSES A

B C

D E

F G

6.22 4.52 5.76 39.89 28.05 9.17 6.39 DISTRIBUTION OF WIND DIRECTION VS STABILITY N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW NW NNW CALM A

16 7

2 5

5 11 9

6 23 72 45 57 93 91 67 23 0

8 20 8

5 8

8 9

10 3

16 35 24 17 42 69 89 24 0

C 29 16 6

19 30 13 7

17 30 51 26 19 46 64 87 33 0

D 184 142 202 276 349 154 102 143 232 193 109 111 194 450 403 168 0

E 104 100 141 142 127 90 74 92 159 204 163 134 177 342 223 116 11 i

F 43 31 24 24 24 22 22 23 31 31 66 68 82 157 80 56 0

G 30 19 19 11 14 23 16 13 22 21 38 37 64 141 42 37 0

TOTAL 426 323 399 485 557 322 240 297 513 607 471 443 698 1314 991 457 11 i

1 4

__ - _ _. - - ~ _. _ _ _, -

w

-e-e

--,.--..,.e

-,~-.'w

.,----m

'l l

i l

l t

-?

1992 SECOND SEMIANNUAL JOINT FREQUENCY DISTRIBUTION (JFDS) 30-FOOT LEVEL l

1

.I i

1

PAGE 2

PROGRAM: JFD VERSION: PC 1.1 Limerick Generating Station - JFD 30 FT LEVEL - July throug cewber 1992 a

SITE IDENTIFIER:

DATA PERICO EXAMINED: 7/ 1/92 - 12/31/92

      • JUL DEC 1992 ***

STABILITY CLASS A STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESNOLD AT:

.75 MPH JOINT FREQUENCY DISTRiOUTION OF WIND SPEED AND DIRECTION IN MOURS AT 30.00 FEET

+

SPEED 4

(MPN)

N NNE NE ENE E

ESE SE SSE 5

SSW SW WSW W

WNW W

NNW TOTAL 4

CALM 0

.76 3.50 1

0 0

0 0

0 1

1 1

5 2

2 1

0 0

0 14 3.51-7.50 4

4 0

1 2

3 3

2 5

17 20 25 41 16 13 5

161 7.51 12.50 3

2 1

3 1

2 0

0 2

13 2

5 20 18 12 5

89 j

12.51 18.50 0

0 0

0 0

0 0

0 0

0 0

0 2

3 7

0 12 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 8

6 1

4 3

5 4

3 8

35 24 32 64 37 32 10 276 STABILITT CLASS B STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET j

WIND MEASURED AT: 30.0 FEET WIND THRESNOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (MPN)

N NNE NE ENE E

ESE SE

$$E S

SSW SW WSW W

WNW W

NNW TOTAL 1

CALM 0

.76-3.50 0

0 0

0 0

0 0

0 0

4 1

2 7

2 1

0 17 3.51 ?.50 5

2 3

1 2

5 0

2 6

9 10 12 11 to 13 4

95 t

7.51 12. 0 0

0 0

2 0

0 3

0 2

9 1

1 12 12 18 5

65 4

i 12.51 18.50 0

0 0

0 0

0 0

0 0

1 0

0 2

4 7

0 14 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 5

2 3

3 2

5

.3 2

8 23 12 15 32 28 39 9

191 1

1 3

-- a

-. wn..

.-__n--,,>

.e orm,+

-e

..--.---,_w.._

PAGE 3

PROGRAM: JFD YERSION: PC-1.1 Limerick Generating Station - JFD 30 FT LEVEL - July through Decewber 1992 SITE IDENTIFIER:

DATA PERIOD EMAMINED: 7/ 1/92 - 12/31/92

      • JUL - DEC 1992 ***

STABILITY CLASS C STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WINO MEASURED AT: 30.0 FEET WINO THRESNOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (MPM)

N NME NE ENE E

ESE SE SSE S

SSW SW WsW W

WWW NW NNW TOTAL CALM 0

.76-3.50 0

0 1

0 1

0 2

1 8

3 7

11 3

1 0

1 39 3.51 7.50 8

3 0

5 4

1 4

2 7

8 8

7 15 11 12 6

101 7.51 12.50 0

0 1

1 0

0 0

0 2

4 0

0 3

14 8

2 35 12.51 18.50 1

0 0

0 0

0 0

0 0

1 0

0 1

5 2

0 to i

18.51-24.00 0

0 0

0 0

0 0

0 0

0 0

0 1

1 3

0 5

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

TOTAL 9

3 2

6 5

1 6

3 17 16 15 18 23 32 25 9

190 STABILITY CLASS D j

STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WINO MEASURED AT: 30.0 FEET WIND THRESNOLD AT:

.75 MPH JOINT FREQU'NCY DISTRIBUTION OF WIND SPEED AND OIRECTION IN NOURS AT 30.00 FEET SPEED (MPN)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW WW WWW TOTAL CALM 3

.76-3.50 13 16 23 23 17 12 11 10 17 39 59 42 37 21 14 10 364 3.51-7.50 50 42 69 62 66 22 17 38 49 52 22 40 32 58 41 30 690 4

4 7.51 12.50 13 8

7 1

26 3

2 6

13 20 2

4 26 60 39 31 261 12.51 15.50 1

0 11 4

2 0

2 6

2 0

0 0

2 27 11 3

71 1

18.51-24.00 0

0 0

5 0

0 0

0 0

0 0

0 0

8 3

0 16

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

TOTAL 77 66 113 95 til 37 32 60 81 til 83 86 97 174 108 74 1405 l

i i

9 4

i

?

PAGE O

PROGRAM: JFD VERSION: PC-1.1 Limerick Generating Station - JFD 30 FT LEVEL - July through Decc h r 1992 StiE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/92 - 12/31/92

      • JUL - DEC 1992 ***

STABILITY CLASS E STABILifY 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 OF WIND SPEED AND DIRECilDN IN HOURS AT 30.00 TEET SPEED (MPM)

N NNE NE ENE E

ESE SE SSE S

$$W SW WSW W

WWW NW NWW TOTAL CALM 26

.76-3.50 12 12 13 17 20 27 26 19 35 87 1 05 104 91 41 24 11 644 3.51-7.50 19 37 15 27 23 15 19 28 80 59 25 34 54 91 34 27 587 7.51 12.50 1

4 6

7 2

4 6

5 7

9 4

4 7

38 14 5

123 12.51-18.50 0

0 0

2 8

1 0

2 1

0 1

0 0

3 0

0 18 18.51-24.00 0

0 1

0 0

0 0

0 0

0 0

0 0

0 0

0 1

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

total 32 53 35 53 53 47 51 54 123 155 135 142 152 1 73 72 43 1399 ST*BILITY CLASS F STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESHOLD AT:

.75 MPM JOINT FRE0VENCY DISTRIBUTION OF WIND SPEED AND DIRECil0N IN HOURS AT 30.00 FEET SPEED (MPM)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW WW NNW TOTAL CALM 38

.76-3.50 7

1 1

4 10 8

11 14 24 51 107 69 72 34 9

3 425 3.51-7.50 0

3 2

1 5

4 2

3 2

8 5

2 4

12 3

1 57 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 T

4 3

5 15 12 3

17 26 59 112 71 76 46 12 4

520 e

PAGE 5

PROGRAM: JFD VERSION: PC 1.1 Limerick Generating Station JFD 30 FT LEVEL - July through December 1992 SITE IDENTIFIER:

DATA PERIOD EKAMINED: 7/ 1/92 12/31/92

      • JUL DEC 1992 ***

STABILITY CLASS G STABILITY SASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESNOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 30.00 FEET SPEED (MPH)

N WNE NE ENE E

ESE SE

$$E SSW SW WSW W

WNW NW NNW TOTAL CALM 46

.76 3.50 2

0 1

2 4

10 5

6 28 45 82 47 29 17 1

4 283 3.51 7.50 0

0 0

1 2

0 0

0 0

0 0

0 1

1 0

0 5

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 2

0 1

3 6

10 5

6 28 45 82 47 30 18 1

4 334 STABILITY CLASS ALL STABILITY SASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 30.0 FEET WIND THRESHOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND OIRECTION IN HOURS AT 30.00 FEET SPEED (MPH)

N WNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW kW NNW TOTAL CALM 113

.76-3.50 35 29 39 46 52 57 53 51 113 234 363 2 77 240 116 49 29 1786 3.51-7.50 86 91 89 98 104 50 45 75 149 153 90 120 158 199 116 73 1696 l

T.51-12.50 17 14 15 14 29 9

11 11 26 55 9

14 68 142 91 48 573 12.51 18.50 2

0 11 6

10 1

2 8

3 2

1 0

7 42 27 3

125 t

18.51 24.00 0

0 1

5 0

0 0

0 0

0 0

0 1

9 6

0 22 J

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

i total 140 134 155 169 195 117 114 145 291 444 463 411 4 74 - 508 289 153 4315 I

9 1

i L-

PCGE 6

PROGRAM: JFD VERSION: PC-1.1 Limerick Generatin8 Station - JFD 30 FT LEVEL July through December 1992 i

SITE IDENTIFIER:

DATA PERIOD EXAMlWED: 7/ 1/92 - 12/31/92

      • JUL - DEC 1992 ***

l STABILITY BASED 04: DELTA T BETWEEN 175.0 AND 30.0 FEET I

WIND MEASURED AT: 30.0 FEET WIND THRESNOLD AT:

.75 MPH TOTAL NUMBER OF OBSERVATIONS: 4416 I

TOTAL NUMBER OF VAllD OBSERVATIONS: 4315 TOTAL NUMBER OF MISSING OBSERVATIONS:

101 PERCENT DATA RECOVERY FOR TMIS PERIOD: 97.7 %

MEAN WIND SPEED FOR THIS PERIOD:

4.8 MPM i

NUMBER 08 OBSERVATIONS WITH BACKUP WIND SPEED:

20 NUMBER OF 08SERVATIONS WITH BACKUP WIND DIRECTION:

17 NUMBER OF 08SERVATIONS WITH BACIC.* STA81LITY:

27 TOTAL NUMBER OF OBSERVATIONS WITH 8ACKUP DATA:

47 PERCENTAGE OCCURRENCE OF STABILITY CLASSES A

B C

D E

F G

6.40 4.43 4.40 32.56 32.42 12.05 7.74 DISTRIBUTION OF WIND DIRECTION VS STABILITY M

NME NE ENE E

ESE

' SE

$$E S

$$U SV WSW W

WNW NW NNW CALM A

8 6

1 4

3 5

4 3

8 35 24 32 M

37 32 10 0

8 5

2 3

3 2

5 3

2 8.

23 12 15 32 28 39 9

0 C

9 3

2 6

5 1

6 3

17 16 15 18 23 32 25 9

0-D 77 66 110 95 111 37 32 60 81 111 83 86 97 1 74 108 74 3

4 i

E 32 53 35 53 53 47 51 54 123 155 135 142 152 1 73 72 43 26 i

F 7

4 3

5 15 12 13 17 26 59 112 71' 76 46 12 4

38 i

G 2

0 1

3 6

10 5

6 28 45 82 47 30 18 1

4 46 TOTAL 140 134 155 169 195 117 114 145 291 444 463 411 4 74 508 289 153 113 1

4 a

3 l

l 1

a

i l

i l

l l

l 1992 SECOND SEMIANNUAL 1

JOINT FREQUENCY DISTRIBUTION OFDS) 175-FOOT LEVEL l

I i

1 l

1

l j.

PAGE 2

PROGRAM: JFD VEQSION: PC 1.1 Limerick Generating Station JFD 175-ft LEVEL - July through December 1992 l

SITE IDENTIFIER:

1 DATA PERIOD EXAMINED: 7/ 1/92 - 12/31/92

      • JUL - DEC 1992 ***

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 MOURS AT 175.00 FEET SPEED (MPM)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW NW NNW TOTAL CALM 0

76-3.50 0

0 0

0 0

1 1

0 1

0 1

0 1

0 1

0 6

3.51 7.50 3

1 0

1 3

5 1

3 2

5 13 7

to 10 4

5 73 7.51 12.50 3

5 1

3 1

4 0

1 5

13 4

18 29 to 15 5

117 t

12.51-18.50 3

1 1

0 0

0 0

0 0

10 2

6 17 14 9

4 67 18.51-24.00 0

0 0

0 0

0 0

0 0

0 0

0 1

3 5

0 9

t

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

TOTAL 9

7 2

4 4

10 2

4 8

28 20 31 58 37 34 14 272 t

STABILITY CLASS 8 STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET j

WIND THRESMOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN MOURS AT 175.00 FEET SPEED (MPM)

N NME NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW NW NWW TOTAL CALM 0

76-3.50 1

0 1

0 0

0 1

0 1

0 0

0 1

2 0

1 8

3.51-7.50 1

2 2

2 2

0 1

0 4

4 9

4 7

9 7

2 56 7.51-12.50 5

0 1

2 0

2 3

1 2

10 3

3 7

7 14 6

66 3

12.51-18.50 1

0 0

0 0

0 1

0 0

6 1

1 9

10 11 7

47 18.51 24.00 0

0 0

0 0

0 0

0 0

1 0

0 0

5 4

1 11 s

]

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

1 0

0 1

i TOTAL 8

2 4

4 2

2 6

1 7

21 13 8

24 34 36 17 189 l

3 e

PAGE 3

PROGRAM: JFD VERSION: PC 1.1 Limerick Generating Stetton - JFD 175 ft LEVEL July through Dece d er 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/92 - 12/31/92

      • JUL - DEC 1992 ***

STA81LITY CLASS C i

STAstLITY 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 WIND SPEED AND DIRECTION IN HOURS AT 175.00 FEET SPEED (MPM)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW WW WNW TOTAL CALM 0

.76 3.50 0

1 0

0 1

1 0

2 1

3 0

3 3

3 1

1 20 3.51 7.50 6

6 0

5 3

1 2

1 8

4 4

3 8

6 6

3 66 7.51 12.50 3

1 0

2 0

1 1

2 3

8 5

4 8

5 14 4

61 12.51 18.50 1

0 1

0 0

0 0

0 0

4 0

0 3

13 4

2 28 18.51-24.00 1

0 0

0 0

0 0

0 0

1 0

0 0

4 2

0 8

5

>24.00 0

0 0

0 0

0 0

0 0

0 0

0 0

2 4

0 6

[

TOTAL 11 8

1 7

4 3

3 5

12 20 9

10 22 33 31 10 189 STA81LITT CLASS D STABILITY BASED 04: DELTA T BETWEEN 175.0 AND 30.0 TEET 1

WIND MEASURED AT: 175.0 FEET 4

WINO THRESHOLD AT:

.75 MPH J0lNT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 175.00 FEET 4

SPEED i

(MPH)

N NME NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW W

NW TOTAL l

CALM 0

i

.76 3.50 8

15 22 9

13 7

6 4

5 9

9 7

8 14 8

11 155 3.51-7.50 32 49 68 58 47 13 8

9 15 22 26 18 11 25 28 17 446 i

7.51-12.50 30 29 38 18 49 20 15 25 50 46 17 26 26 38 49 18 494 4

12.51 18.50 18 9

6 1

5 15 0

1 8

22 4

4 16 38 48 18 213 18.51 24.00 1

0 7

2 2

0 0

3 3

0 0

0 0

12 16 1

47

]

>24.00 0

0 4

6 1

0 2

0 2

0 0

0 0

14 8

0 37 TOTAL 89 102 145 94 IIT 55 31 42 83 99 56 55 61 141 157 65 1392 i

i 1

-.y

PAGE 4

[

PROGRAM: JFD VERSION: PC-1,1 Limerick Generating Stetton - JFD 175-ft LEVEL - July through Decenber 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/92 - 12/31/92

      • JUL - DEC 1992 ***

STABILITY CLASS E STABILITT BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WINO MEASURED AT: 175.0 FEET WIND THRESHOLD AT:

.75 MPH d

JOINT FREQUENCY DISTRIBUTION OF WINO SPEED AND DIRECil04 IN HOURS AT 175.00 FEET 3

SPEED

}

(MPH)

N WWE WE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW WNU TOTAL CALM 0

.76 3.50 13 13 18 18 14 7

8 9

4 3

10 11 11 18 to 3

170 3.51-7.50 25 14 28 30 33 17 18 21 18 49 35 43 41 70 29 31 502 7.51 12.50 23 26 21 9

20 24 4

12 51 69 34 17 43 81 60 29 523 12.51-18.50 6

13 6

6 1

4 4

7 19 12 8

5 8

37 27 6

169 18.51-24.00 0

0 0

1 4

2 0

2 0

2 2

1 2

2 2

0 20

>24.00 0

0 0

1 0

0 0

0 1

0 1

0 0

1 0

0 4

TOTAL 67 66 73 65 72 54 34 51 93 135 90 77 105 209 128 69 1388 t

i STABILITY CLASS F 4

STABILITY BASED 04: DELTA T BETWEEN 175.0 AND 30.0 FEET WIW MEASURED AT: 175.0 FEET WIND THRESHOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 175.00 FEET a

SPEED (MPH)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WWW WW NNW TOTAL CALM 0

.76-3.50 9

3 6

8 8

4 7'

9 7

9 6

6 7

12 11 5

119 3.51* 7.50 21 7

3 6

8 1

6 8

5 6

23 24 29 75 35 20

-277 7.51-12.50 2

5 6

2 2

2 4

0 4

4 11 13 10 23 12 5

105 12.51 18.50 0

0 0

0 0

0 0

0 1

0 1

0 2

1 1

1 7

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

1 TOTAL 32 17 15 16 18 7

17 17 17 19 41 43 48 III 59 31 508 i

m (L.

.-...------.....m

.._.-,..m_.,.... _

,_.+,_,,..,._.m 1,,_. _,

PAGE 5

PROGRAM: JFD VECSION: PC-1.1 Limerick Generating Stetton - JFD 175 ft LEVEL - July through Decester 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/92 - 12/31/92 JUL - DEC 1992 ***

STA8ILITY CLASS G STABILITY 8ASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND THRESNOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 175.00 FEET SPEED (MPH)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NWW TOTAL CALM 0

.76-3.50 6

7 6

2 4

4 4

5 5

8 11 to 18 11 11 4

116 3.51 7.50 12 6

6 4

2 8

2 1

4 4

10 13 21 57 16 14 180 7.51-12.50 2

0 0

1 1

0 1

0 2

0 3

4 1

7 6

3 31 12.51 18.50 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

0 0

2 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

i total 20 13 12 7

7 12 7

6 11 12 24 27 40 75 33 21 327 STABILITY CLASS ALL STABILITY BASED ON: DELTA T BETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WINO THRESHOLD AT:

.75 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 175.00 FEET SPEED (MPH)

N NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW TOTAL CALM

}

0

.76-3.50 37 41 53 37 40 24 27 29 24 32 37 37 49 60 42 25 594 3.51 7.50 100 85 107 106 98 45 38 43 56 94 120 112 127 252 125 92 1600 7.51 12.50 68 66 67 37 73 53 28 41 117 150 77 85 124 171 170 70 1397 i

12.51 18.50 29 23 14 7

6 19 5

8 28 54 16 16 55 113 100 38 531 18.51 24.00 2

0 7

3 6

2 0

5 3

4 2

1 3

26 29 2

95

>24.00 0

0 4

7 1

0 2

0 3

0 1

0 0

18 12 0

48 total 236 215 252 tot 224 143 100 126 231 334 253 251 358 640 4 78 227 4265 1

W

, - - - - ~ -, _ _ -

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PAGE 6

PROGRAM: JFD VER$10N: PC 1.1 Limerick Generatin8 Station JFD 175-ft LEVEL - July through Decenber 1992 SITE IDENTIFIER:

DATA PERIOD EXAMINED: 7/ 1/92 - 12/31/92 JUL DEC 1992 ***

STABILITY OASED ON: DELTA T SETWEEN 175.0 AND 30.0 FEET WIND MEASURED AT: 175.0 FEET WIND TNRESNOLD AT:

.75 MPH TOTAL NUNBER OF OBSERVATIONS: 4416 TOTAL NUMBER OF VALID OOSERVATIONS: 4265 TOTAL NUMBER OF MISSING OBSERVATIONS:

151 PERCENT DATA RECOVERY FOR THIS PERIOD: 96.6 1 MEAN WIND SPEED FOR THIS PERIOD:

8.2 MPN TOTAL NUMBER OF OBSERVATIONS WITH BACKUP DATA:

0 PERCENTAGE OCCURRENCE OF STABILITY CLASSES A

B C

D E

F G

6.38 4.43 4.43 32.64 32.54 11.91 7.67 4

DISTRIBUTIf*4 0F WIND DIRECTION VS STABILITY N

NME WE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW CALM A

9 7

2 4

4 10 2

4 8

28 20 31 58 37 34 14 0

8 8

2 4

4 2

2 6

1 7

21 13 8

24 34 36 17 0

C 11 8

1 7

4 3

3 5

12 20 9

to 22 33 31 10 0

D 89 102 145 94 117 55 31 42 83 99 56 55 61 141 157 65 0

E 67 66 73 65 72 54 34 51 93 135 90 77 105 209 128 69 0

F 32 17 15 16 18 7

17 17 17 19 41 43 48 111 59 31 0

G 20 13 12 7

7 12 7

6 11 12 24 27 40 75 33 21 0

1 TOTAL 236 215 252 197 224 143 100 126 231 334 253 251 358 640 478 227 0

1 I

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