FNUS76 KSTO 132234
FWSSTO

SPOT FORECAST FOR SUMMIT...CA-MNF
NATIONAL WEATHER SERVICE SACRAMENTO CA
334 PM PDT THU AUG 13 2009

#192-09

FORECAST IS BASED ON REQUEST TIME OF 1442 PDT ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN UPPER LEVEL TROUGH APPROACHING THE AREA TODAY...WILL BE MOVING
ACROSS THE AREA ON FRIDAY. THIS WILL BRING HIGHER HUMIDITIES BUT
GUSTY WESTERLY WINDS TO THE FIRE SITE THROUGH FRIDAY MORNING.
THIS WILL BE FOLLOWED BY DRIER CONDITIONS OVER THE WEEKEND...
AND GUSTY NORTH TO NORTHEAST WINDS FRIDAY NIGHT AND SATURDAY
MORNING.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST TO NORTHWEST 8 TO 14 MPH WITH GUSTS UP TO
                    20 MPH IN THE EVENING...THEN NORTHWEST 3 TO
                    8 MPH AFTER MIDNIGHT.
   RIDGETOP.........GUSTY NORTHWEST WINDS 18 TO 28 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL OVERNIGHT.
MIXING WINDS........WEST TO NORTHWEST 15 TO 20 MPH DECREASING TO
                    5 TO 10 MPH OVERNIGHT.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........22-28 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHWEST OR DRAINAGE WINDS 3 TO 7 MPH EARLY
                    MORNING...BECOMING WEST TO NORTHWEST 5 TO
                    11 MPH IN THE AFTERNOON.
   RIDGETOP.........NORTHWEST 15 TO 25 MPH IN THE EARLY MORNING...
                    DECREASING TO 9 TO 18 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 4000 TO 5000 FT AGL.
MIXING WINDS........NORTHWEST AT 5 MPH EARLY MORNING...INCREASING
                    TO 10 TO 15 MPH IN THE AFTERNOON.


FORECASTER...JHM
REQUESTED BY...MNF ECC
REASON FOR REQUEST...WILDFIRE
.TAG 20090813.SUMMI.01/STO

$$