FNUS75 KGJT 161632 FWSGJT SPOT FORECAST FOR VALLECITO WORK CENTER PILES...USFS NATIONAL WEATHER SERVICE GRAND JUNCTION CO 932 AM MST THU FEB 16 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON FEBRUARY 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A STORM SYSTEM NEAR SOUTHERN ARIZONA WILL BRING A SOUTHERLY FLOW AND INCREASING MOISTURE ALOFT TO THE REGION TODAY. THE BURN SITE WILL BETWEEN STORM SYSTEMS FRIDAY RESULTING IN DRY CONDITIONS BUT LIGHT TRANSPORT WINDS WILL LIMIT SMOKE DISPERSAL. .TODAY... SKY/WEATHER.........PARTLY CLOUDY MORNING (40-50%)...MOSTLY CLOUDY AFTERNOON (70-80%) WITH A FEW FLURRIES POSSIBLE. MAX TEMPERATURE.....39-44 F. MIN HUMIDITY........30-35%. 20-FOOT WINDS.......WEST WINDS 5 MPH SHIFTING TO THE SOUTHWEST LATE IN THE MORNING. SMOKE DISPERSAL.....POOR (6200-6800 KNOT-FT) INCREASING TO FAIR IN THE AFTERNOON. MIXING HEIGHT.......1000-1400 FT AGL INCREASING TO 7100 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 9 MPH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30%). MIN TEMPERATURE.....7-12 F. MAX HUMIDITY........79-84%. 20-FOOT WINDS.......WEST WINDS 5 MPH SHIFTING TO THE NORTH EARLY IN THE EVENING...THEN INCREASING TO 10 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....POOR (2900-3700 KNOT-FT). MIXING HEIGHT.......1000 FT AGL. TRANSPORT WINDS.....WEST 5 MPH. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY (30-40%). MAX TEMPERATURE.....39-44 F. MIN HUMIDITY........30-35%. 20-FOOT WINDS.......NORTH WINDS 10 MPH SHIFTING TO THE NORTHWEST LATE IN THE MORNING. SMOKE DISPERSAL.....POOR (6800-14600 KNOT-FT)...INCREASING TO A LOW END FAIR BY 1300...THEN DECREASING TO POOR AGAIN BY 1630. MIXING HEIGHT.......1000-1500 FT AGL INCREASING TO 6700 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTHWEST 7 MPH. $$ FORECASTER...MIKE CHAMBERLAIN REQUESTED BY...BRITTON QUINLAN TYPE OF REQUEST...PRESCRIBED .TAG 20120216.VALLE.01/GJT