ML19350A916

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Fog & Rime Ice Monitoring Program Summary,1980
ML19350A916
Person / Time
Site: LaSalle  Constellation icon.png
Issue date: 03/11/1981
From:
COMMONWEALTH EDISON CO.
To:
Shared Package
ML19350A917 List:
References
NUDOCS 8103170468
Download: ML19350A916 (10)
v • d • e


Text

_

00 N

O Fog and Rime Ice Monitoring Program Summary LaSalle Cour.ty Cencrating Station N

Incidence of Fog / Rime Ice Forination e

During 1980 9

249 Days of observations Fcg/ Rise Ice Visibility in Feet (less than Ob arvations Wind 1/4 mile) at Observation Points D-t-Time Direction 1

2 3

4 5

6 7

8 9

Remarks 1-16 4:Or.?

171*

200*

1300 1300 1300 Pond frozen 2-20 6:30A 234' 500 500 200*

500 500 500 Pond 90% frozen 2-21 5:30A 90*

500 1000 1000*

1000 1000 Pond 90% frozen 5-19 7:00A 31*

200*

200*

200 200 200 300 300 300 250*

Dense fog 5 mi. east C-11 7:20A 240*

1400 1400 1400 1000 1000*

1000 700*

800 800 of plant C-1D 7:07A 332' 800*

700 650 800 700 650 700*

750 700 Fog in entire area 8-28 7:06A 600 800 800 800 600 600 600 800 800 9-05 7:15A 71*

1300 700 700 750 12-01 4:30P 72*

800 800 800 800 800 Raining 12-31 7:00A 315*

1000 1000 1000 1000 1000 1000 1000 1000 1000*

  • Derotes Fog Formation Downwind of Cooling Pond
    • Wind direction indicator not working Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 1

3050- 820 4

900-1610 7

197 -3390 2

170- 850 5

90 -2400 0

8 278 -351 3

650-112*

6 1880-262 9

286 - 67 (Sie Map on Reverse Side)

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Sheet 1 ef 4 Fog and Rime Ice Monitoring Program Summary LaSalle County Generating Station Incidence of Fog / Rime Ice Formation First Quarter,198_0

_fl Days of Observations Frg/ Rime Ice Visibility in Feet (less than Obs rvations Wind 1/4 mile) at Observation Points Date Time Direction 1

2 3

4 5

6 7

8 9

Remarks 4

1-15 4:00P 126' Pond frozen 1-16 4200P 171*

200*

1300 1300 1300 1-17 4:00P 270*

2-20 5:30A 234' 500 500 200*

500 500 Pond 90% frozen 2-20 4:00P 90*

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500 1000 1000*

1000 1000

. 2-21 4500P 81*

2-22 5:30A 288*

Pond 80% frozen 3-17 5:45A 342' 3-23 7:10A 63*

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

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 1

3050- 820 4

900-1610 7

197 -339 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)

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Shest 2 cf 4 Fog and Rime Ice Monitoring Program Summary LaSalle County Generating Station Incidence of Fog / Rime Ice Formation Second Quarter, 198_O 62 Days of Observationa Frg/ 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 4-2 5:55A 40' Patches of fog 4-3 6:50A 135' Light fog 4-29 6:45A 355' Fog over Pond only 4-30 6:35A 378*

Light fog 5-1 6:45A 72*

Spots of Grtund Fog 5-2 6:40A 196 N!d 5-13 6:52A 54*

Light fog 5-19 7 OOA 31*

200*

200*

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5-21 6:55A 354' Light fog

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5-29 6:45A 110*

6-25 7:OOA 135' Light fog o Denotes Fog Formation Downwind of Cooling Pond Oba.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 1

3050- 820 4

900-1610 7

197 -339 0

2 270- 850 5

90 -2400 8

278 -351 3

650-112 6

1880-262 9

286 - 67 (Sce Map on Reverse Side)

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Sh ot 3 cf 4 Feg and Rime Ice Monitoring Program Sununary LaSalle Count.y Generating Station Incidence of Fog / Rime Ice Formation Third Quarter, 198_

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 7-23 6:30A 86*

Light Ground Fog Dense fog 5 mi. East C-11 7:20A 240*

1400 1400 1400 1000 1000* 1000*

700*

800 800 of Plant C-15 7:30A 90*

Light fog 8-10 7:07A 332*

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700 Fog in entire area indicato r 8-28 7:06Aout of o rdet400 800 800 800 600 600 600 800 800 9-05 7:15A 71*

1300 700 700 750 o Denotes Fog Formation Downwind of Cooling Pond Obs.Pt.

Dir. Span Obs.Pt.

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Dir. Span 1

3050- 820 4

900-1610 7

197 -3390 2

270- 850 5

0 90 -240 8

278 -351" 3

65 -112 6

1880-262 9

286 - 67 (Sie Map on Reverse Side)

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Fog and Rime Ice Monitoring Program Susanary laSalle County Generating Station Incidence of Fog / Rime Ice Formation Fourth Quarter, 198_

61_ Days of observations F g/ 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 10-15 7:00A 45*

Heavy fog over lake Light fog N&E of sito 10-16 6:58A 192*-

Heavy fog over lake 11-26 7:15A 144' Light fog 12-01 fe 30P 72*

800 800 800 800 800 Raining 12-05 7:00A 130*

Light fog 12-31 7:00A 315*

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  • Derotes Fog Formation Downwind of Cooling cond Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span Obs.Pt.

Dir. Span 1

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900-161 7

197 -3390 0

2 270- 850 5

90 -240 8

278 -351 3

650-112 6

1880-262 9

286 - 67 l

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