Suppression Forecast
Issued by NWS Sacramento, CA

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000
FNUS76 KSTO 200047
FWSSTO

SPOT FORECAST FOR IRENE...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
547 PM PDT FRI SEP 19 2014

FORECAST IS BASED ON REQUEST TIME OF 1725 PDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL BRING ANOTHER ROUND
OF LOCALLY BREEZY NORTH TO NORTHEAST WINDS OVER THE WILDFIRE
TONIGHT. THESE WINDS WILL DIMINISH DURING THE DAY SATURDAY. AN UPPER
LEVEL LOW OFF THE SOUTHERN CALIFORNIA COAST MAY BRING ENOUGH
INSTABILITY FOR SOME THUNDERSTORMS TO DEVELOP AROUND THE WILDFIRE
SATURDAY AFTERNOON. THUNDERSTORMS COULD BRING GUSTY AND ERRATIC
WINDS.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR. PERIODS OF SMOKE.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS 3 TO 6 MPH INCREASING TO 5 TO
                    10 MPH BY LATE EVENING.
   RIDGETOP.........NORTHEAST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......7000 FT AGL DECREASING TO LESS THAN 500 FT AGL
                    BY LATE EVENING.
MIXING WINDS........NORTHEAST 5 TO 10 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING...THEN PARTLY
                    CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON. HAZY THROUGH
                    THE DAY.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
                    WEST 3 TO 6 MPH AROUND 2PM.
   RIDGETOP.........NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP TO
                    20 MPH SHIFTING TO THE WEST 4 TO 8 MPH AROUND
                    2 PM.
CWR.................20 PERCENT IN THE AFTERNOON.
LAL.................2.
MIXING HEIGHT.......LESS THAN 500 FT INCREASING TO 8000 FT IN
                    THE AFTERNOON.
MIXING WINDS........NORTHEAST 5 TO 10 MPH BECOMING WEST 3 TO 7
                    MPH AROUND 2PM.


FORECASTER...TGD
REQUESTED BY...MEGAN HEFFENTRAGER
REASON FOR REQUEST...WILDFIRE
.TAG 20140919.IRENE.01/STO

$$






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