FNUS76 KSTO 202221
FWSSTO

SPOT FORECAST FOR VAN VLECK...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
321 PM PDT WED JUN 20 2012

FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON JUNE 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

UPPER LEVEL TROUGH WILL MOVE TO THE WEST COAST ON THURSDAY. THIS
WILL BRING INCREASING ONSHORE WINDS...COOLER TEMPERATURES AND
HIGHER RELATIVE HUMIDITIES TO THE BURN AREA. SOUTHWEST WINDS WILL
BECOME GUSTY THURSDAY AFTERNOON WITH STRENGTHENING ONSHORE FLOW.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....56-60.
MAX HUMIDITY........54-58 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 10 TO 15 MPH GUSTS TO 22 MPH
                    THROUGH 10 PM...THEN DIMINISHING AND TURNING
                    SOUTH 5 TO 8 MPH THROUGH THE REST OF THE NIGHT.
   RIDGETOP.........SOUTHWEST 7 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......7300 FT AGL DECREASING TO 2200 FT AGL.
MIXING WINDS........SOUTHWEST 7 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........25-29 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 5 TO 10 MPH THROUGH 11 AM...
                    THEN INCREASING AND TURNING SOUTHWEST 12 TO 16
                    MPH GUSTS TO 24 MPH.
   RIDGETOP.........SOUTH 8 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 3800-4200 FT AGL
                    EARLY IN THE AFTERNOON.
MIXING WINDS........SOUTH 8 MPH.


FORECASTER...
REQUESTED BY...RYAN CASH
REASON FOR REQUEST...PRESCRIBED
.TAG 20120621.VANVL.02/STO

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