443
FNUS76 KMTR 101200
FWSMTR

Spot Forecast for Castle Hill- Piles...Contra Costa County Fire
National Weather Service San Francisco CA
500 AM PDT Fri May 10 2024

Forecast is based on ignition time of 1000 PDT on May 10.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Light winds this morning will transition to northwesterly
and onshore this afternoon. Clear skies overnight will lead
to a nocturnal temperature inversion, limiting smoke dispersion
until the temperature increases in the late morning. Expect
modest humidity recoveries tonight, with slightly greater
daytime humidity tomorrow as onshore winds continue.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....85-89.
Min humidity........23-28 percent.
Wind (20 ft)........North-northwest winds 6 to 12 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......5300 ft AGL.
Transport winds.....North around 9 mph.
Marine layer........None.

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....52-56.
Max humidity........69-73 percent.
Wind (20 ft)........Southwest winds 5 to 9 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......300 ft AGL.
Transport winds.....Southwest around 8 mph.
Marine layer........None.

.SATURDAY...

Sky/weather.........Sunny.
Max temperature.....84-88.
Min humidity........30-36 percent.
Wind (20 ft)........West winds 6 to 10 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......3400 ft AGL.
Transport winds.....West around 8 mph.
Marine layer........None.

$$
Forecaster...S_MILLER
Requested by...David Woods
Type of request...PRESCRIBED
.TAG 2412637.5/MTR
.DELDT 05/10/24
.FormatterVersion 2.0.0
.EMAIL dwood@cccfpd.org