FNUS76 KSTO 180208
FWSSTO

SPOT FORECAST FOR FAIRFIELD...NPS
NATIONAL WEATHER SERVICE SACRAMENTO CA
708 PM PDT MON AUG 17 2009

FORECAST IS BASED ON INCIDENT TIME OF 1610 PDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE RIDGE MOVING OVER THE AREA WILL BRING A LITTLE
WARMING AND DRYING TODAY (TUESDAY). NORTHEAST SURFACE GRADIENT WILL COMPETE
WITH DOWNSLOPE WINDS NIGHT AND MORNING HOURS WHILE A WEAKER DAYTIME GRADIENT
WILL ENHANCE UPSLOPE FLOW SLIGHTLY TODAY. ONLY MODERATE OVERNIGHT HUMIDITY
RECOVERY IS EXPECTED TONIGHT WITH CONTINUE LOW DAYTIME RH WEDNESDAY. AS THE
RIDGE OF HIGH PRESSURE SHIFTS EASTWARD SLIGHTLY ON WEDNESDAY, TEMPERATURES
WARM JUST A BIT WITH AFTERNOON WINDS SWITCHING TO SOUTHWEST.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....79 TO 84.
MIN HUMIDITY........20 TO 25 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT AND VARIABLE WINDS IN THE MORNING TO 4 MPH
                    BECOMING NORTH AFTER ABOUT 1000 1-5 GUSTS TO 7 MPH.
   RIDGETOP.........EAST 1 TO 4 MPH OCCASIONAL GUSTS TO 7 MPH BECOMING
                    NORTH TO 4 GUSTS TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 8000-9000 FT AGL IN THE AFTERNOON.
MIXING WINDS........NORTHWEST TO NORTHEAST 4 TO 8 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 38 TO 42.
MAX HUMIDITY........72 TO 76 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....BECOMING LIGHT AND VARIABLE AFTER ABOUT 2100.
   RIDGETOP.........BECOMING EAST TO SOUTHEAST TO 5 MPH AFTER ABOUT
                    2100.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......DROPPING TO BELOW 500 FEET.
MIXING WINDS........EAST TO SOUTHEAST 1 TO 5 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80 TO 86.
MIN HUMIDITY........18 TO 23 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....BECOMING UPSLOPE 1 TO 4 GUSTS TO 7 MPH.
   RIDGETOP.........BECOMING SOUTHWEST TO NORTHWEST 2-5 GUSTS TO 7 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 9000 TO 10000 FEET.
MIXING WINDS........WESTERLY 2-5 GUSTS TO 7 MPH.


FORECASTER...SMITH
REQUESTED BY...TOM GARCIA
REASON FOR REQUEST...WFU
.TAG 20090817.FAIRF.01/STO

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