FNUS76 KSEW 211336
FWSSEW

SPOT FORECAST FOR RAINBOW BRIDGE...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE SEATTLE WA
636 AM PDT SAT AUG 21 2010

FORECAST IS BASED ON REQUEST TIME OF 0629 PDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION....AN UPPER TROUGH AND WEAK FRONTAL SYSTEM WILL BRING AN
INCREASING CHANCE OF SHOWERS TO WESTERN WASHINGTON TONIGHT AND SUNDAY.
SHOWERS ARE NOT LIKELY EAST OF THE CASCADE CREST. STRONG HIGH PRESSURE
WILL BUILD EARLY NEXT WEEK...THEN GIVE WAY TO ANOTHER TROUGH AFTER
MIDWEEK.

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

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....75.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 MPH.
HAINES INDEX........3 OR VERY LOW.
LAL.................1.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................LESS THAN 10%.
MIN TEMPERATURE.....50.
MAX HUMIDITY........75 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 15 MPH.
HAINES INDEX........2 OR VERY LOW.
LAL.................1.

.SUNDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF A SHOWER.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....65 TO 70.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 15 MPH.
HAINES INDEX........2 OR VERY LOW.
LAL.................1.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
WARMER. PARTLY CLOUDY. HIGHS IN THE MID TO UPPER 70S.
WEST WINDS 5 TO 15 MPH.
.TUESDAY...
SUNNY. HIGHS IN THE 80S. SOUTHEAST WINDS 5 MPH.
.WEDNESDAY...
PARTLY CLOUDY. HIGHS IN THE LOWER 80S. WEST WINDS 5 MPH.

$$
FORECASTER...MCFARLAND
REQUESTED BY...LESHA HASTINGS-SKAER
TYPE OF REQUEST...WILDFIRE
.TAG 20100821.RAINB.01/SEW