FNUS76 KSTO 191625
FWSSTO

SPOT FORECAST FOR SAC  FUEL BREAKS...U.S. FISH & WILDLIFE SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
925 AM PDT WED SEP 19 2012

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LITTLE EXCITEMENT WITH THE WEATHER THE NEXT COUPLE DAYS. WINDS
WILL BE TERRAIN DRIVEN WITH A SOUTHEASTERN AFTERNOON FLOW PATTERN.
THE MORE MOIST ONSHORE WIND FLOW SHOULD KEEP AFTERNOON RH FROM
DIPPING TOO LOW.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........87-91.
RH..................70-75 PERCENT AT IGNITION.
x09x09    21-25 PERCENT AFTERNOON MIN.
WIND (20 FT)........
   SLOPE/VALLEY.....WINDS NORTHEAST AT 2 TO 4 MPH AT
x09x09    IGNITION...SHIFTING SOUTHEAST 2 TO 4 MPH AFTER
x09x09    1000 BECOMING SOUTHEAST 6 TO 8 MPH WITH GUSTS
x09x09    TO 12 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 4500 FT AGL
x09x09    EARLY IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 3 TO 5 MPH INCREASING 5 TO 8 MPH EARLY
x09x09    IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........53-57.
RH..................80-85 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST WINDS UP TO 8 MPH BECOMING LIGHT AND
x09x09    VARIABLE 1 TO 3 MPH AFTER 2000.
CWR.................0 PERCENT.
MIXING HEIGHT.......5700 FT AGL DECREASING TO 200 FT AGL EARLY IN
                    THE EVENING.
MIXING WINDS........SOUTH 5 TO 8 MPH IN THE EVENING BECOMING LIGHT.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........87-91.
RH..................70-75 PERCENT AT IGNITION.
x09x09    22-26 PERCENT AFTERNOON MIN.
WIND (20 FT)........
   SLOPE/VALLEY.....WINDS NORTHEAST AT 2 TO 4 MPH AT IGNITION...SHIFTING
                    SOUTHEAST 2 TO 5 MPH AFTER 1000 BECOMING SOUTHEAST
x09x09    6 TO 8 MPH WITH GUSTS TO 12 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......200-1700 FT AGL INCREASING TO 3500 FT AGL
                    EARLY IN THE AFTERNOON.
MIXING WINDS........LIGHT WINDS BECOMING SOUTH 6 MPH LATE IN THE
                    AFTERNOON.


FORECASTER...JCLAPP
REQUESTED BY...TONY ARENDT
REASON FOR REQUEST...PRESCRIBED
.TAG 20120919.SACFU.01/STO

$$