FNUS76 KSTO 161705
FWSSTO

SPOT FORECAST FOR PACIFIC PILE BURNING...FOREST SERVICE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1005 AM PDT FRI OCT 16 2009

#280-09

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON OCTOBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL BUILD OVER THE AREA WITH A WARMING AND DRYING
TREND TODAY. LOW PRESSURE MOVING ACROSS THE PACIFIC NORTHWEST
WILL BRING A COOLING TREND TO THE BURN SITE ON SATURDAY...AND AN
INCREASE IN HUMIDITY. THIS WILL BE FOLLOWED BY A STRONGER LOW
PRESSURE SYSTEM THAT WILL BRING A CHANCE OF SHOWERS TO THE BURN
SITE EARLY NEXT WEEK.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS LESS THAN 5 MPH THIS MORNING BECOMING
                    UPSLOPE OR WEST 2 TO 6 MPH IN THE AFTERNOON.
   RIDGETOP.........EAST 7 TO 13 MPH THIS MORNING BECOMING WEST 5 TO
                    10 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 4000 FT AGL.
MIXING WINDS........EAST 3 TO 6 MPH THIS MORNING BECOMING WEST UP TO
                    5 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....50-57.
MAX HUMIDITY........50-60 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....BECOMING DOWNSLOPE OR NORTHEAST UP TO 5 MPH.
   RIDGETOP.........BECOMING EAST 4 TO 8 MPH IN THE EVENING...THEN
                    BECOMING SOUTHEAST TO SOUTH 10 TO 18 MPH BY
                    MORNING.
CWR.................0 PERCENT.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL.
MIXING WINDS........EAST LESS THAN 5 MPH BECOMING SOUTHEAST 5 TO
                    10 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
MAX TEMPERATURE.....65-69.
MIN HUMIDITY........36-42 PERCENT IN THE MORNING...HUMIDITY
                    RISING LATER IN THE AFTERNOON.
WIND (20 FT)........
   SLOPE/VALLEY.....SOUTHEAST 4 TO 8 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 8 TO 12 MPH IN THE AFTERNOON.
   RIDGETOP.........SOUTHEAST 10 TO 18 MPH BECOMING SOUTHWEST 12 TO
                    22 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......RISING TO 3000 TO 3500 FT AGL.
MIXING WINDS........SOUTHEAST 4 TO 9 MPH IN THE MORNING BECOMING
                    SOUTH 10 TO 14 MPH.


FORECASTER...JHM
REQUESTED BY...VALERIE HENDON
REASON FOR REQUEST...PRESCRIBED
.TAG 20091016.PACIF.01/STO

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