FNUS73 KDMX 170246 FWSDMX SPOT FORECAST FOR MOUNT AYR...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 946 PM CDT WED MAR 16 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... A SOUTHERLY FLOW OF INCREASINGLY MOIST AIR WILL CONTINUE INTO THURSDAY MORNING. A COLD FRONT WILL MOVE THROUGH THE AREA DURING THE EARLY AFTERNOON. THIS WILL SWING THE WINDS AROUND TO THE SOUTHWEST...AND GRADUALLY TO THE NORTHWEST BY EVENING. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........57 PERCENT. EYE LEVEL WINDS.....WEST WINDS 7 TO 12 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL INCREASING TO 3700 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 14 TO 23 MPH SHIFTING TO THE NORTHWEST 21 TO 26 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....GOOD (62500 KNOT-FT) INCREASING TO GOOD (74400 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........74 68 63 60 61 62 63 64 65 WEATHER COV..... WEATHER TYPE.... TEMP............59 62 64 66 68 69 70 69 67 RH..............75 70 67 65 61 59 57 59 63 EYE LVL WND DIR.S S S S SW SW SW W W EYE LVL WND SPD.10 10 9 8 8 7 7 6 6 EYE LVL WND GST.20 20 20 15 15 15 15 15 10 MIX HGT (KFT)...1.7 2.2 2.7 3.2 3.4 3.5 3.6 3.6 3.7 MIXNG WIND DIR..S SW SW SW SW W W W NW MIXNG WIND SPD..23 25 26 26 25 23 21 21 21 HAINES INDEX....4 4 4 4 4 4 4 4 5 .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING. MIN TEMPERATURE.....AROUND 42. MAX HUMIDITY........93 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3700 FT AGL DECREASING TO 1500 FT AGL LATE IN THE EVENING. MIXING WINDS........NORTH 13 TO 20 MPH DECREASING TO 6 TO 9 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....GOOD (62800 KNOT-FT) DECREASING TO POOR (6300 KNOT-FT) AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........66 66 65 65 66 68 WEATHER COV.....S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............65 58 54 52 49 47 RH..............60 72 77 77 83 83 EYE LEVEL WIND..NW 6 N 7 N 8 N 6 N 6 N 7 EYE LEVEL WIND..10 15 15 15 15 15 MIX HGT (FT)....3700 2900 2000 1000 900 800 MIXNG WIND......NW 20 N 13 N 7 N 6 N 6 N 7 HAINES INDEX....5 4 4 4 4 4 .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 52. MIN HUMIDITY........63 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2800 FT AGL INCREASING TO 3100 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTHEAST 10 TO 18 MPH. SMOKE DISPERSAL.....FAIR (49200 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........69 66 62 50 WEATHER COV.....S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR NONE NONE TEMP............46 46 50 51 RH..............83 83 71 63 EYE LEVEL WIND..NE 8G15 NE 6G15 N 7G15 NE 5G10 MIX HGT (FT)....900 1600 2400 3100 MIXNG WIND......NE 10 NE 15 NE 14 NE 18 HAINES INDEX....4 4 4 4 $$ FORECASTER...SCHUMACHER REQUESTED BY...NATURAL RESOURCE TECH 2 TYPE OF REQUEST...PRESCRIBED .TAG 20110317.MOUNT.01/DMX