FNUS76 KSEW 231444
FWSSEW

SPOT FORECAST FOR TA 14...FORT LEWIS-MCCHORD
NATIONAL WEATHER SERVICE SEATTLE WA
744 AM PDT THU AUG 23 2012

FORECAST IS BASED ON IGNITION TIME OF 0745 PDT ON AUGUST 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A TROUGH OF LOW PRESSURE ALOFT IS MOVING ONSHORE
TODAY FOR AN INCREASE IN LOW LEVEL ONSHORE FLOW INTO WESTERN
WASHINGTON. THIS SYSTEM WILL MAINTAIN MARINE CLOUD COVER AND
COOLER THAN AVERAGE TEMPERATURES BUT VERY LITTLE IN THE WAY OF
PRECIPITATION. A WEAK UPPER LEVEL RIDGE OF HIGH PRESSURE IS
FORECAST TO MOVE ONSHORE FRIDAY AND SATURDAY FOR LESS CLOUDINESS
AND WARMER TEMPERATURES. ANOTHER UPPER LOW PRESSURE SYSTEM IS
EXPECTED TO MOVE INTO THE AREA EARLY NEXT WEEK BUT TIMING IS
UNCERTAIN. NO WETTING RAIN IS EXPECTED FROM ANY OF THE SYSTEMS AT
THIS TIME.

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

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF DRIZZLE IN THE
                    MORNING.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........SLOPE/VALLEY.......WEST SOUTHWEST WINDS 4 TO 9 MPH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 5700 FT AGL LATE IN THE
                    MORNING.
TRANSPORT WINDS.....LIGHT WINDS.
HAINES INDEX........4 OR LOW.

.TONIGHT...

MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........90 PERCENT.
MIXING HEIGHT.......5700 FT AGL DECREASING TO 1600 FT AGL LATE IN
                    THE EVENING.
TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
MOSTLY CLEAR. PATCHY FOG. LOWS IN THE MID 40S. HIGHS IN THE MID 70S.
NORTH WINDS 3 TO 5 MPH.
.SUNDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S. WEST
WINDS UP TO 3 MPH.
.MONDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S. WEST
WINDS UP TO 5 MPH.

$$
FORECASTER...BOWER
REQUESTED BY...DAN LEEPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120823.TA14_.01/SEW