FNUS75 KGJT 172242
FWSGJT

SPOT FORECAST FOR WEST VAIL PILES...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
342 PM MST TUE NOV 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON NOVEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY AND STABLE CONDITIONS ARE EXPECTED THROUGH
THURSDAY. A WEAKENING UPPER DISTURBANCE PASSING ON THURSDAY WILL
BRING SOME CLOUDS AND HELP MIXING HEIGHTS SOMEWHAT...BUT IT DOES
NOT LOOK STRONG ENOUGH TO LIFT SMOKE DISPERSION OUT OF THE POOR
CATEGORY. SURFACE WINDS WILL GENERALLY FOLLOW SLOPE-VALLEY
CIRCULATIONS.

.WEDNESDAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....36-40 F.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALEY 1-3 MPH UNTIL 1100...THEN BECOMING UPSLOPE/UPVALLEY 3-5 MPH
SMOKE DISPERSAL.....POOR (5300-12100 KNOT-FT).
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 1-3 MPH UNTIL 1100...THEN BECOMING WEST SOUTHWEST 10 MPH B

.WEDNESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25%) BECOMING PARTLY CLOUDY (50-60%) BY MIDNIGHT.
MIN TEMPERATURE.....13-18 F.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-4 MPH.
SMOKE DISPERSAL.....POOR (7100-8900 KNOT-FT).
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 2-4 MPH.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%).
MAX TEMPERATURE.....34-38 F.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-4 MPH UNTIL 1100...THEN BECOMING UPSLOPE/UPVALLEY 5 MPH
SMOKE DISPERSAL.....POOR (6200-30400 KNOT-FT).
MIXING HEIGHT.......3500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 2-4 MPH UNTIL 1100...THEN BECOMING WEST 10 MPH BY 1300.

$$
FORECASTER...JIM DANIELS
REQUESTED BY...ROB MACDONALD
TYPE OF REQUEST...PRESCRIBED
.TAG 20091118.WESTV.01/GJT