FNUS76 KSTO 130307
FWSSTO

SPOT FORECAST FOR SUMMIT...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
807 PM PDT WED AUG 12 2009

FORECAST IS BASED ON REQUEST TIME OF 1907 PDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

#189-09

.DISCUSSION...UPPER LEVEL TROUGH APPROACHING THE FIRE SITE WILL
MAINTAIN SOUTHWEST FLOW OVER THE FIRE SITE. THIS IS BRINGING
HIGHER HUMIDITY TO THE FIRE SITE. THE TROUGH WILL BRING COOLER
TEMPERATURES AND GUSTY SOUTHWEST WINDS TO THE FIRE SITE ON
THURSDAY.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS 8 TO 15 MPH...BECOMING NORTHWEST TO
                    NORTH OR DOWNSLOPE TO 5 MPH AFTER MIDNIGHT.
   RIDGETOP.........WEST TO NORTHWEST 15 TO 25 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL.
MIXING WINDS........WEST TO NORTHWEST 4 TO 8 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....DOWNSLOPE OR DRAINAGE 5 TO 10 MPH IN THE
                    EARLY MORNING...BECOMING WEST 8 TO 15 MPH IN
                    THE AFTERNOON.
   RIDGETOP.........WEST 15 TO 25 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 6000 TO 7000 FT AGL.
MIXING WINDS........WEST TO NORTHWEST 8 TO 12 MPH.


FORECASTER...JHM
REQUESTED BY...AUDREY DALRYMPLE
REASON FOR REQUEST...WILDFIRE
.TAG 20090812.SUMMI.01/STO

$$