FNUS76 KOTX 160341
FWSOTX

SPOT FORECAST FOR OAK CREEK...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
841 PM PDT WED JUL 15 2009

FORECAST IS BASED ON REQUEST TIME OF 1946 PDT ON JULY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...ESPECIALLY HIGH FIRE GROWTH POTENTIAL DUE TO DRY FUELS...LOW RH AND
LOW LEVEL INSTABILITY EXPECTED FRIDAY OVER THE FIRE AREA...

A STRONG WARMING AND DRYING TREND WILL CONTINUE OVER THE FIRE AREA AS
AN UPPER LEVEL RIDGE BUILDS AND A SURFACE THERMAL TROUGH BECOMES
ESTABLISHED OVER THE CASCADES THROUGH THE END OF THE WEEK. MINIMUM RH
WILL DROP AND HIGH TEMPERATURES WILL RISE THROUGH FRIDAY...WITH A
STABILIZATION NEAR FRIDAY'S VALUES ON SATURDAY. HUMIDITY RECOVERIES
WILL BECOME INCREASINGLY POOR ON THE HIGHER ELEVATIONS OF THE FIRE.
WINDS WILL BE LIGHT AND LARGELY TERRAIN DRIVEN. THE RIDGE IS EXPECTED TO
BREAK DOWN SATURDAY EVENING. AT THIS TIME IT APPEARS THE THUNDERSTORM
THREAT IS MINIMAL OVER THE FIRE AREA...BUT A NOTICEABLE INCREASE IN
WESTERLY WINDS WILL BEGIN SATURDAY AFTERNOON...AND WILL BECOME BREEZY
SATURDAY EVENING.

.REST OF TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....57
MAX HUMIDITY........56 PERCENT.
WIND (20 FT)........UPSLOPE WINDS 2 TO 5 MPH IN THE EVENING BECOMING
                    DOWNSLOPE 1 TO 4 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 6 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....90.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH BECOMING UPSLOPE/UPVALLEY
    3 TO 5 MPH.
MIXING HEIGHT.......500 FT AGL IN THE MORNING INCREASING TO 9000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....WEST 6 TO 12 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....59.
MAX HUMIDITY........51 PERCENT.
WIND (20 FT)........UPSLOPE 3 TO 6 MPH BECOMING DOWNSLOPE 1 TO 4 MPH.
MIXING HEIGHT.......8500 FT AGL IN THE EVENING DECREASING TO 600
                    FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.


$$
FORECASTER...SB
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20090715.OAKCR.01/OTX