FNUS76 KSEW 021347
FWSSEW

SPOT FORECAST FOR MIMA MOUNDS...WASHINGTON DNR
NATIONAL WEATHER SERVICE SEATTLE WA
647 AM PDT WED SEP 2 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON SEPTEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...HIGH PRESSURE OVER WESTERN WASHINGTON WILL WEAKEN TODAY
AS A COOL UPPER LEVEL TROUGH WELL OFFSHORE BEGINS TO APPROACH THE
AREA. THE TROUGH WILL MOVE INTO THE COASTAL WATERS TONIGHT THEN MOVE
NORTHEAST INTO BRITISH COLUMBIA THURSDAY MORNING. AS THE TROUGH
MOVES THROUGH THERE IS A CHANCE OF SHOWERS OVER THE AREA. ANOTHER
WEATHER SYSTEM WILL APPROACH THE AREA ON FRIDAY AND DISSIPATE ALONG
THE COAST FRIDAY NIGHT. A STRONGER SYSTEM WILL MOVE THROUGH THE AREA
SATURDAY AND SATURDAY NIGHT. AN UPPER LEVEL TROUGH WILL REMAIN
OFFSHORE THROUGH MONDAY KEEPING A CHANCE OF SHOWERS IN THE FORECAST.
THE TROUGH WILL BEGIN TO WEAKEN ON TUESDAY.

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

.TODAY...

SKY/WEATHER.........CLOUDY BECOMING MOSTLY SUNNY IN THE AFTERNOON.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........48 PERCENT.
EYE LEVEL WINDS.....LIGHT WIND BECOMING SOUTHWEST 4 TO 8 MPH IN THE AFTERNOON.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WIND BECOMING SOUTHWEST 4 TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL INCREASING TO 5600 FT AGL LATE IN
                    THE MORNING.
TRANSPORT WINDS.....LIGHT WIND.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AFTER
                    MIDNIGHT.
CWR.................LESS THAN 10%.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........96 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 10 MPH EASING TO 3
                    TO 5 MPH AFTER MIDNIGHT.

$$
FORECASTER...FELTON
REQUESTED BY...E  ROSENQUIST
TYPE OF REQUEST...PRESCRIBED
.TAG 20090902.MIMAM.01/SEW