FNUS75 KGJT 180621
FWSGJT

SPOT FORECAST FOR SNOWSHOE WATER TANK...VAIL FIRE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1121 PM MST THU DEC 17 2009

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

.DISCUSSION...ANOTHER WEAK DISTURBANCE EMBEDDED IN THE NORTHWEST
FLOW WILL PASS OVER WESTERN COLORADO ON FRIDAY. AS A RESULT A FEW
SNOW SHOWERS WILL BE POSSIBLE THROUGH THE DAY. SMOKE DISPERSAL
WILL CLIMB INTO THE FAIR CATEGORY. A RIDGE WILL BUILD TO OUR WEST
ON SATURDAY. WARMING ALOFT WILL INCREASE STABILITY AT THE BURN
SITE FOR POOR SMOKE DISPERSAL THROUGHOUT THE DAY.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS.
MAX TEMPERATURE.....30-35 F.
MIN HUMIDITY........45-50%
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-3 MPH UNTIL 1200...THEN
                    BECOMING WEST AND INCREASING TO 3-7 MPH.
SMOKE DISPERSAL.....POOR IN THE MORNING...THEN FAIR IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 14 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50%).
MIN TEMPERATURE.....4-9 F.
MAX HUMIDITY........60-70%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-5 MPH.
SMOKE DISPERSAL.....POOR (LESS THEN 5000 KNOT-FT).
MIXING HEIGHT.......LESS THEN 1000 FT.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 5 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY (60-70%).
MAX TEMPERATURE.....31-36 F.
MIN HUMIDITY........27-32%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-3 MPH UNTIL 1200...THEN
                    BECOMING WEST AND INCREASING TO 3-7 MPH.
SMOKE DISPERSAL.....POOR (21500 KNOT-FT IN THE AFTERNOON).
MIXING HEIGHT.......INCREASING TO 2500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...TOM TALBOT
TYPE OF REQUEST...PRESCRIBED
.TAG 20091218.SNOWS.01/GJT