FNUS76 KSTO 071419
FWSSTO

SPOT FORECAST FOR SSO...USFS TAHOE NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
524 AM PST THU JAN 7 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON JANUARY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE OVER THE REGION SHOULD KEEP THE BURN
AREA DRY TODAY THROUGH FRIDAY. A WEAK SYSTEM PASSING OVER THE RIDGE
LAST NIGHT BROUGHT SOME CLOUDINESS AND HIGHER HUMIDITY TO THE AREA
THIS MORNING AND POSSIBLY A FEW VERY LIGHT SHOWERS. ANOTHER SYSTEM
MAY BRING SOME ADDITIONAL CLOUDINESS LATER TODAY AND TONIGHT BUT ANY
SIGNIFICANT RAINFALL SHOULD REMAIN NORTH OF THE AREA. HUMIDITY WILL
BE A LITTLE HIGHER TODAY THAN WEDNESDAY THEN A LITTLE DRIER ON
FRIDAY. WINDS SHOULD REMAIN FAIRLY LIGHT UNDER LIGHT PRESSURE
GRADIENTS.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
MAX TEMPERATURE.....58 TO 62.
MIN HUMIDITY........AROUND 50 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....LIGHT WINDS.
 UPR SLP/RIDGETOP...EAST TO 4 MPH IN THE MORNING BECOMING WEST WITH
                    GUSTS TO 8 MPH AFTER ABOUT 1000. RETURNING TO
                    EAST BY LATE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......2500 TO 3000 FEET IN THE AFTERNOON.
MIXING WINDS........NORTHERLY 3 TO 6 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
MIN TEMPERATURE.....AROUND 42 TO 47.
MAX HUMIDITY........AROUND 70 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....LIGHT WINDS.
 UPR SLP/RIDGETOP...NORTHEAST TO SOUTHEAST TO AROUND 4 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......DROPPING TO BELOW 500 FEET.
MIXING WINDS........NORTHEAST TO AROUND 5 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY.
MAX TEMPERATURE.....AROUND 53 TO 57.
MIN HUMIDITY........45 TO 50 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....LIGHT WINDS BECOMING SOUTHWEST TO 5 MPH IN
                    THE AFTERNOON.
 UPR SLP/RIDGETOP...BECOMING SOUTHWEST 2 TO 5 BY LATE MORNING AND
                    AFTERNOON WITH GUSTS UP TO 10 MPH.
CWR.................NEAR 0 PERCENT.
MIXING HEIGHT.......INCREASING TO 2500 TO 3000 FEET.
MIXING WINDS........NORTHEAST 3 TO 5 MPH.


FORECASTER...SMITH
REQUESTED BY...DOMINIC PANNO
REASON FOR REQUEST...PRESCRIBED
.TAG 20100107.SSO__.01/STO

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