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878
FNUS76 KSEW 211555
FWSSEW

SPOT FORECAST FOR UPPER WEIR EDGE...FORT LEWIS-MCCHORD
NATIONAL WEATHER SERVICE SEATTLE WA
855 AM PDT THU AUG 21 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A DEEPENING UPPER LEVEL TROUGH AND ONSHORE FLOW WILL
BE THE DOMINANT WEATHER FEATURES FOR TODAY AND FRIDAY. CLOUDS OVER
THE BURN SITE WILL THIN SLOWLY THROUGH THE MORNING HOURS BEFORE
GIVING WAY TO MOSTLY SUNNY SKIES BY EARLY AFTERNOON. TODAY WILL BE
ANOTHER DAY OF BELOW AVERAGE AFTERNOON HIGH TEMPERATURES...SIMILAR
TO YESTERDAY.

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

.TODAY...

SKY/WEATHER.........CLOUDY THEN BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH.
MIXING HEIGHT.......1900-2900 FT AGL INCREASING TO 4000 FT AGL LATE
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.
HAINES INDEX........4 OR LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 9 MPH SHIFTING TO THE SOUTH
                    AFTER MIDNIGHT.

$$
FORECASTER...REEDY
REQUESTED BY...JOHN RICHARDSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20140821.UPPER.01/SEW








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