FNUS76 KOTX 091646
FWSOTX

SPOT FORECAST FOR UMTANUM 2...USFS CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
946 AM PDT MON JUL 9 2012

FORECAST IS BASED ON REQUEST TIME OF 0914 PDT ON JULY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.DISCUSSION...
AN UNSTABLE AIR MASS WITH VERY WARM TEMPERATURES WILL REMAIN THROUGH
TODAY WITH A CHANCE OF THUNDERSTORMS OVER AND NEAR THE BURN AREA
LATE THIS AFTERNOON AND EVENING. WINDS WILL BE LIGHT AND MAINLY
TERRAIN DRIVEN TODAY...EXCEPT NEARBY THUNDERSTORMS COULD
CREATE BRIEF GUSTY WINDS OVER THE FIRE. TONIGHT ENHANCED DOWNVALLEY
WINDS ARE POSSIBLE AS A PRESSURE GRADIENT INCREASES AND SOME DRIER
DENSER AIR SPILLS OFF THE CASCADES AND CHANNELS THROUGH THE VALLEY.
THE THUNDERSTORM THREAT WILL END AFTER THIS EVENING WITH TUESDAY AND
WEDNESDAY REMAINING VERY WARM AND DRY. AN INCREASE IN TEMPERATURES AND
POTENTIALLY MORE THUNDERSTORMS ARE POSSIBLE BY LATE IN THE WEEK.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTHEAST 4 TO 6 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 7 MPH.
LAL.................3.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF THUNDERSTORMS
                    IN THE EVENING.
CWR.................15 PERCENT.
MIN TEMPERATURE.....AROUND 69.
MAX HUMIDITY........59 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 12 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 12 MPH.
LAL.................3...DECREASING TO 2 AFTER 10 PM.
HAINES INDEX........4 LOW.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 9 MPH IN THE MORNING...
                    BECOMING SOUTHEAST 2 TO 4 MPH AFTER 11 AM.
MIXING HEIGHT.......1000 FT AGL IN THE MORNING INCREASING TO 5000
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

$$
FORECASTER...MF
REQUESTED BY...OKANOGAN-WENATCHEE NF
TYPE OF REQUEST...WILDFIRE
.TAG 20120709.UMTAN.01/OTX