FNUS76 KSTO 102312
FWSSTO

SPOT FORECAST FOR FAIRFIELD...LASSEN VOLCANIC NATIONAL PARK
NATIONAL WEATHER SERVICE SACRAMENTO CA
415 PM PDT MON AUG 10 2009

FORECAST IS BASED ON INCIDENT TIME OF 1529 PDT ON AUGUST 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...LOCALLY GUSTY SOUTHWEST WINDS POSSIBLE TUESDAY THROUGH THURSDAY...

.DISCUSSION...HIGH PRESSURE WILL REMAIN OVER NORTHERN CALIFORNIA FOR
THE NEXT 48 HOURS...BEFORE ANOTHER TROUGH OF LOW PRESSURE MOVES
ACROSS THE REGION ON THURSDAY.  CUMULUS BUILD UPS WILL BE POSSIBLE
OVER THE HIGHER TERRAIN EACH AFTERNOON.  TEMPERATURES WILL ALSO
REMAIN SIMILAR TO OR COOL SLIGHTLY THE NEXT COUPLE OF DAYS...BEFORE
FALLING TO NEAR NORMAL ON THURSDAY.  OVERNIGHT HUMIDITY RECOVERIES
WILL REMAIN IN THE GOOD TO MODERATE RANGE.  LOCALLY GUSTY SOUTHWEST
WINDS WILL BE POSSIBLE EACH AFTERNOON...AND ESPECIALLY WITH THE
APPROACH AND TROUGH PASSAGE ON THURSDAY.


.TUESDAY...
SKY/WEATHER.........SUNNY. A FEW CUMULUS BUILD UPS IN THE AFTERNOON.
MAX TEMPERATURE.....79-83.
MIN HUMIDITY........18-22 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE WINDS LESS THAN 4 MPH BECOMING
                    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 8000 FT
                    AGL LATE IN THE MORNING.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.

.TUESDAY NIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....40-44.
MAX HUMIDITY........75-80 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHWEST WINDS 3 TO 8 MPH IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
   RIDGETOP.........SOUTHWEST 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......8000 FT AGL FALLING TO NEAR THE SURFACE.
MIXING WINDS........SOUTHWEST 5 TO 15 MPH.

.WEDNESDAY...
SKY/WEATHER.........SUNNY. A FEW CUMULUS BUILD UPS IN THE AFTERNOON.
MAX TEMPERATURE.....77-81.
MIN HUMIDITY........16-20 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE WINDS LESS THAN 4 MPH BECOMING
                    SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
   RIDGETOP.........SOUTHWEST WINDS 6 TO 12 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......NEAR THE SURFACE INCREASING TO AROUND 8000 FT
                    AGL LATE IN THE MORNING.
MIXING WINDS........SOUTHWEST 10 TO 15 MPH.


FORECASTER...PALMER
REQUESTED BY...TOM GARCIA
REASON FOR REQUEST...WFU
.TAG 20090810.FAIRF.01/STO

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