FNUS76 KOTX 082349
FWSOTX

SPOT FORECAST FOR PRESTON FOX...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
449 PM PDT THU OCT 8 2009

FORECAST IS BASED ON REQUEST TIME OF 1621 PDT ON OCTOBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

COOL AND DRY NORTHWEST UPPER LEVEL FLOW WILL REMAIN OVER THE
FIRE TONIGHT. A STRONG BLAST OF ARCTIC AIR IS EXPECTED TO PASS
OVER THE FIRE EARLY FRIDAY MORNING BRINGING MUCH COLDER
TEMPERATURES AND BREEZY CONDITIONS. COLD AND DRY AIR WILL
PERSIST OVER THE FIRE THROUGH THE WEEKEND.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY TO MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....27-32.
MAX HUMIDITY........55-65 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 10 MPH.
MIXING HEIGHT.......DECEASING TO 1000 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTH 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

.FRIDAY...

SKY/WEATHER.........SUNNY AND COOLER.
CWR.................0 PERCENT.
MAX TEMPERATURE.....34 AT 6200 FEET MSL...44 AT 3700 FEET MSL.
MIN HUMIDITY........29 PERCENT AT 6200 FEET 20 PERCENT AT 3700 FEET MSL.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......1000 FT AGL IN THE MORNING INCREASING TO 2200
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.

.FRIDAY NIGHT...

SKY/WEATHER.........CLEAR AND COLDER.
CWR.................0 PERCENT.
MIN TEMPERATURE.....19-24.
MAX HUMIDITY........50 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......2200 FT AGL IN THE EVENING DECREASING TO 1000
                    FT AGL OVERNIGHT.
TRANSPORT WINDS.....EAST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

$$
FORECASTER...RP
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20091008.PREST.01/OTX