ML20040G336

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Fog & Rime Ice Monitoring Program summary,1981
ML20040G336
Person / Time
Site: LaSalle  
Issue date: 02/08/1982
From:
COMMONWEALTH EDISON CO.
To:
Shared Package
ML20040G335 List:
References
NUDOCS 8202120181
Download: ML20040G336 (11)
v • d • e


Text

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8202120181 820200 PDR ADOCK 05000373 R

PDR Fog and Rime len Monitoring Progrrm Summary LaSalle County Generating Station Incidence of Fog / Rime Ice Formation 248 Days of Observations During 1981 Fog / Rime Ice Visibility in Feet (less than

__Ob~rvations Wind 1/4 mile) at Observation Points Date Time Direction 1

2 3

4 5

6 7

8 9

Remarks 2-17 7:00p 205 Fon Density 400-600 feet in all dirt erions 2-18 7:15a 220 1200 1200 800 800 600*

800*

1000*

1100 800 Foe over entire aren 2-27 7:15a 12 6 Tce over n11 n r en n 4-30 7:15a 135 1000 800 1000*

1000 800 Ra in. drizzle 8-21 7:12a 72 1200*

1000*

Fo c 9-14 7:05a 280 200 200 225 250 250 250 250*

250*

250 Foc 10-05 7:05a 90 600 600 600*

600*

600 600 800 600 600 1 0- 08 7 : 08a 10 350*

350*

350 400 200 150 200 250 300*

10-15 6:45a 235 1200 1200 1000 1000 800*

600*

800 1200 1200 H ea vy fon over enttre are; 10-16 6:4 5a 230 1200 1200 1200 1200 1000*

300*

1000 1200 1200 Fon over entire area 11-04 7:12a 99 800 600 500 400*

400*

400 600 600 800 11-16 7:05a 250 800 800 800 600 600*

600*

800 800 800 Rime ice at Stations 3-9; 12-29 7:00a 275

<1"

<1"

<1"

< 1"

<1"

<1"

< 1" Light fon over aren 0 Denotes Fog Formation Downwind of Cooling Pond Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 1

3050- 820 4

900-161 7

197 -339 2

270- 850 5

90 -240 8

278 -351 3

65 -112 6

188o-262 9

286 - 67 i

(Sie Map on Reverse Side)

Page 1 of 2 Fog and Rime Ice Monitoring Program Summary LaSalle County Generating Station Incidence of Fog / Rime Ice Formation Fmtreh Quarter, 1981 62 Days of Observations Fog / Rime Ice Visibility in Feet (less than

_0bnervations Wind 1/4 mile) at Observation Points Date Time Direction 1

2 3

4 5

6 7

8 9

Remarks 10-05 7:05a 90 600 600 600*

600*

600 600 800 600 600 1 0- 08 7:08a 10 350*

350*

350 400 200 150 200 250 300*

10-15 6:45a 235 1200 1200 1000 1000 800*

600*

800 1200-1200 Heavy Fog over entire aret 10-16 6:45a 210 1700 1200 1200 1900 innn*

Ann

  • 1000 1700 1?nn Foc over ent ire aren 11-02 6:55a 90 Fog; Haze 11-03 4:10p 117 Haze 11-04 7:12a 99 800 600 500 400*

400*

400 600 600 800 11-16 7:05a 250 800 800 800 600 600*

600*

800 800 800 11-18 7:20a 124 Fog 11-23 4 :10p 115 Fog 11-30 7:12a 112 Light Fog 12-04 7:15a 324 Light Haze 12-21 4:00p 225 Ha z e, Light Fog

  • Denotes Fog Formation Downwit.d of Cooling Pond Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir Span 1

3050- 820 4

900-161 7

197 -339 2

270- 850 5

90 -2400 8

278 -351 3

650-112 6

1880-262 9

286 - 67 (Sre Map on Reverse Side)

Page 2 of 2 Fog and Rime Ica Monitoring Progrcm Summary LaSalle County Generating Station Incidence of Fog / Rime Ice Formation Fourth Quarter, 1981 l

62 Days of Observations Fog / Rime Ice Visibility in Feet (less than Obr +rvations Wind 1/4 mile) at Observation Points Date Time Direction 1

2 3

4 5

6 7

8 9

Remarks 12-29 7:00a 275 1"

<: 1"

<C 1"

<C 1"

<! 1"

<[ 1 "

<C 1" Rime Ice at stations 3-9, Light Fog over area 12-30 7:00a 189 Light Fog 1.

i i

  • Denotes Fog Formation Downwind of Cooling Pond Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span j]

1 3050- 820 4

900-161 7

197 -339 lI 2

270- 850 5

90 -2400 8

278 -351 3

650-112 6

188 -262 9

286 - 67 l~

(Ste Map on Reverse Side) l

Fog and Rime Ics Monitoring Progrcm Summary LaSalle County Generating Station Incidence of Fog / Rime Ice, Formation First Quarter, 198_1 61 Days of Observations i

Fcg/ Rime Ice Visibility in Feet (less than Ob-crvations Wind 1/4 mile) at Observation Points D'tn Time Direction i

2 3

4 5

6 7

8 9

Remarks 1-14 7:00a 297 Light Fog 1-21 7:00a 350 Fog over entire area 2-03 7:15a 261 Ice near discharge area *C 2-04 7:05a 306 Ice near discharge area *"

2-17 7:00a 205 Fog density 4( 'O to 60(

feet it all dir ections Fog over entire area 2-18 7:15a 220 1200 1200 800 800 600*

800*

1000*

1100 800 Fog over entire area 2-19 7:15a 225 Light Fog 2-27 7:15a 126 ice over all areas 3-04 4:06p 62 Light fog; drizzle 3-10 7:10a 315 Light Fog O Den:tes Fog Formation Downwind of Cooling Pond Ob 7. P t.-

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span

    • Rime ice on station site only: see 4

900-1610 1

3050- 820 7

197 -3390 i

0 2

270- 850 5

90 -240 8

278 -351 f

3 650-112" 6

1880-262 9

286 - 67 (Sea Map on Reverse Side)

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Fog cnd Rime Ice Monitoring Program Summary LaSalle County Generating Station Incidence of Fog / Rime Ice Formation Second Quarter, 1981 61 Days of Observations Fcg/ Rime Ice Visibility in Feet (less than Dburvations Wind 1/4 mile) at Observation Points 1

D,tn Time Direction 1

2 3

4 5

6 7

8 9

Recarka

l 4/13 7:05a 131 Linht fon 4/22 4:03p 190 Light fog 4/30 7:15a 135 1000 800 1000*

1000 800 Rain: drizzle 5/20 4:15p _.283 Light haze 5/21 7:10a 301 Light haze 5/22 7:10a 193 Light haze 5/28 6:55a 65 Light haze l

Light haze

)

6/03 6:30a 62 6/09 4:11p 65 Light fog 6/10 7:16a 62 Light haze

'i 6/12 7:20a 216 Fog i

t 0 Den::tes Fog Formation Downwind of Cooling Pond Ob% Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 1

3050- 820 4

900-1610 7

197 -3390 0

2 270- 850 5

90 -240 8

278 -351 3

650-112 6

1880-262 9

286 - 67 ii e>

(Sea Map on Reverne Side)

.._L

<._,.~_..-_-:___

\\

~

Fog and Rime I,ce Monitoring Program Surunary Page 1 of 2 LaSalle County Generating Station Incidence of Fog / Rime Ice Formation Th i r,i Quarter, 1981 64 Days of Observations Fog / Rise Ice Visibility in Feet (less than Observations Wind 1/4 mile) at Observation Points Date Time Direction 1

2 3

4 5

6 7

8 9

Remarks 7-02 6:55a 60" Light fog / haze 7-16 7:14a 27 Light fog 7-16 4:05p 351" Light fog 7-17 7:25a 72 Fog 7-20 7:13a 288 Fog / Rain 7-24 7:15a 110" Fog H-06 7:25a 315 Fog / Drizzle 8-20 6: 55a 63 Light Fog 8-21 7:12a 72" I200*

1000*

Fog 9-01 7:09.i 189" Light Fog 9-01 5:15p 133" Light Fog 4-02 7:10a 27" Light Fog 9-94 7:14a 342" Light Fog 0 Denotes Fog Formation Downwind of Cooling Pond Obn.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 0

1 1050- 82 4

900-161 7

197 -3390 0

0 2

270- 850 5

90 -2400 8

278 -351 3

65"-112 6

1880-262 9

286 - 67 (See Map on Reverse Side)

_- -- _ m

~.

s Fog and Rime Ice Monitoring Program Summary LaSalle County Generating Station Page 2 of 2 Incidence of Fog / Rime Ice Formation Third Quarter, 1981 64 Days of Observations Fog / Rime Ice Visibility in Feet (less than Observations Wind 1/4 mile) at Observation Points

__Date Time Direction 1

2 3

4 5

6 7

8 9

Remarks 9-14 7:05a 280" 200 200 225 250 250 250 250*

250*

250 Fog O Denotes Fog Formation Downwind of Cooling Pond Ob9.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 1

305"- 82" 4

900-161 7

197 -339 2

27o-85 5

90 -240 8

278 -351 3

65"-112 6

1880-262 9

286 - 67 (See Map on Feverne Side)

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