FNUS76 KSTO 041239
FWSSTO

SPOT FORECAST FOR SAC  UPLAND RX...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
539 AM PDT THU OCT 4 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON OCTOBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
INCREASING SOUTHERLY (ONSHORE) WINDS INTO THE SACRAMENTO VALLEY AS HIGH
PRESSURE WEAKENS AND AN UPPER LOW APPROACHES THE WEST COAST. THE UPPER
LOW WILL BE NEAR THE COAST BY FRIDAY AND MOVE INLAND OVER THE WEEKEND.
THUS...TODAY'S COOLING TREND WITH INCREASING HUMIDITY WILL CONTINUE
INTO NEXT WEEK. A SLIGHT CHANCE OF LIGHT SHOWERS COULD IMPACT PORTIONS
OF THE VALLEY NEXT MONDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....87-92.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH IN
                    THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......300-1500 FT AGL INCREASING TO 3000-3700 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........LIGHT WINDS THEN SOUTHEAST 7 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....55-60.
MAX HUMIDITY........76-81 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST WINDS 6 TO 11 MPH IN THE EVENING
                    BECOMING LIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......3700 FT AGL DECREASING TO 200-400 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........SOUTHEAST 6 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST WINDS UP TO 7 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 AGL INCREASING TO 4500-5500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 6 MPH.


FORECASTER...JBB
REQUESTED BY...TONY ARENDT
REASON FOR REQUEST...PRESCRIBED
.TAG 20121004.SACUP.01/STO

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