FNUS76 KSTO 192337
FWSSTO

SPOT FORECAST FOR FAIRFIELD...LASSEN VOLCANIC NATIONAL PARK
NATIONAL WEATHER SERVICE SACRAMENTO CA
437 PM PDT WED AUG 19 2009

FORECAST IS BASED ON INCIDENT TIME OF 1526 PDT ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
COOLER TEMPERATURES EXPECTED ON THURSDAY AND FRIDAY AS HIGH
PRESSURE SHIFTS EASTWARD AND LOW PRESSURE APPROACHES FROM THE
WEST. HUMIDITY LEVELS AND RECOVERIES WILL ALSO IMPROVE SOME.
WINDS SHOULD BE LIGHT AND VARIABLE IN THE MORNING THEN BECOME
SOUTHWESTERLY AND INCREASE A BIT IN THE AFTERNOON AND EVENING.
THERE IS A SLIGHT CHANCE OF AFTERNOON THUNDERSTORMS ON FRIDAY AND
SATURDAY.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....78 TO 83.
MIN HUMIDITY........16 TO 20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....DOWNSLOPE 1 TO 3 MPH IN THE MORNING BECOMING
                    UPSLOPE 2 TO 4 MPH IN THE AFTERNOON.
   RIDGETOP.........NORTH 1 TO 4 MPH BECOMING SOUTHWEST 2 TO 6 MPH
                    WITH GUSTS TO 10 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 8000 FEET IN THE AFTERNOON.
MIXING WINDS........LIGHT BECOMING SOUTHWEST 4 TO 8 MPH IN THE
                    AFTERNOON.

.THURSDAY NIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....40 TO 44 .
MAX HUMIDITY........65-75 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 3 TO 5 MPH IN THE EVENING BECOMING
                    LIGHT.
   RIDGETOP.........SOUTHWEST AROUND 3 TO 7 MPH WITH GUSTS TO 12 MPH IN THE
                    EVENING BECOMING WEST 1 TO 3 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......8200 FT AGL DECREASING TO 200 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........WEST 2 TO 5 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY EARLY THEN BECOMING PARTLY CLOUDY
                    IN THE AFTEROON WITH A SLIGHT CHANCE OF
                    THUNDERSTORMS.
MAX TEMPERATURE.....76 TO 80.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....DOWNSLOPE 1 TO 3 MPH IN THE MORNING BECOMING
                    UPSLOPE 3 TO 5 MPH IN THE AFTERNOON.
   RIDGETOP.........BECOMING SOUTHWEST 3 TO 7 MPH WITH GUSTS TO 15 MPH
                    IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......200 FT AGL INCREASING TO 10000 FT AGL.
MIXING WINDS........SOUTH 4 TO 7 MPH.


FORECASTER...EK
REQUESTED BY...TOM GARCIA
REASON FOR REQUEST...WFU
.TAG 20090819.FAIRF.01/STO

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