FNUS76 KSEW 080014
FWSSEW

SPOT FORECAST FOR RAINBOW BRIDGE FIRE...NPS NORTH CASCADES
NATIONAL WEATHER SERVICE SEATTLE WA
514 PM PDT SAT AUG 7 2010

FORECAST IS BASED ON REQUEST TIME OF 1655 PDT ON AUGUST 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER TROUGH PASSING ACROSSING WASHINGTON WILL
PUSH AN AREA OF LIGHT RAIN ACROSS THE FIRE EARLY THIS EVENING. THE
RAIN SHOULD TAPER OFF LATE THIS EVENING. A COOL AND SOMEWHAT HUMID
AIR MASS WILL REMAIN IN PLACE THROUGH SUNDAY. WESTERLY PRESSURE
GRADIENTS THROUGH THE CASCADES WILL CAUSE STEADY NORTHWEST WINDS
TO CONTINUE BLOWING DOWN THE STEHEKIN VALLEY.

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

.TONIGHT...

SKY/WEATHER.........CLOUDY. A FEW HOURS OF LIGHT RAIN EARLY THIS
                    EVENING. RAIN SHOULD TAPER OFF TO SPRINKLES OR
                    END LATE THIS EVENING.
CWR (>0.20")........15 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 4 TO 7 MPH.
HAINES INDEX........MID-LEVEL....3 OR VERY LOW.
                    HIGH-LEVEL...2 OR VERY LOW.
LAL.................1.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY. A BRIEF SPRINKLE OR SHOWER IS
                    POSSIBLE...BUT THE DAY SHOULD BE MOSTLY
                    RAIN-FREE.
CWR (>0.20")........LESS THAN 5%.
MAX TEMPERATURE.....79-83.
MIN HUMIDITY........32-36 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH.
HAINES INDEX........MID-LEVEL....4 OR LOW.
                    HIGH-LEVEL...2 OR VERY LOW.
LAL.................1.

$$
FORECASTER...HANER
REQUESTED BY...LESHA HASTINGS-SKAER
TYPE OF REQUEST...WILDFIRE
.TAG 20100807.RAINB.01/SEW