FNUS76 KSTO 211050
FWSSTO

SPOT FORECAST FOR SAC  FUEL BREAKS...U.S. FISH & WILDLIFE SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
350 AM PDT FRI SEP 21 2012

FORECAST IS BASED ON IGNITION TIME OF 0915 PDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LITTLE TO NO CHANGES IN CONDITIONS TODAY VERSUS YESTERDAY AT THE
BURN SITE. A LOW PRESSURE SYSTEM OFF THE OREGON COAST WILL MOVE
INLAND TOMORROW AND PASS THROUGH NORTHERN CALIFORNIA OVER THE
WEEKEND. THIS WILL LEAD TO STRONGER ONSHORE FLOW WITH SLIGHT
COOLING AND IMPROVED HUMIDITIES FOR SUNDAY INTO EARLY NEXT WEEK.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....88-93.
MIN HUMIDITY........18-28 PERCENT.
WIND (20 FT)........NORTHWEST WINDS UP TO 5 MPH BECOMING SOUTHEAST 6
                    TO 12 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......200-500 FT AGL INCREASING TO 5000-6000 FT AGL
                    EARLY IN THE AFTERNOON.
MIXING WINDS........LIGHT WINDS.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....52-58.
MAX HUMIDITY........75-85 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTH WINDS UP TO 8 MPH SHIFTING TO THE
                    NORTHWEST 3 TO 7 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......5000-6000 FT AGL DECREASING TO 200-500 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........WEST 5 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....88-93.
MIN HUMIDITY........16-26 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHWEST WINDS UP TO 5 MPH IN THE MORNING
                    BECOMING SOUTHEAST 6 TO 12 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......200-500 FT AGL INCREASING TO 6000-7000 FT AGL.
MIXING WINDS........NORTHWEST 5 MPH.


FORECASTER...DVC
REQUESTED BY...TONY ARENDT
REASON FOR REQUEST...PRESCRIBED
.TAG 20120921.SACFU.01/STO

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