FNUS75 KGJT 171553 FWSGJT SPOT FORECAST FOR CANYON CREEK...BLM NATIONAL WEATHER SERVICE GRAND JUNCTION CO 853 AM MST TUE FEB 17 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 MST ON FEBRUARY 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UNSTABLE AIR MASS WILL BE OVER THE AREA TODAY. ONE WEAK DISTURBANCE WILL MOVE EAST OF THE BURN SITE BY MID MORNING...FOR A LULL IN SHOWER ACTIVITY. BY MID AFTERNOON...COOLER AIR ALOFT WILL INCREASE INSTABILITY AS THE MAIN TROUGH AXIS MOVES OVER THE CENTRAL ROCKIES. AS A RESULT SHOWERS WILL RE-DEVELOP. DUE TO THE CONVECTIVE NATURE OF THESE SHOWERS...SNOW OR MIXED PHASE PRECIPITATION WILL BE POSSIBLE. .TODAY... SKY/WEATHER.........CLOUDY (80-90%). SHOWERS DECREASING BY MID MORNING. THEN SHOWERS RE-DEVELOPING IN THE AFTERNOON. MAX TEMPERATURE.....39-44 F. MIN HUMIDITY........50-55%. 20-FOOT WINDS.......LIGHT AND VARIABLE (0-3 MPH) UNTIL 1100... THEN BECOMING WEST 5-10 AND INCREASING TO 8-12 MPH AFTER 1300 WITH GUSTS 20-25 MPH POSSIBLE. SMOKE DISPERSAL.....VERY GOOD. MIXING HEIGHT.......5200 FT AGL. TRANSPORT WINDS.....WEST 24 MPH. $$ FORECASTER...ELLEN HEFFERNAN REQUESTED BY...LIKE TYPE OF REQUEST...PRESCRIBED .TAG 20090217.CANYO.01/GJT