FNUS76 KSEW 052303
FWSSEW

SPOT FORECAST FOR LANGILLE...USFS GIFFORD PINCHOT
NATIONAL WEATHER SERVICE SEATTLE WA
403 PM PDT WED AUG 5 2009

FORECAST IS BASED ON REQUEST TIME OF 1644 MDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...MARINE AIR MASS ACROSS MOST OF WESTERN WASHINGTON IS
SHOWING ITS STUBBORN SIDE IN ITS SLOW BURN OUT. MOST OF THE CASCADE
WEST SLOPES HAVE CLEARED BUT THE PUGET SOUND REGION...SOUTHWEST
INTERIOR AND ALL THE OLYMPIC SLOPES ARE STILL SHOWING GRADUAL
SIGNS OF CLEARING. WITH THE UPPER LEVEL TROUGH GRADUALLY PUSHING
EASTWARD TONIGHT THROUGH THURSDAY...EXPECT AN EVEN DEEPER AND MORE
STUBBORN MARINE AIR MASS THURSDAY AND FRIDAY. WITH COOLER TEMPS AND
MORE MOISTURE...AN ELEVATED CHANCE OF SHOWERS...ESPECIALLY IN THE
MOUNTAINS...IS NOT OUT OF THE PICTURE. PRECIPITATION AMOUNTS SHOULD
BE VERY LIGHT THOUGH.

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

.THURSDAY...
SKY/WEATHER.........PARTLY SUNNY AFTER MORNING LOW CLOUDS. SLIGHT CHANCE
                    OF AFTERNOON SHOWERS NEAR THE CASCADE CREST.
CWR.................5 PERCENT.
MAX TEMPERATURE.....64-67 VALLEYS AND RIDGES.
MIN HUMIDITY........52-58 PERCENT VALLEYS AND RIDGES.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST 5 TO 9 MPH WITH GUSTS 12 TO 16 MPH
                    AT TIMES.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 4800 FT AGL LATE IN
                    THE MORNING.
TRANSPORT WINDS.....WEST 5 TO 7 MPH.
HIGH HAINES INDEX...3 OR VERY LOW.
LAL.................1.

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF EVENING SHOWERS NEAR THE
                    CASCADE CREST.
CWR.................10 PERCENT.
MIN TEMPERATURE.....47-52 VALLEYS AND RIDGES.
MAX HUMIDITY........88-94 PERCENT VALLEYS AND RIDGES.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 9 MPH WITH GUSTS 12 TO 16 MPH
                    AT TIMES.
MIXING HEIGHT.......4800 FT AGL DECREASING TO 100 FT AGL LATE IN THE
                    EVENING.
TRANSPORT WINDS.....NORTHWEST 8 TO 12 MPH.
HIGH HAINES INDEX...3 OR VERY LOW.
LAL.................1.

.FRIDAY...
CLOUDY. CHANCE OF SHOWERS. HIGHS IN THE UPPER 50S TO LOWER 60S. LOWS
UPPER 40S TO LOWER 50S. FREEZING LEVEL 11600 FEET. WEST TO NORTHWEST
WINDS 5 TO 7 MPH.
.SATURDAY...
CLOUDY. LOWS IN THE MID TO UPPER 40S. HIGHS IN THE UPPER 50S TO MID
60S. FREEZING LEVEL 11600 FEET. NORTHWEST WINDS 3 TO 5 MPH.
.SUNDAY...
WARMER. MOSTLY CLOUDY. LOWS IN THE UPPER 40S TO LOWER 50S. HIGHS IN
THE UPPER 60S TO LOWER 70S. FREEZING LEVEL 11800 FEET. WEST WINDS
3 TO 5 MPH.
.MONDAY...
MOSTLY CLOUDY. INCREASING CHANCE OF SHOWERS LATE. LOWS IN THE UPPER 40S
AND 50S. HIGHS IN THE MID 60S TO LOWER 70S. FREEZING LEVEL 11800 FEET.
WEST WINDS 3 TO 5 MPH.

$$
FORECASTER...PRANGE
REQUESTED BY...RISA LANGE-NAVARRO
TYPE OF REQUEST...WILDFIRE
.TAG 20090805.LANGI.01/SEW