FNUS76 KSTO 210002
FWSSTO

SPOT FORECAST FOR H-1...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
502 PM PDT TUE AUG 20 2013

FORECAST IS BASED ON REQUEST TIME OF 1642 PDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THURSDAY...

.DISCUSSION...
A LOW PRESSURE SYSTEM OFF THE CENTRAL CALIFORNIA COAST WILL
GRADUALLY MOVE INLAND OVER NORTHERN CALIFORNIA THROUGH THURSDAY.
THIS SYSTEM WILL BRING A CONTINUING CHANCE OF THUNDERSTORMS TO
THE AREA. THE BEST COVERAGE FOR THUNDERSTORMS WILL BE WEDNESDAY
AFTERNOON THROUGH THURSDAY. ANY STORMS THAT PASS OVER THE FIRE
MAY CONTAIN GUSTY AND ERRATIC WINDS. THE CHANCE OF WETTING RAIN
WILL INCREASE OVER THE NEXT FEW DAYS.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. AN ISOLATED THUNDERSTORM OR TWO
                    IN THE EVENING...MOSTLY SOUTH OF THE FIRE TOWARDS
                    THE LASSEN AREA.
MIN TEMPERATURE.....61-66.
MAX HUMIDITY........55-65 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS UP TO 7 MPH IN THE EVENING BECOMING
                    LIGHT AFTER SUNSET.
   RIDGETOP.........NORTH WINDS 8 TO 12 MPH BECOMING VARIABLE UP TO 10
                    MPH BECOMING VARIABLE AFTER SUNSET.
CWR.................20 PERCENT.
LAL.................3.
MIXING HEIGHT.......9000-10000 FT AGL DECREASING TO 500-1000 FT AGL.
MIXING WINDS........LIGHT WINDS.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND
                    THUNDERSTORMS LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........20-30 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT WINDS BECOMING NORTHWEST UP TO 7 MPH IN
                    THE AFTERNOON. ERRATIC WINDS POSSIBLE NEAR
                    THUNDERSTORMS
   RIDGETOP.........VARIABLE WINDS UP TO 10 MPH. ERRATIC WINDS
                    POSSIBLE NEAR THUNDERSTORMS.
CWR.................60 PERCENT.
LAL.................4.
MIXING HEIGHT.......500-1000 FT AGL INCREASING TO 9000-10000 FT AGL.
MIXING WINDS........LIGHT WINDS.


FORECASTER...DVC
REQUESTED BY...KARL BRIGGS
REASON FOR REQUEST...WILDFIRE
.TAG 20130820.H1___.02/STO

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