FNUS76 KOTX 072017
FWSOTX

SPOT FORECAST FOR PURTTEMAN...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
117 PM PDT THU OCT 7 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON OCTOBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

CONSIDERABLE CLOUD COVER ALONG THE EDGE OF A LARGE LOW PRESSURE
SYSTEM HAVE MOVED OVER SOUTHERN PORTIONS OF LAKE CHELAN AND
VICINITY THIS AFTERNOON...THE RESULT WILL BE A DRAMATIC LOWERING
OF MIXING HEIGHTS AND NO FURTHER DAYTIME HEATING. AT THIS TIME
NO SIGNIFICANT SHOWER ACTIVITY IS EXPECTED TO MAKE IT OVER TO
THE BURN AREA TODAY...TONIGHT..OR FRIDAY. A WET FRONT PASSAGE
WILL BRING SIGNIFICANTLY COOLER AND WETTER CONDITIONS TO THE
BURN AREA LATE FRIDAY INTO SATURDAY MORNING.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 1-4 MPH
MIXING HEIGHT.......LESS THAN 2000 FT AGL
TRANSPORT WINDS.....SOUTH 2-5 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................NEAR 0 PERCENT.
MIN TEMPERATURE.....AROUND 467
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-5 MPH.
MIXING HEIGHT.......LESS THAN 2000 FT AGL IN THE EVENING...BECOMING NEAR
                    SURFACE OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 2-5 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY OR SOUTHEAST 1-4 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 2000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 2 TO 5 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

$$
FORECASTER...RP
REQUESTED BY...CWICC
TYPE OF REQUEST...PRESCRIBED
.TAG 20101007.PURTT.02/OTX