FNUS76 KSEW 241412
FWSSEW

SPOT FORECAST FOR TA 7S PRAIRIE...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
712 AM PDT MON AUG 24 2009

FORECAST IS BASED ON IGNITION TIME OF 1030 MDT ON AUGUST 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER LEVEL RIDGE OF HIGH PRESSURE MOVING ACROSS
WESTERN WASHINGTON WILL BRING SUNNY SKIES...WARMER TEMPERATURES AND
DRIER CONDITIONS TODAY. A WEAK COLD FRONT WILL CROSS WESTERN WASHINGTON
TUESDAY MORNING WITH A LITTLE RAIN...MAINLY ALONG THE COAST AND WEST
SLOPES OF THE OLYMPICS. SUNNIER WEATHER WILL RETURN WEDNESDAY AND
THURSDAY AS AN UPPER RIDGE BUILDS. ANOTHER WEAK FRONT WILL BRING A
CHANCE OF RAIN FRIDAY...BUT THE RIDGE WILL REBUILD OVER THE AREA THIS
WEEKEND.

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

NOTE...20 FOOT WINDS FORECAST DUE TO NO LOCAL OBSERVATIONS AVAILABLE.
       USED CURRENT MCCHORD AFB AND GRAY ARMY AIRFIELD OBSERVATIONS.

.TODAY...

SKY/WEATHER.........LOW CLOUDS AND AREAS OF FOG EARLY THIS MORNING
                    BECOMING MOSTLY SUNNY SKIES BY NOON.
MAX TEMPERATURE.....68-61 AT IGNITION TIME WITH A HIGH OF 72-75.
MIN HUMIDITY........72-76 PERCENT AT IGNITION TIME...AFTERNOON MINIMUM
                    37-41 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT SE WINDS 2 TO 4 MPH THIS MORNING BECOMING
                    NORTHWEST 4 TO 6 MPH BY NOON.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 5300 FT AGL LATE IN
                    THE MORNING.
TRANSPORT WINDS.....LIGHT AND VARIABLE WIND 2 TO 4 MPH.
HAINES INDEX........
   LOW LEVEL........4 OR LOW.
   HIGH LEVEL.......3 OR VERY LOW.
RAINFALL AMOUNT.....0.00 INCHES.

.TONIGHT...

CWR.................0%.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST 4 TO 6 MPH...WEST TO SOUTHWEST WINDS
                    5 TO 8 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5300 FT AGL DECREASING TO 2100 FT AGL LATE IN
                    THE EVENING.
TRANSPORT WINDS.....WEST TO SOUTHWEST 7 TO 10 MPH.
RAINFALL AMOUNT.....0.00 INCHES.

$$
FORECASTER...PRANGE
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090824.TA7SP.01/SEW