FNUS76 KSTO 021432
FWSSTO

SPOT FORECAST FOR SOUTH STATION PILES...U.S.FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
632 AM PST WED DEC 2 2009

FORECAST IS BASED ON IGNITION TIME OF 0830 PST ON DECEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LIGHT SURFACE WINDS AFFECTING THE BURNSITE TODAY AS HIGH PRESSURE SITS OVER
THE WEST COAST. EXPECT DOWNSLOPE/DOWNVALLEY DRAINAGE WINDS DURING MORNING
HOURS. RIDGETOP WINDS LIGHT NORTH TO NORTHEASTERLY. RH VALUES WILL BE ON A
GENTLE DRYING TREND BETWEEN NOW AND THURSDAY. WEATHER PATTERN WILL TRANSITION
OVER THE WEEKEND BECOMING COOLER AND WETTER.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....48-53.
MIN HUMIDITY........30-40 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT DOWNSLOPE/NORTHEASTERLY WINDS AT 5-10 MPH.
MIXING HEIGHT.......200-1000 FT AGL INCREASING TO 2000-3000 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........EAST AROUND 8 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 20-25.
MAX HUMIDITY........60-75 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT TERRAIN-DRIVEN WINDS AROUND 6-10 MPH.
MIXING HEIGHT.......200-1000 FT AGL.
MIXING WINDS........EAST AROUND 10 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........25-35 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT TERRAIN-DRIVEN WINDS BETWEEN 5-10 MPH.
MIXING HEIGHT.......RISING TO AROUND 1000-2000 FT AGL.
MIXING WINDS........EAST AROUND 10 MPH.


FORECASTER...JBB
REQUESTED BY...DALE NEWBY
REASON FOR REQUEST...PRESCRIBED
.TAG 20091202.SOUTH.01/STO

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