FNUS76 KSEW 181453
FWSSEW

SPOT FORECAST FOR UPPER WEIR PRAIRIE E...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
753 AM PDT WED AUG 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...THE MARINE LAYER WILL REMAIN ENTRENCHED OVER THE
AREA THROUGH THE DAY WITH BREAKOUT INTO PARTLY SUNNY SKIES
OCCURRING RATHER LATE IN THE DAY. WE WILL MAINTAIN A SOUTHWEST TO
WEST BREEZE THROUGH THE DAY AS THE ONSHORE FLOW CONTINUES.

THE MARINE LAYER WILL DEEPEN OVERNIGHT TONIGHT INTO THURSDAY SO
THAT SKIES ARE EXPECTED TO REMAIN OVERCAST THURSDAY.

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

.TODAY...

SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY SUNNY LATE
                    IN THE DAY.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH BECOMING WEST
                    THIS AFTERNOON.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH.
HAINES INDEX........4 OR LOW.

.TONIGHT...

MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 3 TO 6 MPH.
MIXING HEIGHT.......4000 FT AGL DECREASING TO 1400 FT AGL LATE IN
                    THE EVENING.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.

$$
FORECASTER...CERNIGLIA
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100818.UPPER.01/SEW