FNUS76 KSEW 201347
FWSSEW

SPOT FORECAST FOR RAINBOW BRIDGE...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE SEATTLE WA
647 AM PDT FRI AUG 20 2010

FORECAST IS BASED ON REQUEST TIME OF 0639 PDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER TROUGH WILL DEVELOP AND MOVE THROUGH THE REGION
THIS WEEKEND. A WEAK SURFACE TROUGH OR COLD FRONT WILL MOVE THROUGH
WESTERN WASHINGTON AROUND DAYBREAK SUNDAY. ONSHORE FLOW WILL PERSIST
AND DAYTIME TEMPERATURES WILL CONTINUE TO RUN BELOW NORMAL THROUGH
THIS WEEKEND. HIGH PRESSURE WILL BUILD MONDAY.

 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........30 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....WEST WINDS 5 TO 10 MPH.
HAINES INDEX........4 OR LOW.
LAL.................1.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................LESS THAN 10%.
MIN TEMPERATURE.....50.
MAX HUMIDITY........75 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....WEST WINDS 5 TO 10 MPH.
HAINES INDEX........3 OR VERY LOW.
LAL.................1.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....75.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....WEST WINDS 5 TO 10 MPH.
HAINES INDEX........3 OR VERY LOW.
LAL.................1.

$$

REQUESTED BY...LESHA HASTINGS-SKAER
TYPE OF REQUEST...WILDFIRE
.TAG 20100820.RAINB.01/SEW