FNUS75 KGJT 010430
FWSGJT

SPOT FORECAST FOR WEST MTN...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
930 PM MST TUE NOV 30 2010

FORECAST IS BASED ON IGNITION TIME OF 0830 MST ON DECEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
NORTHWEST FLOW ALOFT WILL PERSIST OVER THE BURN SITE THROUGH THURSDAY
AS A RIDGE OF HIGH PRESSURE SITS OVER THE GREAT BASIN. THIS WILL
BRING PERIODS OF CLOUDS AS WEAK UPPER LEVEL DISTURBANCES PASS
THROUGH. THE STRONGEST WAVE WILL ARRIVE LATE THIS MORNING...BRINGING
SCATTERED SNOW SHOWERS AND IMPROVED MIXING CONDITIONS. THIS SYSTEM
EXITS BY EARLY WEDNESDAY EVENING...WITH STRONG WARMING ALOFT
CONTINUING...RESULTING IN STRONG INVERSIONS AND POOR MIXING CONDITIONS
ON THURSDAY.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SNOW SHOWERS.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-5 MPH UNTIL 1000...THEN
                    WEST 5-10 MPH BY 1200. A FEW GUSTS TO AROUND
                    25 MPH EXPECTED DURING THE AFTERNOON.
SMOKE DISPERSAL.....POOR (LESS THAN 25000 KNOT-FT) UNTIL 1000...
                    THEN IMPROVING TO FAIR (55000 KNOT-FT) BY 1300.
                    EXCEPT EXCELLENT IN AND AROUND SNOW SHOWERS.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000...THEN RISING TO AROUND
                    2200 FT AGL BY 1300.
TRANSPORT WINDS.....NORTHWEST 27 MPH.

.WEDNESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS IN
                    THE EVENING.
20-FOOT WINDS.......BECOMING DOWNSLOPE/DOWNVALLEY 0-5 MPH BY 1900.
SMOKE DISPERSAL.....BECOMING POOR (LESS THAN 25000 KNOT-FT) BY 1900.
MIXING HEIGHT.......LOWERING TO 1000 FT AGL BY 1900.
TRANSPORT WINDS.....NORTHWEST 23 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30%).
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-5 MPH UNTIL 1000...THEN
                    SHIFTING TO THE WEST 4-8 MPH. GUSTS TO
                    AROUND 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (MAXING OUT AROUND 36000 KNOT-FT KNOT-FT).
MIXING HEIGHT.......1000 FT AGL UNTIL 1000...THEN RISING TO AROUND
                    2000 FT AGL BY 1300.
TRANSPORT WINDS.....WEST 20 MPH.

$$
FORECASTER...JEFF COLTON
REQUESTED BY...MIFMU
TYPE OF REQUEST...PRESCRIBED
.TAG 20101201.WESTM.01/GJT