FNUS76 KSEW 181500
FWSSEW

SPOT FORECAST FOR TA-6 E...FT LEWIS FORESTRY
NATIONAL WEATHER SERVICE SEATTLE WA
800 AM PDT WED JUL 18 2012

FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON JULY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A WELL-DEFINED MARINE LAYER WILL COVER THE BURN
AREA TODAY...LOWERING MIXING HEIGHTS BELOW JULY NORMALS AND
CAPPING THE MIXED LAYER WITH A STRONG INVERSION. MARINE CLOUDS
WILL HANG ON STUBBORNLY TODAY...WITH ONLY SOME SUN BREAKS EXPECTED
LATER THIS AFTERNOON. COOLER AND MORE HUMID CONDITIONS ARE
EXPECTED...COMPARED WITH TUESDAY AFTERNOON.

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

.TODAY...

SKY/WEATHER.........CLOUDY AT IGNITION TIME. REMAINING MOSTLY
                    CLOUDY THROUGH THE AFTERNOON WITH A FEW
                    SUN BREAKS AFTER 1500 PDT.
CWR.................0%.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 4 TO 8 MPH...BECOMING MORE
                    WESTERLY AFTER 1600 PDT.
MIXING HEIGHT.......PEAKING NEAR 2800 FT AGL THIS AFTERNOON.
                    INVERSION CAPPING THE MIXED LAYER.
TRANSPORT WINDS.....WEST-SOUTHWEST 5 TO 8 MPH.
HAINES INDEX........HIGH-LEVEL...3 OR VERY LOW.
                    MID-LEVEL....4 OR LOW.

.TONIGHT...

WIND (20 FT)........WEST-SOUTHWEST WINDS UP TO 7 MPH...BECOMING
                    LIGHT AFTER SUNSET.
MIXING HEIGHT.......FALLING TO NEAR 1000 FT AGL AFTER SUNSET.
TRANSPORT WINDS.....WEST-SOUTHWEST AROUND 7 MPH...BECOMING
                    NORTHWEST AROUND 3 MPH AFTER MIDNIGHT.

$$
FORECASTER...HANER
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120718.TA6E_.01/SEW