FNUS76 KSEW 060133
FWSSEW

SPOT FORECAST FOR RAINBOW BRIDGE...NCNP
NATIONAL WEATHER SERVICE SEATTLE WA
633 PM PDT THU AUG 5 2010

FORECAST IS BASED ON REQUEST TIME OF 1701 MDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...A WEAK UPPER LOW OVER THE REGION TODAY WILL BE
REPLACED BY A STRONGER UPPER TROUGH STARTING FRIDAY NIGHT. THIS
WILL END THE THREAT OF THUNDERSTORMS WEST OF THE CASCADE CREST BY
LATE THIS EVENING. BY FRIDAY ONSHORE FLOW WILL INCREASE...
SUPPORTING A DEEPER MARINE LAYER WITH LOW CLOUDS LASTING UNTIL
LATER IN THE DAY. AS THE TROUGH AXIS PASSES BY ON SATURDAY...A FEW
SHOWERS WILL DEVELOP...ESPECIALLY OVER THE MOUNTAINS AND THE PUGET
SOUND CONVERGENCE ZONE. THE COOL AND HUMID TROUGH WILL LINGER
THROUGH MONDAY. THE FRINGES OF AN UPPER RIDGE WILL TRY TO BUILD
INTO THE REGION AROUND THE MIDDLE OF NEXT WEEK.

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

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
                    EVENING THUNDERSTORMS. PARTLY CLOUDY AFTER MIDNIGHT.
                    EVENING.
CWR.................40%.
MIN TEMPERATURE.....54-62.
MAX HUMIDITY........95 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....VARIABLE WIND TO 10 MPH...EXCEPT A FEW GUSTS TO
                    20 MPH THIS EVENING WITH THE SHOWERS.
HAINES INDEX........3 OR VERY LOW.
LAL.................3.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....85.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....WESTERLY WINDS 5 TO 15 MPH.
HAINES INDEX........3 OR VERY LOW.
LAL.................1.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...
MOSTLY CLOUDY WITH CHANCE OF RAIN. LOWS IN THE UPPER
50S. HIGHS IN THE MID TO UPPER 70S. WEST WINDS 10 MPH.
.SUNDAY...
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN
THE MID TO UPPER 70S. WEST WINDS 10 MPH.
.MONDAY...
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. WEST
WINDS 5 TO 10 MPH.
.TUESDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S. WEST
WINDS 5 TO 10MPH.
.WEDNESDAY...
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID 80S.
.THURSDAY...
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID 80S.

.OUTLOOK FOR  AUGUST 11 THROUGH AUGUST 15...
BELOW NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.

$$
FORECASTER...MCFARLAND
REQUESTED BY...FBAN
TYPE OF REQUEST...WILDFIRE
.TAG 20100805.RAINB.01/SEW