FNUS76 KSEW 151521
FWSSEW

SPOT FORECAST FOR TA-20 UPPER WEIR EAST...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
821 AM PDT WED SEP 15 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A COLD FRONT OFFSHORE WILL CONTINUE TO SLOWLY MOVE
TOWARD WASHINGTON TODAY. AS A RESULT CLOUDS WILL THICKEN STEADILY
THROUGH THE DAY WITH LIGHT RAIN MOVING INTO THE AREA AFTER 2-3 PM
THIS AFTERNOON. THE RAIN WILL CONTINUE INTO THE EVENING HOURS
BEFORE TAPERING OFF LATE TONIGHT.

WINDS AT THE SURFACE AND ALOFT WILL BE SOUTHEAST TO SOUTH
TODAY...VERY LIGHT THIS MORNING AND PICKING UP A BIT THIS
AFTERNOON AS THE FRONT DRAWS NEARER.

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

.TODAY...

SKY/WEATHER.........THICKENING CLOUDS. LIGHT RAIN DEVELOPING MID
                    TO LATE THIS AFTERNOON.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 1 TO 3 MPH SHIFTING TO THE
                    SOUTHWEST 3 TO 7 MPH THIS AFTERNOON.
MIXING HEIGHT.......600 FT AGL INCREASING TO 5800 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 8 MPH.
HAINES INDEX........2 OR VERY LOW.

.TONIGHT...

MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........NEAR 100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 3 TO 6 MPH.
MIXING HEIGHT.......5800 FT AGL DECREASING TO 1700 FT AGL LATE IN
                    THE EVENING.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
HAINES INDEX........2 OR VERY LOW.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
RAIN LIKELY. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. NORTHWEST
WINDS 3 TO 5 MPH.
.SATURDAY...
RAIN. LOWS IN THE MID 50S. HIGHS IN THE MID 60S. SOUTHWEST WINDS
3 TO 5 MPH.
.SUNDAY...
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS IN THE LOWER 50S. HIGHS IN
THE MID 60S. SOUTHWEST WINDS 3 TO 6 MPH.

$$
FORECASTER...CERNIGLIA
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100915.TA20U.01/SEW