567
FNUS76 KMTR 201153
FWSMTR

Spot Forecast for Castle Hill Pile Burn...Contra Costa County Fire Protection District
National Weather Service San Francisco CA
453 AM PDT Mon May 20 2024

Forecast is based on ignition time of 1000 PDT on May 20.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Quiet, dry weather continues through the end of the
forecast period. A slight warming trend will continue through
Wednesday with daytime temperatures in the low to mid 80s. High
temperatures will peak in the mid 80`s on Tuesday before a slight
cooling trend starts midweek. Overnight clear conditions are
expected Monday into Tuesday as a nearly mixed out marine layer
keeps low clouds confined along the coast. Fair daytime humidity
retention on Monday and fair overnight humidity recovery Monday
into Tuesday. Daytime humidity retention becomes poor by Tuesday
as drier, warmer surface conditions develop. Gustier winds develop
during the afternoon Monday and Tuesday with occasional gusts
between 15 to 20 mph possible.

.REST OF TODAY...

Sky/weather.........Sunny.
Max temperature.....75-79.
Min humidity........31-35 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph. Gusts between 15
                    to 20 mph during the afternoon.
CWR.................0 percent.
LAL.................1.
Mixing height.......4300 ft AGL.
Transport winds.....Northwest around 9 mph.
Marine layer........None.

.TONIGHT...

Sky/weather.........Clear.
Min temperature.....48-52.
Max humidity........71-75 percent.
Wind (20 ft)........Southwest winds 5 to 8 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......300 ft AGL.
Transport winds.....Southwest around 7 mph.
Marine layer........None.

.TUESDAY...

Sky/weather.........Sunny.
Max temperature.....80-84.
Min humidity........22-26 percent.
Wind (20 ft)........Northwest winds 5 to 7 mph. Gusts between 15
                    to 20 mph during the afternoon.
CWR.................0 percent.
LAL.................1.
Mixing height.......5500 ft AGL.
Transport winds.....North around 9 mph.
Marine layer........None.


$$
Forecaster...R_KENNEDY Requested by...Brandon Earhart Type of
request...PRESCRIBED .TAG 2414701.0/MTR .DELDT 05/20/24
.FormatterVersion 2.0.0 .EMAIL Bearh@cccfpd.org