FNUS76 KSTO 141312
FWSSTO

SPOT FORECAST FOR LASSEN...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
612 AM PDT TUE AUG 14 2012

FORECAST IS BASED ON REQUEST TIME OF 0544 PDT ON AUGUST 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HOT WEATHER CONTINUES WITH A GRADUAL COOL DOWN BY THE WEEKEND.
MONSOONAL MOISTURE COULD BRING ISOLATED AFTERNOON AND EVENING
THUNDERSTORMS TO HIGHER ELEVATIONS EAST OF THE FIRE SITE TODAY
AND WEDNESDAY. RELATIVE HUMIDITY LEVELS ARE EXPECTED TO IMPROVE
SLIGHTLY TODAY AND TOMORROW DUE TO THE MONSOONAL MOISTURE BUT
OVERNIGHT RECOVERIES WILL STILL BE POOR (50% OR LESS). MODERATE
TO GUSTY WINDS POSSIBLE NEAR ANY THUNDERSTORM DEVELOPMENT...
OTHERWISE LIGHT TERRAIN DRIVEN WINDS WITH MODERATE GUSTS OVER
RIDGES.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.
MAX TEMPERATURE.....102-107.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT DOWNSLOPE WINDS UP TO 6 MPH THIS
                    MORNING SHIFTING TO THE WEST/UPSLOPE THIS
                    AFTERNOON AT 5 TO 10 MPH.
   RIDGETOP.........LIGHT WEST WINDS AROUND 7 MPH. LOCAL GUSTS
                    AROUND 12 MPH POSSIBLE.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......300 FT AGL INCREASING TO 12000-13000 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........WEST WINDS AROUND 7 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.
MIN TEMPERATURE.....70-75.
MAX HUMIDITY........40-47 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS 5 TO 10 MPH SHIFTING TO EASTERLY/
                    DOWNSLOPE WINDS UP TO 5 MPH AFTER MIDNIGHT.
   RIDGETOP.........SOUTHWEST 6 MPH.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......12000 FT AGL DECREASING TO 400-1200 FT AGL.
MIXING WINDS........SOUTHWEST 6 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.
MAX TEMPERATURE.....96-101.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT DOWNSLOPE WINDS BECOMING SOUTHWEST
                    5 TO 8 MPH IN THE AFTERNOON.
   RIDGETOP.........SOUTHEAST 5 MPH.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......400-500 FT AGL INCREASING TO 8700-9600 FT AGL.
MIXING WINDS........SOUTHEAST 5 MPH.


FORECASTER...JBB
REQUESTED BY...RICK MANSON  FC
REASON FOR REQUEST...WILDFIRE
.TAG 20120814.LASSE.01/STO

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