FNUS76 KSTO 080111
FWSSTO

SPOT FORECAST FOR FAIRFIELD...NPS
NATIONAL WEATHER SERVICE SACRAMENTO CA
514 PM PDT FRI AUG 7 2009

#179-09

FORECAST IS BASED ON INCIDENT TIME OF 1700 PDT ON AUGUST 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UPPER LOW PRESSURE SYSTEM WHICH BROUGHT SCATTERED
CLOUDS TO THE FIRE AREA ON FRIDAY WILL CONTINUE EASTWARD TODAY. THIS
WILL MEAN CLEARER SKIES WITH WARMING AND DRYING ON SATURDAY AS HIGH
PRESSURE BUILDS IN FROM THE WEST. THERE WILL BE A FAIRLY SIGNIFICANT
DROP IN HUMIDITY ON SATURDAY WITH A LITTLE MORE DRYING ON SUNDAY.
UPPER LEVEL FLOW WILL TRANSITION TO MAINLY NORTHERLY OVER THE
WEEKEND AND THE NORTHERLY ASPECTS OF THIS FIRE MAY PICK UP A LITTLE
MORE WIND THAN IT HAS IN THE RECENT PAST ESPECIALLY SATURDAY NIGHT.

.TODAY (SATURDAY)...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 69 TO 74.
MIN HUMIDITY........21 TO 25 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....LIGHT NORTH WINDS 0-4 MPH BECOMING MAINLY
                    UPSLOPE AFTER ABOUT 0900.
   RIDGETOP.........NORTHERLY 3 TO 6 MPH.
MIXING HEIGHT.......CLIMBING TO 5000 TO 7000 FEET BY LATE MORNING.
MIXING WINDS........NORTHERLY 4 TO 6 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 36 TO 39.
MAX HUMIDITY........65-75 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST TO EAST 1-4 MPH OCCASIONAL GUSTS TO
                    7 MPH.
   RIDGETOP.........NORTHEAST TO 3 TO 6 GUSTS TO 10 MPH.
MIXING HEIGHT.......DROPPING BELOW 500 FEET AFTER ABOUT 2100.
MIXING WINDS........NORTHEAST 5 TO 10 MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....73 TO 78.
MIN HUMIDITY........18 TO 22 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST 1 TO 4 MPH IN THE EARLY MORNING BECOMING
                    LIGHT UPSLOPE BY LATE MORNING.
   RIDGETOP.........SOUTHEAST 2 TO 5 MPH IN THE EARLY MORNING
                    BECOMING NORTHWEST TO SOUTHWEST IN THE
                    AFTERNOON.
MIXING HEIGHT.......INCREASING TO 5000 TO 6000 FEET AFTER ABOUT
                    0900.
MIXING WINDS........NORTHWEST 2 TO 5 MPH.


FORECASTER...SMITH
REQUESTED BY...TOM GARCIA
REASON FOR REQUEST...WFU
.TAG 20090807.FAIRF.01/STO

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