FNUS76 KSEW 021555
FWSSEW

SPOT FORECAST FOR SOUTH POINT...USFS GIFFORD PINCHOT
NATIONAL WEATHER SERVICE SEATTLE WA
855 AM PDT TUE OCT 2 2012

FORECAST IS BASED ON REQUEST TIME OF 0847 PDT ON OCTOBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A STRONG UPPER LEVEL RIDGE BUILDING OFFSHORE WILL
DOMINATE THE WEATHER PATTERN THROUGH NEXT WEEKEND...KEEPING THE AIR
MASS QUITE DRY.

SURFACE HIGH PRESSURE BUILDING OVER SOUTHERN BRITISH COLUMBIA THIS
MORNING...IN THE WAKE OF LAST NIGHTS WEAK FRONT THIS MORNINGS UPPER
LEVEL TROUGH...WILL BRING DRY NORTH LOW LEVEL FLOW ACROSS WESTERN
WASHINGTON TODAY. THAT WILL GO ALONG WITH DRY NW FLOW ALOFT. RH AND
DEWPOINTS WILL BE DECREASING THE NEXT COUPLE OF DAYS. CLOUD COVER
OVER THE AREA THIS MORNING WILL DISSIPATE THROUGH EARLY AFTERNOON.

THE SURFACE RIDGE WILL DROP SOUTH OVER THE NORTHERN ROCKIES TONIGHT
CAUSING EASTERLY OFFSHORE FLOW TO DEVELOP LATE TONIGHT. THE EASTERLY
FLOW WILL CONTINUE INTO THE WEEKEND. THE EASTERLY FLOW WILL BE
MOSTLY LIGHT...BUT COULD BECOME BRIEFLY MODERATE AT TIMES. MINIMUM
RH VALUES WILL DROP TO GENERALLY THE 20-40 PERCENT RANGE...AND
HUMIDITY RECOVERY AT NIGHT WILL BE MARGINAL.

 FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
 MINUTE AVERAGES REFLECTING RAWS WINDS.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.
CWR.................0%.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 6 TO 16 MPH.
MIXING HEIGHT.......1100 FT AGL INCREASING TO 3100 FT AGL LATE IN
                    THE MORNING.
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
HAINES INDEX........4 OR LOW.
LAL.................1.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0%.
MIN TEMPERATURE.....AROUND 31.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 8 TO 11 MPH SHIFTING TO THE
                    SOUTH UP TO 3 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 11 MPH.
HAINES INDEX........4 OR LOW.
LAL.................1.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0%.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 6 TO 15 MPH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 4800 FT AGL LATE IN
                    THE MORNING.
TRANSPORT WINDS.....EAST AROUND 22 MPH.
HAINES INDEX........4 OR LOW.
LAL.................1.

$$
FORECASTER...KAM
REQUESTED BY...RUSSELL WILSTEAD
TYPE OF REQUEST...WILDFIRE
.TAG 20121002.SOUTH.01/SEW