Suppression Forecast
Issued by NWS Seattle/Tacoma, WA

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FNUS76 KSEW 031845
FWSSEW

SPOT FORECAST FOR SUNNYSIDE...WASHINGTON DNR
NATIONAL WEATHER SERVICE SEATTLE WA
1145 AM PDT THU SEP 3 2015

FORECAST IS BASED ON REQUEST TIME OF 1138 PDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...THE UPPER LEVEL LOW OVER SOUTHWEST BRITISH COLUMBIA
RESPONSIBLE FOR THIS PROLONGED EPISODE OF COOL AND WET WEATHER
WILL CONTINUE TO SLOWLY MOVE SOUTH THROUGH THE AREA TODAY BRINGING
MORE SHOWERS AND ISOLATED THUNDERSTORMS. IN ADDITION...SNOW LEVELS
ARE AROUND 5000 TO 6000 FT...WHICH MAY BRING SNOWFALL TO
ELEVATIONS ABOVE THAT. ONCE THE LOW REACHES SOUTHERN OREGON ON
FRIDAY CONDITIONS ARE EXPECTED TO START TO DRY OUT. SHORTWAVE
RIDGING IS EXPECTED TO BUILD OVER THE AREA SATURDAY...CONTINUING
THE DRY CONDITIONS AND WARMING TEMPERATURES TO NEAR OR SLIGHTLY
ABOVE AVERAGE. A WEAK WEATHER SYSTEM WILL MOVE INTO WESTERN CANADA
SUNDAY BRINGING CLOUDS AND ANOTHER CHANCE OF SHOWERS.

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

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS THROUGH THE
                    DAY. SLIGHT CHANCE OF THUNDERSTORMS.
CWR.................10 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
HAINES INDEX........3 OR VERY LOW.
LAL.................2.
RAINFALL AMOUNT.....0.03 INCHES.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE EVENING.
CWR.................LESS THAN 10%.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 2 TO 6 MPH.
HAINES INDEX........3 OR VERY LOW.
LAL.................2.
RAINFALL AMOUNT.....0.02 INCHES.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 3 TO 6 MPH.
HAINES INDEX........3 OR VERY LOW.
LAL.................1.
RAINFALL AMOUNT.....0.00 INCHES.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
SOUTHEAST WINDS 3 TO 6 MPH.
.SUNDAY...
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
HIGHS AROUND 70. SOUTHWEST WINDS 5 TO 9 MPH.
.LABOR DAY...
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 70. EAST WINDS
3 TO 4 MPH.

$$
FORECASTER...BOWER
REQUESTED BY...SEAN KIBBE
TYPE OF REQUEST...WILDFIRE
.TAG 20150903.SUNNY.01/SEW



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