FNUS76 KSEW 211441
FWSSEW

SPOT FORECAST FOR SCATTER SOUTH...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE SEATTLE WA
741 AM PDT WED SEP 21 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...SOUTHWEST FLOW ALOFT WILL INCREASE TODAY...PUSHING A
WARM AND MUGGY AIR MASS INTO THE BURN AREA TODAY. CLOUDS WILL
GENERALLY THICKEN...BUT A BRIEF GLIMPSE OF SUNSHINE CANNOT BE
RULED OUT. THE LOW-LEVEL AIR MASS WILL BE QUITE STABLE TODAY...SO SMOKE
WILL BE VERTICALLY CHALLENGED. HOWEVER...INCREASING WINDS WILL
PROVIDE HORIZONTAL TRANSPORT OF SMOKE. RAIN SHOULD HOLD OFF UNTIL
EARLY ON THURSDAY MORNING.

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

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0%.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........46 PERCENT.
WIND (20 FT)........SOUTH WINDS 3 TO 7 MPH.
MIXING HEIGHT.......PEAKING AT 1000 FEET AGL THIS AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH...BECOMING WEST
                    AROUND 8 MPH.
HAINES INDEX........MID-LEVEL....4 OR LOW.
                    HIGH-LEVEL...2 OR VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
CWR.................5%.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........95 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......DECREASING TO 500 FEET AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
HAINES INDEX........MID-LEVEL....4 OR LOW.
                    HIGH-LEVEL...2 OR VERY LOW.

$$
FORECASTER...HANER
REQUESTED BY...MASON MCKINLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110921.SCATT.01/SEW