FNUS76 KSTO 112311
FWSSTO

SPOT FORECAST FOR FAIRFIELD...LASSEN VOLCANIC NATIONAL PARK
NATIONAL WEATHER SERVICE SACRAMENTO CA
410 PM PDT TUE AUG 11 2009

FORECAST IS BASED ON INCIDENT TIME OF 1526 PDT ON AUGUST 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UPPER LEVEL TROUGH OF LOW PRESSURE OFF THE PACIFIC
NORTHWEST WILL SLOWLY MOVE TOWARDS AND DIG ALONG THE WEST COAST OVER
THE NEXT 24 TO 36 HOURS...BEFORE MOVING INLAND LATE ON THURSDAY.  AS
A RESULT...A GRADUAL COOLING TREND WILL OCCUR OVER THE NEXT FEW
DAYS...WITH GUSTY SOUTHWESTERLY WINDS DEVELOPING OVER THE BURN AREA
DURING THE LATER AFTERNOON AND EVENINGS.  OVERNIGHT HUMIDITY
RECOVERIES WILL REMAIN IN THE GOOD TO MODERATE RANGE.

.WEDNESDAY...
SKY/WEATHER.........SUNNY. SMOKEY AND HAZY. A FEW CUMULUS BUILD UPS
                    POSSIBLE IN THE AFTERNOON OVER THE HIGHER
                    TERRAIN.
MAX TEMPERATURE.....76-80.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE WINDS LESS THAN 4 MPH BECOMING
                    SOUTH TO SOUTHWEST 5 TO 10 MPH IN THE
                    AFTERNOON.
   RIDGETOP.........SOUTHWEST WINDS 8 TO 15 MPH WITH GUSTS UP TO 25
                    MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......NEAR THE SURFACE INCREASING TO AROUND 7000 FT
                    AGL LATE IN THE MORNING.
MIXING WINDS........SOUTHWEST TO WEST 10 TO 20 MPH.

.WEDNESDAY NIGHT...
SKY/WEATHER.........CLEAR. SMOKEY AND HAZY. A FEW CUMULUS BUILD UPS
                    POSSIBLE IN THE EVENING.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........78-83 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 6 TO 12 MPH IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 6 MPH.
   RIDGETOP.........SOUTHWEST WINDS 8 TO 15 MPH WITH GUSTS UP TO 25
                    MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......7000 FT AGL IN THE EVENING FALLING TO NEAR THE
                    SURFACE.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY. SMOKEY AND HAZY. A FEW CUMULUS
                    BUILD UPS POSSIBLE IN THE AFTERNOON OVER THE
                    HIGHER TERRAIN.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE WINDS 2 TO 5 MPH BECOMING SOUTH TO
                    SOUTHWEST 7 TO 14 MPH WITH GUSTS UP TO 25 MPH IN
                    THE AFTERNOON.
   RIDGETOP.........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS UP TO 35
                    MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......NEAR THE SURFACE INCREASING TO AROUND 5500 FT
                    AGL LATE IN THE MORNING.
MIXING WINDS........SOUTHWEST WINDS 10 TO 20 MPH.


FORECASTER...PALMER
REQUESTED BY...TOM GARCIA
REASON FOR REQUEST...WFU
.TAG 20090811.FAIRF.01/STO

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