FNUS76 KSTO 311847
FWSSTO

SPOT FORECAST FOR SAC NWR HQ PILE...U.S. FISH & WILDLIFE SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1147 AM PDT TUE MAR 31 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON MARCH 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE DOMINATES WITH LIGHT WINDS AS A FEW HIGH CLOUDS
REMAIN TODAY. BREEZY NORTHERLY WINDS WILL DEVELOP WEDNESDAY
AFTERNOON AND INTO THE EVENING BEFORE WEAKENING AND TRANSITIONING
TO A SOUTHEASTERLY FLOW ON THURSDAY. THIS SOUTHERLY FLOW WILL
ELEVATE MINIMUM RELATIVE HUMIDITY VALUES BY ABOUT 10 TO 15
PERCENT.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTH WIND 4 TO 7 MPH.
MIXING HEIGHT.......NEAR 1000 FT AGL INCREASING TO 5000 FT AGL
    EARLY IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 6 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....43-46.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT WINDS BECOMING NORTHWEST 6 TO 10 MPH
                    AFTER MIDNIGHT.
MIXING HEIGHT.......5000 FT AGL DECREASING TO LESS THAN 500 FT AGL
    EARLY IN THE EVENING.
MIXING WINDS........NORTHWEST 8 TO 12 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........21-25 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT WINDS BECOMING NORTH 8 TO 12 MPH WITH
                    LOCAL GUSTS 15 TO 25 MPH IN THE AFTERNOON.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO NEAR 4500 FT
    AGL LATE IN THE MORNING.
MIXING WINDS........NORTHWEST 17 TO 22 MPH.


FORECASTER...JASON CLAPP
REQUESTED BY...KIPP MORRILL
REASON FOR REQUEST...PRESCRIBED
.TAG 20090331.SACNW.01/STO

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