FNUS75 KGJT 012350 FWSGJT SPOT FORECAST FOR GUNNISON COUNTY LANDFILL...GUNNISON COUNTY NATIONAL WEATHER SERVICE GRAND JUNCTION CO 450 PM MST WED FEB 1 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON FEBRUARY 02. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WINTER STORM WILL MOVE OVER SOUTHWEST COLORADO LATER TONIGHT WITH SNOW DEVELOPING OVER THE HIGHER TERRAIN SURROUNDING THE GUNNISON BASIN DURING THE MORNING. DESPITE COOLING ALOFT...LOW LEVEL INVERSIONS ARE UNLIKELY TO FULLY MIX OUT LEAVING THE BASIN WITH RELATIVELY SHALLOW MIXING AND LIGHT TRANSPORT WINDS. SMOKE DISPERSAL MAY RISE TO FAIR BRIEFLY DURING PERIODS OF SNOW...BUT TRANSPORT WINDS WILL MAINTAIN AN EASTERLY COMPONENT THROUGHOUT THE DAY. LITTLE IMPROVEMENT EXPECTED FRIDAY AS THE INVERSION OVER THE VALLEY LINGERS AND TRANSPORT WINDS CONTINUE OUT OF THE SOUTHEAST. .TODAY (THURSDAY)... SMOKE DISPERSAL.....POOR (600-37000 KNOT-FT). BRIEFLY FAIR DURING PERIODS OF SNOW. MIXING HEIGHT.......200-300 FT AGL INCREASING TO 4100 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 5 MPH SHIFTING TO THE SOUTHEAST 10 MPH IN THE AFTERNOON. .FRIDAY... SMOKE DISPERSAL.....POOR (700-35000 KNOT-FT). MIXING HEIGHT.......500-700 FT AGL INCREASING TO 3500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 10 MPH. $$ FORECASTER...NORV LARSON REQUESTED BY...SEAN MCCORMICK TYPE OF REQUEST...PRESCRIBED .TAG 20120202.GUNNI.01/GJT