FNUS76 KSEW 261524
FWSSEW

SPOT FORECAST FOR SOUTH WEIR PRAIRIE...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
824 AM PDT WED AUG 26 2009

FORECAST IS BASED ON IGNITION TIME OF 1230 PDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER LEVEL HIGH PRESSURE RIDGE WILL BUILD OVER
THE REGION TODAY...BRINGING A PRONOUNCED LAYER OF STABLE AIR ABOUT
2500 TO 3000 FEET OVER THE BURN TODAY. THE BUILDING HIGH PRESSURE
ALOFT WILL CAUSE A SIGNIFICANT WARMING AND DRYING TREND.
TONIGHT...SOUTHERLY FLOW ALOFT JUST ABOVE THE MIXED LAYER WILL
INCREASE QUITE A BIT.

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

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0%.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........NEARLY CALM WIND AT IGNITION TIME...BECOMING
                    NORTH-NORTHWEST WIND 2 TO 4 MPH AROUND 1500 PDT.
MIXING HEIGHT.......RISING TO 2800 FT AGL BY EARLY AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
HAINES INDEX........MID-LEVEL....5 OR MODERATE.
                    HIGH-LEVEL...3 OR VERY LOW.

.TONIGHT...

WIND (20 FT)........NORTH-NORTHEAST WIND 3 TO 5 MPH EARLY THIS
                    EVENING...BECOMING CALM OR SOUTHEAST UNDER
                    3 MPH.
MIXING HEIGHT.......LOWERING TO UNDER 200 FT AGL THIS EVENING.
TRANSPORT WINDS.....NORTHEAST 5 MPH EARLY THIS EVENING...BECOMING
                    SOUTHEAST 0 TO 5 MPH LATE THIS EVENING.

$$
FORECASTER...HANER
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090826.SOUTH.01/SEW