FNUS76 KSEW 182340
FWSSEW

SPOT FORECAST FOR RAINBOW BRIDGE...NPS
NATIONAL WEATHER SERVICE SEATTLE WA
440 PM PDT WED AUG 18 2010

FORECAST IS BASED ON REQUEST TIME OF 1616 PDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...LOW LEVEL ONSHORE FLOW WILL INCREASE OVERNIGHT WEST OF
THE CASCADES. WITH THE DEEPENING MARINE LAYER IN THE
WEST...NORTHWEST WINDS WILL PREVAIL SPECIALLY DURING THE AFTERNOON
AND EVENING HOURS. THE GENERAL PATTERN OF LOW LEVEL ONSHORE FLOW
AND WEAK UPPER LEVEL TROUGHS MOVING THROUGH THE AREA WILL BRING
ABOUT A PERIOD OF COOLER THAN NORMAL TEMPERATURES AND HIGHER
HUMIDITIES THROUGH THE WEEKEND. AN UPPER LEVEL RIDGE WILL BUILD
OVER THE AREA ON MONDAY FOR A RETURN TO MORE SEASONAL
TEMPERATURES EARLY NEXT WEEK.

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

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....74-84.
MIN HUMIDITY........22-33 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO 20
                    MPH IN THE AFTERNOON.
LAL.................1.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................LESS THAN 10%.
MIN TEMPERATURE.....50-60.
MAX HUMIDITY........83-89 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO 20
                    MPH UNTIL MIDNIGHT.
LAL.................1.


.FRIDAY...

SKY/WEATHER.........SUNNY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....71-81.
MIN HUMIDITY........24-36 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....NORTHWEST WINDS 4 TO 8 MPH WITH GUSTS 15 MPH
                    IN THE AFTERNOON.
LAL.................1.

$$
FORECASTER...FELTON
REQUESTED BY...AARON ANDERSON
TYPE OF REQUEST...WILDFIRE
.TAG 20100818.RAINB.01/SEW