FNUS76 KSEW 220138
FWSSEW

SPOT FORECAST FOR SOUTH POINT...USFS GIFFORD PINCHOT
NATIONAL WEATHER SERVICE SEATTLE WA
638 PM PDT FRI SEP 21 2012

FORECAST IS BASED ON REQUEST TIME OF 1802 PDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

...RED FLAG WARNING IN EFFECT FROM 2 AM TO 11 AM PM PDT SATURDAY FOR
ISOLATED TO SCATTERED DRY LIGHTNING AND EXCESSIVELY DRY FUELS...

...WINDS MAY BE GUSTY AND ERRATIC NEAR ANY THUNDERSTORMS ABOVE TOP OF THE
MARINE CLOUD LAYER...

.DISCUSSION...AN UPPER LOW OFFSHORE WILL SLOWLY APPROACH THE AREA
TONIGHT AND SATURDAY...THEN SLIDE TO OUR SOUTHEAST ON SUNDAY.
SOUTHERLY FLOW WILL INCREASE HIGH LEVEL MOISTURE AND INSTABILITY LATER
TONIGHT AND SATURDAY...WELL ABOVE THE MARINE LAYER. THIS COMBINATION WILL
PRODUCE THREAT OF ISOLATED THUNDERSTORMS FOR PORTIONS OF THE AREA LATE
TONIGHT THROUGH SATURDAY EVENING. AT THIS TIME THE PRIMARY FOCUS
FOR OUR AREA IS THE CASCADES AND THE ADJACENT FOOTHILLS AREA. AS
THE LOW MOVES TO THE SOUTHEAST SATURDAY NIGHT AND SUNDAY THE THREAT
FOR OUR AREA RAPIDLY DIMINISHES.

BEYOND THAT THE ONSHORE FLOW CONTINUES AND A VERY WEAK FRONT IS
EXPECTED TO MOVE ACROSS THE AREA MONDAY NIGHT INTO TUESDAY. THIS FRONT
WILL ENHANCE THE ONSHORE FLOW...HOWEVER IT IS EXPECTED TO BE
PRIMARILY A DRY FRONT.

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

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY. SLIGHT
                    CHANCE OF AN ISOLATED SHOWER OR THUNDERSTORM AFTER
                    MIDNIGHT.
CWR.................LESS THAN 10%.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 2 TO 5 MPH.
HAINES INDEX........4 OR LOW.
LAL.................1...POSSIBLY A 2 LATE.
RAINFALL AMOUNT.....NONE.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................LESS THAN 10%.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WIND 2 TO 5 MPH...BECOMING SOUTHWEST
                    5 TO 8 MPH IN THE AFTERNOON.
HAINES INDEX........4 OR LOW.
LAL.................2.
RAINFALL AMOUNT.....0.02 INCHES.

$$
FORECASTER...MERCER
REQUESTED BY...BRIAN WOLVERT
TYPE OF REQUEST...WILDFIRE
.TAG 20120921.SOUTH.01/SEW