FNUS76 KOTX 301724
FWSOTX

SPOT FORECAST FOR DEVILS GULCH...USFS - CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
1024 AM PDT FRI JUL 30 2010

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...GUSTY WEST WINDS AND SCATTERED THUNDERSTORMS SATURDAY...

MOIST AND UNSTABLE SOUTHWEST FLOW WILL CONTINUE OVER THE REGION
TODAY. A SURFACE THERMAL TROUGH WILL REMAIN OVER THE COLUMBIA BASIN.
A BRIEF SHOWER OR THUNDERSTORM ON THE FIRE IS STILL EXPECTED THIS
AFTERNOON...BUT SHOULD REMAIN ISOLATED. THE SHOWERS WILL BE
BRIEF...LIKELY MUCH LESS THAN ONE TENTH INCH. THIS EVENING THE
CROSS CASCADE GRADIENT WILL INCREASE...RETARDING NORMAL DOWNSLOPE
DRAINAGE AND POSSIBLY MAINTAINING A LIGHT UPSLOPE WIND ON THE WEST
FACING SLOPE. THE THREAT OF THUNDERSTORMS WILL INCREASE LATE
TONIGHT...AND ESPECIALLY SATURDAY AS A PACIFIC TROUGH APPROACHES.
WESTERLY/UPSLOPE WINDS WILL LIKELY BE ENHANCED ON SATURDAY AS A
WEAK COLD FRONT PASSES THROUGH THE FIRE AREA.

.REST OF TODAY...

CWR.................LESS THAN 10 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT UPSLOPE 1 TO 3 MPH...INCREASING TO 3 TO 6 MPH
                    FROM THE WEST LATE AFTERNOON.
MIXING HEIGHT.......7300 FT AGL BY AFTERNOON.
TRANSPORT WINDS.....WEST 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
CWR.................LESS THAN 10 PERCENT.
MIN TEMPERATURE.....52.
MAX HUMIDITY........64 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......7300 FT AGL IN THE EVENING DECREASING TO 750 FT
                    FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................2.
HAINES INDEX........4 LOW.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................25 PERCENT.
MAX TEMPERATURE.....70.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 14 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......750 FT AGL IN THE MORNING INCREASING TO 7000
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................3.
HAINES INDEX........4 LOW.

$$
FORECASTER...PB
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20100730.DEVIL.01/OTX