FNUS76 KSTO 051118
FWSSTO

SPOT FORECAST FOR SAND BAR FLAT...STANISLAUS NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
418 AM PDT THU MAY 5 2011

FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON MAY 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MAINLY TERRAIN-DRIVEN WINDS NEXT COUPLE DAYS WITH SOME SOUTHWEST
ENHANCEMENT OVER UPPER SLOPES DUE TO UPCANYON FLOW IN THE
AFTERNOONS. MIN RH WILL BE AROUND NOON, JUST BEFORE SOUTHWESTERLY
UPSLOPE FLOW DOMINATES ACROSS SIERRA. NEXT CHANCE OF WETTING RAIN
IS SUNDAY WITH POTENT GULF OF ALASKA STORM.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....71-74.
HUMIDITY............40-45 PERCENT AT IGNITION
    MIN 18-22 PERCENT AROUND 1200.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 3 TO 6 MPH.
   RIDGETOP.........SOUTHWEST 7 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 7000-7500 FT
    AGL LATE IN THE MORNING.
MIXING WINDS........SOUTHWEST 8 TO 12 MPH WITH GUSTS TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....50-53.
MAX HUMIDITY........72-77 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 2 TO 6 MPH SHIFTING TO THE
                    NORTHEAST 1 TO 3 MPH AFTER MIDNIGHT.
   RIDGETOP.........SOUTHEAST 7 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......7000 FT AGL DECREASING TO 200 FT AGL.
MIXING WINDS........SOUTHEAST 7 MPH.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....68-71.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 3 TO 7 MPH.
   RIDGETOP.........SOUTH 7 TO 10 MPH WITH GUSTS TO 20 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 6500-7500 FT
    AGL LATE IN THE MORNING.
MIXING WINDS........SOUTH 7 TO 10 MPH WITH GUSTS TO 20 MPH.


FORECASTER...JCLAPP
REQUESTED BY...SUMMIT FUM LEAD
REASON FOR REQUEST...PRESCRIBED
.TAG 20110505.SANDB.01/STO

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