FNUS76 KSTO 151708
FWSSTO

SPOT FORECAST FOR SAND BAR FLAT...STANISLAUS NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
1000 AM PDT FRI MAY 15 2009

FORECAST IS BASED ON IGNITION TIME OF 1030 PDT ON MAY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SIGNIFICANT WARMING AND DRYING THIS WEEKEND WITH SOME CONVECTIVE
ACTIVITY EARLY NEXT WEEK...

.DISCUSSION...
HIGH PRESSURE BUILDING OVER THE REGION TODAY...AND STRENGTHEN
THROUGH THE WEEKEND. EXPECT A SIGNIFICANT WARMING AND DRYING TREND
WITH WELL ABOVE AVERAGE HEAT AND HUMIDITY VALUES INTO THE LOW
TEENS SUNDAY AND MONDAY. ISOLATED THUNDERSTORMS MAY ALSO BE
POSSIBLE THE AFTERNOONS OF MONDAY INTO WEDNESDAY OVER THE HIGHER
ELEVATIONS EAST OF THE BURN AREA. HOWEVER...CUMULUS BUILDUPS MAY
BE SEEN OVER THE BURN AREA.


.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....LOWER SLOPE...76-80
    UPPER SLOPE...72-75.
MIN HUMIDITY........LOWER SLOPE...18-22 PERCENT.
    UPPER SLOPE...27-32 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....UPSLOPE WINDS 2 TO 4 MPH BECOMING UPCANYON 5 TO
    8 MPH AFTER 1200.
   RIDGETOP.........VARIABLE 1 TO 3 MPH WEST 4 TO 7 MPH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 4500 FT AGL LATE IN
    THE MORNING.
MIXING WINDS........WEST 4 TO 7 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....LOWER SLOPE...40-45.
    UPPER SLOPE...50-53.
MAX HUMIDITY........LOWER SLOPE...55-60 PERCENT.
    UPPER SLOPE...70-80 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....DOWNSLOPE 1 TO 3 MPH BECOMING DOWNVALLEY 3 TO 6
    MPH AFTER MIDNIGHT.
   RIDGETOP.........WEST 4 TO 7 MPH SHIFTING NORTHEAST 5 TO 9 MPH
    AFTER MIDNIGHT.
MIXING HEIGHT.......4000 FT AGL DECREASING TO LESS THAN 500 FT AGL
    LATE IN THE EVENING.
MIXING WINDS........WEST 4 TO 7 MPH SHIFTING NORTHEAST 7 TO 10 MPH
    AFTER MIDNIGHT.

.SATURDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....LOWER SLOPE...83-86
    UPPER SLOPE...77-80.
MIN HUMIDITY........LOWER SLOPE...14-18 PERCENT.
    UPPER SLOPE...22-27 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....UPSLOPE WINDS 2 TO 4 MPH BECOMING UPCANYON 5 TO
    8 MPH AFTER 1200.
   RIDGETOP.........VARIABLE 1 TO 3 MPH WEST 4 TO 7 MPH.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 5000-6000 FT AGL.
MIXING WINDS........WEST 4 TO 7 MPH.


FORECASTER...JMC
REQUESTED BY...JON PAYNE
REASON FOR REQUEST...PRESCRIBED
.TAG 20090515.SANDB.01/STO

$$