FNUS76 KSEW 091619
FWSSEW

SPOT FORECAST FOR TA 6 SOUTH PRAIRIE...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
919 AM PDT WED SEP 9 2009

FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER LEVEL LOW PRESSURE TROUGH WAS MOVING ACROSS
WESTERN WASHINGTON THIS MORNING. THIS WILL SUPPORT CLOUDS AND
SCATTERED SHOWERS THIS AFTERNOON AFTER IGNITION TIME. THE TROUGH
WILL MOVE EAST OF THE CASCADES LATE THIS AFTERNOON WITH HIGHER
PRESSURE BUILDING IN. THIS SHOULD BRING FAIRLY RAPID CLEARING
TONIGHT WITH OVERNIGHT FOG DEVELOPMENT.

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

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. TWO OR THREE BRIEF RAIN SHOWERS
                    DURING THE AFTERNOON.
CWR (>0.25")........20 PERCENT.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......RISING TO 1300 FT AGL THIS AFTERNOON.
TRANSPORT WINDS.....WEST-SOUTHWEST AROUND 14 MPH.
HAINES INDEX........MID-LEVEL....3 OR VERY LOW.
                    HIGH-LEVEL...2 OR VERY LOW.
RAINFALL AMOUNT.....0.09 INCHES.

.TONIGHT...

MIXING HEIGHT.......1300 FT AGL DECREASING TO LESS THAN 100 FT AGL
                    LATE THIS EVENING.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH EARLY THIS EVENING...
                    BECOMING NEARLY CALM OVERNIGHT.

$$
FORECASTER...HANER
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090909.TA6SO.01/SEW