FNUS76 KSTO 190008
FWSSTO

SPOT FORECAST FOR FAIRFIELD...LASSEN VOLCANIC NATIONAL PARK
NATIONAL WEATHER SERVICE SACRAMENTO CA
421 PM PDT TUE AUG 18 2009

FORECAST IS BASED ON INCIDENT TIME OF 1522 PDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE CENTERING ALONG THE WEST COAST WILL BRING CONTINUED
WARM AND DRY CONDITIONS OVER THE FIRE AREA TODAY (WEDNESDAY).
WEDNESDAY WILL LIKELY BE THE WARMEST DAY OF THE WEEK WITH A LITTLE
LOWER HUMIDITY EXPECTED. LIGHT SOUTHEASTERLY WINDS IN THE MORNING
WILL TRANSITION TO LIGHT SOUTHWESTERLY IN THE AFTERNOONS. THE RIDGE
OF HIGH PRESSURE WILL SLIP EASTWARD A BIT BRINGING A SLIGHT COOLING
ON THURSDAY BUT ALSO A SLIGHT INCREASE IN AFTERNOON WINDS.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........14 TO 18 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....DOWNSLOPE 0-3 MPH IN THE MORNING BECOMING
                    UPSLOPE AFTER ABOUT 1000.
   RIDGETOP.........SOUTHEAST IN THE MORNING 1-3 GUSTS TO 9 MPH
                    TURNING TO SOUTHWEST BY MID AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 5000 TO 7000 FEET.
MIXING WINDS........EAST IN THE MORNING 3 TO 8 MPH BECOMING
                    SOUTHWEST IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........70-75 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....BECOMING LIGHT DOWNSLOPE AFTER ABOUT 2000.
   RIDGETOP.........BECOMING SOUTHEAST 0-2 GUSTS TO 6 MPH AFTER
                    ABOUT MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......DROPPING TO BELOW 500 FEET AFTER DARK.
MIXING WINDS........BECOMING SOUTHEAST 1-3 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....77 TO 80.
MIN HUMIDITY........15 TO 20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....BECOMING LIGHT UPSLOPE 0-3 MPH.
   RIDGETOP.........BECOMING SOUTHWEST 2 TO 5 MPH GUSTS TO 10 MPH
                    BY MID AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 6000-8000 FEET.
MIXING WINDS........BECOMING SOUTHWEST 3 TO 8 MPH.


FORECASTER...SMITH
REQUESTED BY...TOM GARCIA
REASON FOR REQUEST...WFU
.TAG 20090818.FAIRF.01/STO

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