FNUS76 KSTO 311242
FWSSTO

SPOT FORECAST FOR OLD GULCH PILE BURN...FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
542 AM PDT WED MAR 31 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON MARCH 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
COLD UNSTABLE AIRMASS REMAINS IN PLACE OVER THE BURN AREA TODAY...
RESULTING IN MORNING SNOW SHOWERS. PARTIAL CLEARING IS EXPECTED
IN THE LATE MORNING INTO EARLY AFTERNOON...WHICH MAY LEAD TO AFTERNOON
AND EVENING SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WEAK HIGH
PRESSURE WILL BUILD INTO THE AREA TONIGHT INTO THURSDAY.

.TODAY...

SKY/WEATHER.........SNOW SHOWERS IN THE MORNING...THEN A CHANCE OF
                    RAIN OR SNOW SHOWERS AND A SLIGHT CHANCE OF
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....40-45.
MIN HUMIDITY........70-80 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
                    BECOMING LIGHT.
CWR.................100 PERCENT.
MIXING HEIGHT.......LESS THAN 500 FT AGL IN THE MORNING INCREASING
                    TO 5000 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 6 TO 12 MPH.

.TONIGHT...

MAX HUMIDITY........90-100 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....LIGHT WINDS BECOMING NORTHEAST/DOWNSLOPE 4 TO 7
                    MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5000 FT AGL DECREASING TO LESS THAN 500 FT AGL
                    AFTER MIDNIGHT.
MIXING WINDS........EAST 4 TO 8 MPH.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY.


FORECASTER...TGD
REQUESTED BY...STEVE BARAN
REASON FOR REQUEST...PRESCRIBED
.TAG 20100331.OLDGU.01/STO

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