FNUS76 KSEW 281505
FWSSEW

SPOT FORECAST FOR W  ROCKY PLOTS...WASHINGTON DNR
NATIONAL WEATHER SERVICE SEATTLE WA
805 AM PDT FRI AUG 28 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON AUGUST 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...SOME VERY DRY AIR WAS LOCATED ABOVE THE PROPOSED BURN
AREA EARLY THIS MORNING ABOVE ABOUT 1000 FT AGL. HOWEVER...AM
EXPECTING THE SHALLOW MARINE LAYER TO BE DEEPENING AROUND IGNITION
TIME. AN OFFSHORE FRONTAL BAND WAS PRODUCING HEAVY RAIN OFF THE
COAST EARLY THIS MORNING. THIS FRONTAL BAND WILL MOVE INLAND LATE
TODAY AND TONIGHT...BUT THE ASSOCIATED PRECIPITATION WILL BE
WEAKENING AS IT MOVES INLAND. BY THE TIME THE PRECIPITATION
REACHES THE BURN AREA...IT WILL HAVE WEAKENED TO HIT-OR-MISS SHOWER
ACTIVITY.

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

.TODAY...

SKY/WEATHER.........PARTLY SUNNY THIS MORNING...THEN TURNING
                    MOSTLY CLOUDY THIS AFTERNOON. SCATTERED
                    SHOWERS APPROACHING NEAR END OF DAY SHIFT.
CWR.................5%.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........SOUTH WINDS 3 TO 5 MPH AT IGNITION TIME...
                    SHIFTING TO THE WEST AROUND 4 TO 6 MPH AROUND
                    MID-AFTERNOON.
MIXING HEIGHT.......0 FT AGL INCREASING TO 2900 FT AGL BY EARLY
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 8 MPH.

.TONIGHT...

SKY/WEATHER.........CLOUDY. SCATTERED HIT-AND-MISS SHOWERS.
CWR.................20%.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 9 MPH EARLY THIS EVENING...
                    BECOMING SOUTHWEST 3 TO 6 MPH AROUND
                    MIDNIGHT.

$$
FORECASTER...HANER
REQUESTED BY...E  ROSENQUIST
TYPE OF REQUEST...PRESCRIBED
.TAG 20090828.WROCK.01/SEW