FNUS76 KSEW 131628
FWSSEW

SPOT FORECAST FOR STEHEKIN PILES 09...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE SEATTLE WA
828 AM PST FRI NOV 13 2009

FORECAST IS BASED ON IGNITION TIME OF 0840 PST ON NOVEMBER 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A VIGOROUS COLD FRONT WILL MOVE THROUGH WESTERN
WASHINGTON THIS MORNING. THE SNOW LEVEL WILL FALL TO AROUND 1000
FEET RESULTING IN SNOW SHOWERS ACROSS THE AREA. HIGH PRESSURE WILL
BUILD OVER THE AREA LATER TONIGHT AND SATURDAY MORNING. A WARM FRONT
WILL REACH THE REGION SATURDAY NIGHT. A MILD WET FRONTAL SYSTEM WILL
STALL OVER THE REGION EARLY IN THE WEEK...WITH THE HEAVIEST RAIN
EXPECTED TO FALL OVER VANCOUVER ISLAND AND THE B.C. COAST. AN ACTIVE
WEATHER PATTERN WILL PERSIST THROUGH NEXT WEEK.

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

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS. ACCUMULATION LESS
                    THAN 1 INCH.
CWR.................15 PERCENT.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........76 PERCENT.
EYE LEVEL WINDS.....NW WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 3500 FT AGL.
TRANSPORT WINDS.....NW AROUND 10 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................5 PERCENT.
MIN TEMPERATURE.....AROUND 21.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 6 TO 10 MPH.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 1500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 11 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........76 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 3 TO 7 MPH.
MIXING HEIGHT.......1800-2800 FT AGL.
TRANSPORT WINDS.....LIGHT WIND.

$$
FORECASTER...MERCER
REQUESTED BY...MICHAEL KOENEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20091113.STEHE.01/SEW