FNUS75 KGJT 312300 FWSGJT SPOT FORECAST FOR SNYDER FLATS...BLM NATIONAL WEATHER SERVICE GRAND JUNCTION CO 500 PM MDT MON OCT 31 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON NOVEMBER 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL DISTURBANCE APPROACHING FROM THE NORTHWEST WILL DROP INTO THE NORTHWESTERN PART OF THE STATE TUESDAY AFTERNOON. THIS WILL RESULT IN INCREASED SOUTHWEST FLOW OVER THE FIRE SITE AHEAD OF THE COLD FRONT ASSOCIATED WITH THIS SYSTEM. EXPECT TEMPERATURES SIMILAR TO THOSE EXPERIENCED MONDAY. CLOUDS WILL INCREASE DURING THE AFTERNOON WITH NUMEROUS SHOWERS DEVELOPING WITH FRONTAL PASSAGE TUESDAY EVENING. RAIN WILL MIX WITH SNOW INITIALLY BUT WILL TURN TO ALL SNOW BEFORE MIDNIGHT WITH AN INCH OR TWO POSSIBLE BY SUNRISE WEDNESDAY. .TODAY (THROUGH SUNSET)... SKY/WEATHER.........PARTLY CLOUDY (30-40%) THEN BECOMING MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS AFTER 1500. MAX TEMPERATURE.....52-57 F. MIN HUMIDITY........25-30%. 20-FOOT WINDS.......SOUTH WINDS 5 MPH INCREASING TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 AROUND 1100. SMOKE DISPERSAL.....POOR (1400-2800 KNOT-FT) INCREASING TO EXCELLENT (162200 KNOT-FT) BY 1300. MIXING HEIGHT.......200-400 FT AGL INCREASING TO 7400 FT AGL BY 1400. TRANSPORT WINDS.....SOUTH 10 MPH INCREASING TO SOUTHWEST 25 MPH IN THE AFTERNOON. .TUESDAY NIGHT (AFTER SUNSET)... SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NUMEROUS SNOW SHOWERS. MIN TEMPERATURE.....18-23 F. MAX HUMIDITY........72-77%. 20-FOOT WINDS.......NORTH WINDS 13 TO 18 MPH. SMOKE DISPERSAL.....VERY GOOD (134100 KNOT-FT) DECREASING TO GOOD (34400-71800 KNOT-FT) IN THE LATE EVENING. MIXING HEIGHT.......6400 FT AGL DECREASING TO 2000-3300 FT AGL IN THE LATE EVENING. TRANSPORT WINDS.....NORTHWEST 22 MPH SHIFTING TO THE NORTH 25 MPH AFTER MIDNIGHT. $$ FORECASTER...NORV LARSON REQUESTED BY...JEFF PHILLIPS TYPE OF REQUEST...PRESCRIBED .TAG 20111101.SNYDE.01/GJT