ML20038B675

Fog & Rime Ice Monitoring Program Summary,Third Quarter, 1981.

ML20038B675
Person / Time
Site:	LaSalle
Issue date:	09/30/1981
From:	COMMONWEALTH EDISON CO.
To:
Shared Package
ML20038B670	List: ML20038B669 ML20038B675
References
NUDOCS 8112090011
Download: ML20038B675 (2)

Text

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. Fcg and Rime T.ce Monitoring Pr:grcn Summary * '/ Pegn 1 of 2 gF LaSalle County Generating Station +

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Q?' .r Incidence of' Fog / Rime Ice Formation

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@y , 64 Days of Objervations

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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 ,

7-02 6:55a 60 Light fog / haze 7-16 7:14a

- Light fog 7-16 4:05p _

Light fog 7-17 7:25a , Fog 7-20 7:13a { 288" Fog / Rain 7-24 7: 15a 110 Fog 8-06 7:25a 315 Fog / Drizzle 8 "O 6:55a 63 Light Fog T -21 7: 12a 72 1200* 1000* Fog 9-01 7:09a 189 Light Fog 9-01 5:15p 333 Light Fog 9-02 7:10a- 27 Light Fog

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9-04 7:14a 342 Light Fog f

• Denotes Fog Formation Downwind of Cooling Pond 1 Obs.Pt. Dir. Span Obs.Pt. Dir. Span Obs.Pt. Dir. Span ,

t 1 3050- 820 4 900-1610 7 197 -339o i 2 270- 850 5 900 -240" 8 278 -351 0 3 65o-112 6 1880-262" 9 286 - 67 (See Map on Reverse Side) .

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Fog ar ' Rime Ice Monitoring Pr:grna Summary '

taSalle County Generating Station Page 2 of 2- ..

Incidence of Fog / Rime Ice Formation Third Quarter, 198J, 64 Days of Observations l

Fog / Rime Ice Visibility in Feet (less than

,__Obs e rva tions Wind 1/4 mile) at Observation Pofnts Date Time

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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 ,

• Denotes Fog Formation Downwind of Cooling Pond Obs.Pt. Dir. Span Obs.Pt. Dir. Span Obs.Pt. Dir. Span 1 3050- 82 4 900-161 -7 197 -3390 2 270- 85 5 90 -2400 8 278 -351" 3 650-112 6 188 -262 9 286 - 67 (See Fbp on Reverse Side)