FNUS75 KFGZ 151012 FWSFGZ SPOT FORECAST FOR PINE PILES...OTR OTHER NATIONAL WEATHER SERVICE FLAGSTAFF AZ 315 AM MST TUE JAN 15 2013 FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON JANUARY 15. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A DEEP AND COLD TROUGH OF LOW PRESSURE OVER THE SOUTHWEST WILL LINGER ONE MORE DAY BEFORE SHIFTING TO THE EAST. TEMPERATURES WILL REMAIN MUCH BELOW NORMAL. FOR WEDNESDAY...HIGH PRESSURE OVER THE EASTERN PACIFIC WILL BEGIN TO BUILD ACROSS THE WEST. STABLE LAPSE RATES WILL LIMIT VERTICAL MIXING TO UNDER 2000 FEET BOTH DAYS...AND VENTILATION WILL BE POOR TO FAIR. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....28 TO 30. MIN HUMIDITY........20 TO 25 PCT. WINDS (20 FT).......NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. MAX VENT RATE.......FAIR (35700 KNOT-FT). CLEARING INDEX......357. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....13 TO 15. MAX HUMIDITY........65 TO 70 PCT. WINDS (20 FT).......NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 20 MPH. MIN VENT RATE.......POOR (5100 KNOT-FT). CLEARING INDEX......51. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....42 TO 44. MIN HUMIDITY........23 TO 28 PCT. WINDS (20 FT).......NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. MAX VENT RATE.......MARGINAL (15400 KNOT-FT). CLEARING INDEX......154. $$ FORECASTER...DB REQUESTED BY...ROBB BEERY REASON FOR REQUEST...PRESCRIBED .TAG 20130115.PINEP.01/FGZ