FNUS76 KSEW 190008
FWSSEW

SPOT FORECAST FOR BIG HUMP...USFS OLYMPIC
NATIONAL WEATHER SERVICE SEATTLE WA
508 PM PDT SUN SEP 18 2011

FORECAST IS BASED ON REQUEST TIME OF 1651 PDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...AN UPPER RIDGE WILL START TO BUILD OVER THE BIG
HUMP FIRE ON MONDAY AFTERNOON. THE RIDGE AXIS WILL PASS OVERHEAD
ON TUESDAY...BRINGING MUCH MORE SUNSHINE. TEMPERATURES WILL RETURN
TO NEAR NORMAL ON MONDAY...THEN RISE ABOVE NORMAL ON TUESDAY
AFTERNOON.

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

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0%.
MAX TEMPERATURE.....55-68...DEPENDING ON ELEVATION.
MIN HUMIDITY........51-69 PERCENT...DEPENDING ON ELEVATION.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UPVALLEY 3 TO 6 MPH.
 RIDGE TOP..........NORTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......PEAKING AT 4800 FEET MSL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 MPH EARLY...BECOMING LIGHT.
HAINES INDEX........MID-LEVEL....4 OR LOW.
                    HIGH-LEVEL...2 OR VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0%.
MIN TEMPERATURE.....45-50...DEPENDING ON ELEVATION.
MAX HUMIDITY........77-81 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWNVALLEY 2 TO 4 MPH.
 RIDGE TOP..........NORTHWEST WINDS 3 TO 5 MPH.
MIXING HEIGHT.......DECREASING TO 0 FEET AGL..
TRANSPORT WINDS.....LIGHT WIND. ANY SMOKE GETTING FLUSHED
                    DOWNVALLEY AT 2 TO 4 MPH.
HAINES INDEX........MID-LEVEL....4 OR LOW.
                    HIGH-LEVEL...3 OR VERY LOW.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0%.
MAX TEMPERATURE.....63-76...DEPENDING ON ELEVATION.
MIN HUMIDITY........34-46 PERCENT...DEPENDING ON ELEVATION.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UPVALLEY 3 TO 6 MPH.
 RIDGE TOP..........WEST WINDS 5 TO 7 MPH SHIFTING TO THE SOUTH 4
                    TO 6 MPH IN THE AFTERNOON.
MIXING HEIGHT.......PEAKING AT 6200 FEET MSL IN THE AFTERNOON.
TRANSPORT WINDS.....LIGHT WIND IN THE MORNING...BECOMING SOUTHWEST
                    8 MPH IN THE AFTERNOON.
HAINES INDEX........MID-LEVEL....5 OR MODERATE.
                    HIGH-LEVEL...3 OR VERY LOW.

$$
FORECASTER...HANER
REQUESTED BY...ICT3 THOMPSON NEIL
TYPE OF REQUEST...WILDFIRE
.TAG 20110918.BIGHU.01/SEW