FNUS75 KMSO 221454
FWSMSO

SPOT FORECAST FOR BASIN CREEK RX
NATIONAL WEATHER SERVICE MISSOULA MT
854 AM MDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...EXPECT AN INCREASE IN WEST WINDS THIS AFTERNOON AND
EVENING AS SURFACE PRESSURE GRADIENTS TIGHTEN DUE TO AN APPROACHING
COLD FRONT THAT WILL MOVE THROUGH ON THURSDAY. STRONGEST WINDS WILL
BE ON THE RIDGE TOPS BUT THE WINDS WILL MIX DOWN INTO THE VALLEY.
TEMPERATURES WILL BE SLIGHTLY COOLER FROM TUESDAY BUT STILL MUCH
ABOVE NORMAL WITH DRY CONDITIONS. AS THE ATMOSPHERE GETS MORE UNSTABLE
THIS AFTERNOON SOME SHOWERS AND THUNDERSTORMS ARE POSSIBLE.


.TODAY...

SKY/WEATHER.........INCREASING CLOUDS. SLIGHT CHANCE OF RAIN SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........11-16 PERCENT.
WIND (20 FT)........UPSLOPE WINDS AROUND 6 MPH BECOMING WEST
                    12-16 MPH WITH GUSTS TO AROUND 30 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........WEST 30 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
                    IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH
                    THE NIGHT.
CWR.................20 PERCENT.
MIN TEMPERATURE.....33-38.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........WEST WINDS 5-14 MPH. GUSTS UP TO 30 MPH IN THE
                    EVENING.
MIXING HEIGHT.......700 FT AGL.
MIXING WINDS........WEST 15 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CWR.................20 PERCENT.
MAX TEMPERATURE.....45-50.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........NORTH WINDS 5-9 MPH.
MIXING HEIGHT.......4600 FT AGL.
MIXING WINDS........WEST 15 MPH.

$$
FORECASTER...KOLATA
REQUESTED BY...DILLON DISPATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.BASIN.01/MSO