FNUS75 KTFX 171555
FWSTFX

SPOT FORECAST FOR PROGRAMATIC PILE BURN...BLACKFEET
NATIONAL WEATHER SERVICE GREAT FALLS MT
855 AM MST THU DEC 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON DECEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK DISTURBANCE ALOFT WILL MOVE ACROSS THE BURN AREA TODAY.
A FEW LIGHT SNOW SHOWERS ARE POSSIBLE WITH THIS FEATURE WITH
LITTLE ACCUMULATION EXPECTED. WEST SURFACE WINDS WILL CONTINUE TO
BE GUSTY TODAY WITH SPEEDS OF 20 TO 25 MPH AND OCCASIONAL GUSTS TO
45 MPH. HIGH PRESSURE WILL BEGIN TO BUILD OVER THE AREA TONIGHT
BRINGING DRIER CONDITIONS THOUGH WINDS WILL REMAIN GUSTY UNTIL MIDNIGHT.
WINDS WILL INCREASE AGAIN ON FRIDAY.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
CWR.................20 PERCENT.
MAX TEMPERATURE.....35-40.
MIN HUMIDITY........56-61 PERCENT.
WIND (20 FT)........WEST WINDS 20 TO 25 MPH WITH GUSTS TO AROUND 45
                    MPH.
RIDGE TOP WIND......WEST WINDS 30 TO 40 MPH.
MIXING HEIGHT.......500-1500 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 10 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................5 PERCENT.
MIN TEMPERATURE.....27-32.
MAX HUMIDITY........81-86 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 35
                    MPH IN THE EVENING.
RIDGE TOP WIND......WEST WINDS 20 TO 25 MPH.
MIXING HEIGHT.......500-1000 FT AGL.
MIXING WINDS........WEST AROUND 10 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................10 PERCENT.
MAX TEMPERATURE.....34-39.
MIN HUMIDITY........62-67 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
                    WEST 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH
                    IN THE AFTERNOON.
RIDGE TOP WIND......WEST WINDS 30 TO 40 MPH.
MIXING HEIGHT.......500-1000 FT AGL.
MIXING WINDS........WEST AROUND 20 MPH.

$$
FORECASTER...EMANUEL
REQUESTED BY...TYSON RUNNINGWOLF
TYPE OF REQUEST...PRESCRIBED
.TAG 20091217.PROGR.01/TFX