FNUS76 KSTO 281341
FWSSTO

SPOT FORECAST FOR PILES...USFS
NATIONAL WEATHER SERVICE SACRAMENTO CA
541 AM PST WED JAN 28 2009

#012-09

FORECAST IS BASED ON IGNITION TIME OF 0900 PST ON JANUARY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE EASTERN PACIFIC WILL BUILD INLAND DURING THE
NEXT COUPLE OF DAYS CAUSING DRY AND MILD WEATHER OVER THE BURN SITE
FOR THE REST OF THE WORK WEEK. NORTHWEST FLOW ALOFT WILL BECOME
NORTH TO NORTHEAST TONIGHT AND THURSDAY RESULTING IN POOR HUMIDITY
RECOVERY TONIGHT AND UNSEASONABLY LOW HUMIDITIES ON THURSDAY. HIGH
PRESSURE BUILDING INTO NEVADA WILL INCREASE NORTH TO EAST PRESSURE
GRADIENTS RESULTING IN LOCALLY GUSTY NORTHEAST WINDS OVERNIGHT AND
INTO THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....54-60.
MIN HUMIDITY........18-24 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTH 0 TO 2 MPH BECOMING NORTHWEST TO
                    NORTHEAST 2 TO 7 MPH THIS AFTERNOON.
   RIDGETOP.........NORTH TO NORTHEAST 7 TO 15 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......INCREASING TO 2000 TO 2500 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........NORTH TO NORTHEAST 5 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....37-43.
MAX HUMIDITY........35-40 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST TO EAST 9 TO 15 MPH WITH GUSTS
                    TO 25 MPH.
   RIDGETOP.........NORTHEAST 25 TO 35 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......LOWERING TO 500 TO 1000 FT AGL.
MIXING WINDS........NORTHEAST 15 TO 25 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....62-68.
MIN HUMIDITY........8-12 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST TO EAST 8 TO 12 MPH.
   RIDGETOP.........NORTHEAST TO EAST 20 TO 30 MPH WITH GUSTS TO
                    40 MPH IN THE MORNING AND 15 TO 25 WITH GUSTS
                    TO 30 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......RISING TO 2000 FT AGL.
MIXING WINDS........NORTHEAST TO EAST 15 TO 25 MPH IN THE MORNING
                    DECREASING TO 12 TO 20 MPH IN THE AFTERNOON.

FORECASTER...JHM
REQUESTED BY...ROBYN WOODS
REASON FOR REQUEST...PRESCRIBED
.TAG 20090128.PILES.01/STO

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