ML20010B601

Fog & Rime Ice Monitoring Program Summary for First & Second Quarter 1981.Maps Encl

ML20010B601
Person / Time
Site:	LaSalle
Issue date:	03/31/1981
From:	COMMONWEALTH EDISON CO.
To:
Shared Package
ML20010B600	List: ML20010B599 ML20010B601
References
NUDOCS 8108170312
Download: ML20010B601 (4)

Text

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eq 3 Fog and Rime Ice Monitoring Program Summary

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LaSalle County Cencrating Station .

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o Incidence of Fog / Rime Ice, Formation Ub First Quarter, 1981 oo '~

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Fog / Rime Ice Visibility in Feet (less than Dburvations Wind 1/4 mile) at Observation Points Date Time Direction 1 2 3 4 5 6 7 8 9 Remarks 1-14 7:00a 297 Light Fog 1-21 7:00a 350 Fog over entire ares 2-03 7:15a 261 Ice near discharge area *'

2-04 7:05a 306" #-

Ice neat discharge area * '

2-17 7:00a 205 Fog di'nsity 4t '0 to 60( feet ir all dit 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

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2-27 7:15a 126 Ice over all areas 3-04 4:06p 62

• Light tog; drizzle 3-10 7:10a 315

• Light Fog O Denotes Fog Formation Downwind of Cooling Pond

• Oba.Pt. Dir. Span Obs.Pt. Dir. Span Obs.Pt. Dir. Span ** Rime ice on station site only: see 3050- 0?O r m rse s e r exact ca d on .

1 4 900-1610 7 1970 -339o  ;

2 270- 850 5 900-240 8 278 -351 .'-

3 650-1120 6 1880-262 9 286 - 67* I (See Map on Reverse Side) - - _ _ - - _ _ _ - _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _

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Fog and aime Ice Monitoring Progren Summary LoSalle County Generating Station Incidence of Fog / Rime Ice Formation Second Quarter, 1981 61 Days of Observations Fog / Rime Ice Visibility in Feet (less than Obrsrvations Wind 1/4 mile) at Observation Points D+te Time Direction 1 2 3 4 5 6 7 8 9 Pemarks 4/13 7:05a 131 Light fog 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 6/03 6:30a 62 Light haze 6/09 4:11p 65 Light fog 6/10 7:16a 62 Light haze 6/12 7:20a 216 Fog i

• 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 -3390 2 270- 850 5 900-240 8 2780 -351 3 650-112 6 1880-262" 9 286 - 67 (See Map on Reverse Side)

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