FNUS76 KSTO 080354
FWSSTO

SPOT FORECAST FOR WINDY...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
854 PM PDT TUE SEP 7 2010

#232-10

FORECAST IS BASED ON REQUEST TIME OF 0800 PDT ON SEPTEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LOW PRESSURE TROUGH WILL MOVE ACROSS NORTHERN CALIFORNIA TODAY AND
TONIGHT BRINGING A SHARP COOLING TREND AND UNSETTLED WEATHER TO THE
FIRE SITE. GUSTY SOUTHWEST WINDS AHEAD OF THE TROUGH WILL WEAKEN
LATER TODAY AND TONIGHT AS THE TROUGH AXIS NEARS THE FIRE SITE.
WARMER AND DRIER WEATHER IS EXPECTED ON THURSDAY AS THE UPPER TROUGH
MOVES EAST OF THE AREA.

.TODAY (WEDNESDAY)...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........RISING DURING THE DAY...THEN LOWERING TO
                    65-75 PERCENT LATE IN THE AFTERNOON.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTH TO SOUTHWEST 5 TO 8 MPH...BECOMING
                    A LITTLE MORE WEST TO NORTHWEST IN THE
                    AFTERNOON.
   RIDGETOP.........SOUTH TO SOUTHWEST 17 TO 23 MPH DECREASING
                    TO 10 TO 15 MPH LATE IN THE AFTERNOON.
CWR.................40 PERCENT.
MIXING HEIGHT.......RISING TO 4000 TO 4500 FT AGL.
MIXING WINDS........SOUTH TO SOUTHWEST 12 TO 18 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
                    EVENING...THEN A SLIGHT CHANCE OF SHOWERS
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........90-96 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS 4 TO 7 MPH IN THE EVENING BECOMING
                    NEARLY CALM.
   RIDGETOP.........BECOMING SOUTH THEN SOUTHEAST LESS THAN 5 MPH.
CWR.................30 PERCENT.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL.
MIXING WINDS........BECOMING SOUTHEAST AND DECREASING TO 5 MPH.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....67-73.
MIN HUMIDITY........LOWERING TO 55-60 PERCENT LATE IN THE
                    AFTERNOON OR EARLY IN THE EVENING.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS 2 TO 5 MPH SHIFTING TO THE WEST 5 TO
                    8 MPH IN THE AFTERNOON.
   RIDGETOP.........BECOMING NORTHWEST 6 TO 10 MPH.
CWR.................10 PERCENT.


FORECASTER...JHM
REQUESTED BY...JOE TAPIA
REASON FOR REQUEST...WILDFIRE
.TAG 20100907.WINDY.02/STO

$$