216
FNUS76 KMTR 121609
FWSMTR

Spot Forecast for LWCSFB Unit 1,2 Piles...Contra Costa County Fire
National Weather Service San Francisco CA
909 AM PDT Wed Mar 12 2025

Forecast is based on ignition time of 1000 PDT on March 12.
If conditions become unrepresentative, contact the National Weather
Service.

...WIND ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING...

.DISCUSSION...Postfrontal rain continues over the region this
morning before the main front moves through the East Bay early
this afternoon. Chances for wetting rains today will be near 100%
with winds increase ahead of and along the frontal boundary.
Winds could gust up to 55 mph out of the south. Post frontal rain
showers and/or thunderstorms (10-20%) are expected tonight and
into Thursday morning.

.REST OF TODAY...

Sky/weather.........Cloudy. Chance of rain late in the morning,
                    then rain showers and slight chance of
                    thunderstorms in the afternoon.
Max temperature.....56-60.
Min humidity........76-80 percent.
Wind (20 ft)........Very windy. South winds 36 to 49 mph with gusts
                    to around 55 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
CWR.................99 percent.
Chance of thunder...5 percent.
Mixing height.......3200 ft AGL.
Transport winds.....South around 34 mph.
Marine layer........None.

.TONIGHT...

Sky/weather.........Mostly cloudy. Rain showers and slight chance
                    of thunderstorms in the evening, then rain
                    likely overnight.
Min temperature.....38-42.
Max humidity........87-91 percent.
Wind (20 ft)........Breezy. Southwest winds 22 to 28 mph decreasing
                    to 14 to 18 mph overnight. Gusts up to 31 mph.
                    Gusty and erratic winds expected near
                    thunderstorms in the evening.
CWR.................84 percent.
Chance of thunder...16 percent.
Mixing height.......500 ft AGL.
Transport winds.....Southwest around 16 mph.
Marine layer........None.

.THURSDAY...

Sky/weather.........Mostly cloudy. Rain likely in the morning, then
                    chance of rain in the afternoon.
Max temperature.....53-57.
Min humidity........53-57 percent.
Wind (20 ft)........West winds 14 to 22 mph with gusts to around 18
                    mph.
CWR.................25 percent.
Chance of thunder...13 percent.
Mixing height.......5900 ft AGL.
Transport winds.....West around 18 mph.
Marine layer........None.

$$
Forecaster...R_GASS
Requested by...Aaron Brunton
Type of request...PRESCRIBED
.TAG 2505081.2/MTR
.DELDT 03/12/25
.FormatterVersion 2.0.0
.EMAIL dwood@cccfpd.org,abrun@cccfpd.org,rshaw@cccfpd.org