FNUS75 KGJT 121703
FWSGJT

SPOT FORECAST FOR STEAMBOAT SKI AREA PILES...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1003 AM MST WED DEC 12 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON DECEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL PASS EAST OF THE AREA TODAY ALLOWING
SOUTHWEST WINDS ALOFT TO INCREASE AND SLIGHTLY WARMER CONDITIONS TO
MOVE IN. A SUBSIDENCE INVERSION ABOVE THE SITE WILL LIMIT SMOKE RISE
TO ABOUT 12,000 FT ABOVE SEA LEVEL, 3000-4000 FEET ABOVE GROUND. THE
SOUTHWEST WIND SHOULD INCREASE EOUNGHT TO PROVIDE BETTER DISPERSAL
THIS AFTERNOON. DISPERSAL SHOULD DECREASE TO POOR AT SUNSET.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%).
MAX TEMPERATURE.....36-41 F.
MIN HUMIDITY........30-35%.
20-FOOT WINDS.......SOUTHWEST WINDS 5 MPH...INCREASING TO 8-12 MPH WITH
                    GUSTS TO AROUND 25 MPH AFTER 1200.
SMOKE DISPERSAL.....POOR (14500 KNOT-FT) UNTIL 1200, THEN FAIR.
                    INCREASING TO GOOD ABOUT 1400.
MIXING HEIGHT.......700 FT AGL INCREASING TO 3500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL NOON, THEN BECOMING
                    SOUTHWEST 25 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60%).
MIN TEMPERATURE.....11-16 F.
MAX HUMIDITY........65-70%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-4 MPH.
SMOKE DISPERSAL.....POOR (7000).
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 MPH UNTIL 1800...THEN BECOMING
                    DOWNSLOPE/DOWNVALLEY 4 MPH.

$$
FORECASTER...CHRIS CUOCO
REQUESTED BY...ERICK STAHLIN
TYPE OF REQUEST...PRESCRIBED
.TAG 20121212.STEAM.01/GJT