FNUS76 KSTO 131206
FWSSTO

SPOT FORECAST FOR SUMMIT...MENDOCINO NF
NATIONAL WEATHER SERVICE SACRAMENTO CA
506 AM PDT THU AUG 13 2009

FORECAST IS BASED ON REQUEST TIME OF 2234 PDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A DRY UPPER LEVEL TROUGH OF LOW PRESSURE WILL APPROACH THE AREA DURING THE
DAY...AND MOVE ACROSS THE AREA TONIGHT. THIS WILL BRING COOLER
TEMPERATURES...HIGHER HUMIDITIES BUT GUSTY WESTERLY WINDS TO THE FIRE SITE
UNTIL FRIDAY MORNING. THE STRONGEST WINDS AT THE LOCATION WILL BE DURING
THE AFTERNOON AND EVENING HOURS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....75 TO 78.
MIN HUMIDITY........26 TO 36 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....DOWNSLOPE/DOWNVALLEY 3 TO 7 MPH BECOMING WEST
                    AROUND 8 MPH IN THE AFTERNOON.
   RIDGETOP.........NORTHWEST 10 TO 16 MPH WITH GUSTS 18 TO 28 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......200-500 FT AGL INCREASING TO 7000-8000 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........NORTHWEST AROUND 9 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....47 TO 52.
MAX HUMIDITY........72 TO 82 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 4 TO 9 MPH SHIFTING NORTHWEST 3 TO 7 MPH
                    AFTER MIDNIGHT.
   RIDGETOP.........SOUTHWEST AROUND 11 MPH WITH GUSTS 18 TO 28 MPH IN THE
                    EVENING.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO 200-1000 FT AGL EARLY IN THE EVENING.
MIXING WINDS........WEST AROUND 11 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....68 TO 72.
MIN HUMIDITY........22 TO 28 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTH WINDS 3 TO 7 MPH SHIFTING NORTHWEST IN THE AFTERNOON.
   RIDGETOP.........NORTHWEST AROUND 8 MPH INCREASING TO 7 TO 14 MPH WITH
                    GUSTS 17 TO 22 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......200-700 FT AGL INCREASING TO 7500-8500 FT AGL.
MIXING WINDS........NORTHWEST AROUND 4 MPH.


FORECASTER...RB
REQUESTED BY...MNF ECC
REASON FOR REQUEST...WILDFIRE
.TAG 20090812.SUMMI.02/STO

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