FNUS76 KOTX 112118
FWSOTX

SPOT FORECAST FOR UMTANUM FALLS...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
218 PM PDT THU AUG 11 2011

FORECAST IS BASED ON REQUEST TIME OF 1339 PDT ON AUGUST 11.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL BUILD OVER THE UMTANUM FALLS WILDFIRE TONIGHT
AND TOMORROW...BRINGING CLEAR SKIES AND MAINLY LIGHT TERRAIN DRIVEN
WINDS. TOMORROW WILL LIKELY BE 2 OR 3 DEGREES WARMER THAN TODAY...
AND SIMILAR WARM READINGS ARE EXPECTED ON SATURDAY. BREEZY CONDITIONS
WILL BE POSSIBLE SATURDAY EVENING. A WEAK COLD FRONT WILL BRING THE
POTENTIAL FOR BREEZY CONDITIONS ON SUNDAY...FOLLOWED MORE REINFORCING
COOL AIR MONDAY INTO TUESDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....85.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3 TO 6 MPH BECOMING WEST 5
                    TO 8 MPH AROUND 1800 PDT.
MIXING HEIGHT.......6500 FT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....50.
MAX HUMIDITY........78 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH. GUSTS UP TO 15 MPH
                    THROUGH 2100 PDT. GUSTS DIMINISHING BY MID
                    EVENING.
MIXING HEIGHT.......6500 FT AGL THROUGH 1900 PDT...BECOMING NEAR
                    SURFACE OVERNIGHT.
TRANSPORT WINDS.....WEST 12 TO 15 MPH IN THE EVENING...BECOMING
                    WEST 6 TO 10 MPH OVERNIGHT.
LAL.................1.
HAINES INDEX........4 LOW.

.FRIDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....87.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........WEST 3 TO 5 MPH THROUGH 1100 PDT...BECOMING
                    UPSLOPE/UPVALLEY 3 TO 5 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 7000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

$$
FORECASTER...GK
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20110811.UMTAN.01/OTX