FNUS75 KABQ 151557 FWSABQ SPOT FORECAST FOR LA MESITA...CAF NATIONAL WEATHER SERVICE ALBUQUERQUE NM 857 AM MST TUE JAN 15 2013 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. DISCUSSION... VERY COLD AND DRY AIR MASS SETTLING ACROSS NORTHERN NM TODAY WITH HIGH TEMPERATURES 15 TO 20 DEGREES BELOW NORMAL. SUBLIMATION OF RECENT SNOW AND LIGHT WIND WILL KEEP RELATIVE HUMIDITY VALUES AROUND 40 PERCENT TODAY. MAIN ISSUE TODAY WILL BE POOR VENTILATION WITH MODEST IMPROVEMENT DURING THE AFTERNOON. STRONG INVERSION WILL DEVELOP TONIGHT AND CONTINUE THROUGH AT LEAST EARLY AFTERNOON WEDNESDAY. VENTILATION WILL BE LESS THAN TODAY AND REMAIN IN THE POOR CATEGORY ALL DAY WEDNESDAY. FOR PLANNED IGNITION TIME OF 0850 MST 1/15/13 CLOUDS/WEATHER......MOSTLY SUNNY BECOMING PARTLY CLOUDY DURING THE AFTERNOON...ESPECIALLY LATE. CHC OF PRECIP.......0 PERCENT. TEMPERATURE.........MAX 20-24. RELATIVE HUMIDITY...MIN 37-42 PERCENT. 20 FOOT WIND........TERRAIN DOMINATED LESS THAN 8 MPH. MIXING HEIGHT.......3500 FT AGL. TRANSPORT WIND......NORTHWEST 9 KNOTS. MAX VENT RATE.......POOR/21578 KNOT-FT AT 1500 LOCAL. VENTILATION TREND...POOR/7575 KNOT-FT AROUND MID-MORNING BECOMING POOR/21578 KNOT-FT BY MID-AFTERNOON. FOR TONIGHT CLOUDS/WEATHER......PARTLY CLOUDY. CHC OF PRECIP.......0 PERCENT. TEMPERATURE.........MIN 3 BELOW TO 7 BELOW ZERO. RELATIVE HUMIDITY...MAX 77-82 PERCENT. 20 FOOT WIND........NORTHWEST WINDS 7 TO 10 MPH. VENTILATION TREND...POOR/13500 KNOT-FT BY EARLY-EVENING BECOMING POOR/3500 KNOT-FT BY LATE-EVENING. FOR WEDNESDAY CLOUDS/WEATHER......PARTLY CLOUDY. CHC OF PRECIP.......0 PERCENT. TEMPERATURE.........MAX 25-29. RELATIVE HUMIDITY...MIN 42-47 PERCENT. 20 FOOT WIND........TERRAIN DOMINATED LESS THAN 8 MPH. MIXING HEIGHT.......1500 FT AGL. TRANSPORT WIND......NORTHWEST 5 KNOTS. MAX VENT RATE.......POOR/7500 KNOT-FT AT 1400 LOCAL. VENTILATION TREND...POOR/3205 KNOT-FT AROUND MID-MORNING BECOMING POOR/7500 KNOT-FT BY MID-AFTERNOON. FORECASTS FOR WINDS ARE 20 FOOT WIND SPEEDS AND MUST BE ADJUSTED ACCORDING TO FUEL TYPE AND SHELTERING TO GET EYE LEVEL WIND SPEED. FORECASTER...28 $$ REQUESTED BY...TDC REASON FOR REQUEST...PRESCRIBED .TAG 20130115.LAMES.01/ABQ