FNUS76 KSEW 201445
FWSSEW

SPOT FORECAST FOR TA 21 LOWER WEIR II...FORT LEWIS-MCCHORD
NATIONAL WEATHER SERVICE SEATTLE WA
745 AM PDT THU SEP 20 2012

FORECAST IS BASED ON IGNITION TIME OF 1230 PDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...THE FOG IS RATHER SHALLOW THIS MORNING AND IS
EXPECTED TO BURN OFF BETWEEN 10 AM AND NOON REVEALING MOSTLY SUNNY
SKIES. WINDS WILL BE LIGHT WITH A GENERAL WEST TO NORTHWEST FLOW
THROUGH EARLY AFTERNOON BECOMING MORE NORTHWEST TO NORTH LATER
THIS AFTERNOON. THE MIXING HEIGHTS WILL BE SHALLOW UNTIL THE FOG
BURNS OFF THEN RISE THOUGH THE AFTERNOON TO A PEAK AROUND 5 PM.

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

.TODAY...

SKY/WEATHER.........CLOUDY WITH FOG THIS MORNING THEN MOSTLY SUNNY
                    THIS AFTERNOON.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST 0 TO 3 MPH BECOMING
                    NORTHWEST 3 TO 6 MPH THIS AFTERNOON.
MIXING HEIGHT.......500 FT AGL RISING TO 1400 FT AGL AROUND NOON
                    THEN TO 2400 FT AGL LATE IN THE DAY.
TRANSPORT WINDS.....LIGHT AND VARIABLE BECOMING WEST TO 5 MPH
                    MID TO LATE AFTERNOON.

.TONIGHT...

MAX HUMIDITY........NEAR 100 PERCENT.
MIXING HEIGHT.......DROPPING TO 800 FT AGL IN THE EVENING.
TRANSPORT WINDS.....WEST AROUND 5 MPH BECOMING SOUTHWEST 10 TO
                    15 MPH OVERNIGHT.

$$
FORECASTER...CERNIGLIA
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120920.TA21L.01/SEW