FNUS73 KDMX 131447 FWSDMX SPOT FORECAST FOR DUNBAR...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 847 AM CST THU DEC 13 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON DECEMBER 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED... PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... ANOTHER SUNNY AND WARM DAY IS IN STORE FOR THE STATE TODAY WITH TEMPERATURES ONCE AGAIN NEARING 50 DEGREES. GUSTY SOUTHERLY WINDS WILL DECREASE AND VEER TO THE WEST BY LATE AFTERNOON AS A COLD FRONT APPROACHES FROM THE NORTHWEST. A STRONG INVERSION ABOVE 2000 FT WILL LIMIT MIXING DURING THE DAY...AND COMBINED WITH LESSENING WINDS WILL RESULT IN POOR SMOKE DISPERSAL. THE COLD FRONT WILL STALL OUT OVER SOUTHERN IOWA OVERNIGHT AND THEN LIFT NORTHWARD AS A WARM FRONT ON FRIDAY. THIS WILL RESULT IN LIGHT AND VARIABLE WINDS TONIGHT WHICH WILL SWITCH TO THE SOUTH AND INCREASE TOMORROW. .TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). TEMPERATURE.........42 AT IGNITION...MAX 49. RH..................43 PERCENT AT IGNITION...MIN 35 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 7 TO 15 MPH DECREASING TO AROUND 5 MPH LATE IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL. MIXING WINDS........SOUTHWEST 13 TO 20 MPH BECOMING WEST 3 TO 9 MPH EARLY IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (2200-11800 KNOT-FT). WIND (20 FT)........WINDS SOUTHWEST AT 13 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 7 TO 15 MPH DECREASING TO AROUND 5 MPH LATE IN THE AFTERNOON. TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........22 21 21 21 21 21 20 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............42 44 47 48 48 46 42 RH..............43 41 37 35 35 38 44 20 FT WIND DIR..SW SW SW SW SW SW SW 20 FT WIND SPD..13 13 12 10 8 7 5 20 FT WIND GUST.15 15 15 15 10 EYE LVL WND DIR.SW SW SW SW SW SW SW EYE LVL WND SPD.9 9 9 7 6 5 4 EYE LVL WND GST.15 15 15 15 10 MIX HGT (KFT)...0.4 0.3 0.8 1.4 2.0 1.4 0.8 MIXNG WIND DIR..SW SW W W W W W MIXNG WIND SPD..17 15 13 9 7 5 3 HAINES INDEX....5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). TEMPERATURE.........MIN 24. RH..................MAX 92 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. WIND (20 FT)........LIGHT WINDS. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........20 18 16 14 16 18 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............34 31 28 27 25 24 RH..............61 69 78 81 88 88 20 FT WIND......SW 3 NW 1 N 1 E 1 E 2 E 3 20 FT WIND GUST.5 5 EYE LEVEL WIND..SW 2 NW 1 N 1 E 1 E 1 E 2 EYE LVL WND GST.5 5 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). TEMPERATURE.........MAX 50. RH..................MIN 50 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 14 MPH INCREASING TO 13 TO 15 MPH LATE IN THE AFTERNOON. WIND (20 FT)........SOUTHEAST WINDS 5 TO 14 MPH INCREASING TO 13 TO 15 MPH LATE IN THE AFTERNOON. TIME (CST) 6 AM 9 AM NOON 3 PM SKY (%).........19 25 30 61 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............25 29 44 49 RH..............84 85 55 52 20 FT WIND......SE 5 SE 8G10 SE 12G15 SE 15G20 EYE LEVEL WIND..SE 4G5 SE 6G10 SE 9G15 SE 11G20 $$ FORECASTER...SKOW REQUESTED BY...BLAKE KNISLEY TYPE OF REQUEST...PRESCRIBED .TAG 20121213.DUNBA.01/DMX