FNUS73 KDMX 251403 FWSDMX SPOT FORECAST FOR SOUTH TWIN BABBIT...IDNR NATIONAL WEATHER SERVICE DES MOINES IA 903 AM CDT WED APR 25 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 25. 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... A WEAK AREA OF LOW PRESSURE WILL SKIRT ACROSS THE REGION TODAY AND DRAG A WARM FRONT THROUGH THE STATE BY AROUND MIDDAY. TEMPERATURES WILL RISE WELL INTO THE 80S BY THIS AFTERNOON...WITH TEMPERATURES THROUGH THE LATE MORNING HOURS REMAINING IN THE MID 70S. A FEW SPOTTY SHOWERS ARE POSSIBLE THROUGH THE LATE MORNING...BUT PRECIPITATION AMOUNTS WILL BE VERY LIGHT AND SHORT-LIVED. WINDS THROUGH THE MORNING LOOK TO BE ERRATIC AT TIMES AS THE AREA OF LOW PRESSURE CONTINUES TO MOVE EAST WITH WINDS BEGINNING OUT OF THE SOUTH-SOUTHEAST...THEN SHIFTING MORE WEST TO NORTHWEST BY THE LATE MORNING INTO THE EARLY AFTERNOON. DURING THE AFTERNOON...WINDS WILL BE NORTHWEST AT 15 TO 20 MPH WITH GUSTS TO OVER 25 MPH AT TIMES. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS EARLY IN THE MORNING. TEMPERATURE.........74 AT IGNITION...MAX 85. RH..................46 PERCENT AT IGNITION...MIN 33 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 9 TO 13 MPH SHIFTING TO THE NORTHWEST 13 TO 16 MPH LATE IN THE MORNING. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 8600 FT AGL. MIXING WINDS........SOUTHWEST 8 TO 16 MPH INCREASING TO NORTHWEST 24 TO 32 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....POOR TO POOR (2000-5700 KNOT-FT) INCREASING TO EXCELLENT TO EXCELLENT (194400-223100 KNOT-FT). WIND (20 FT)........WINDS SOUTHWEST AT 13 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 9 TO 13 MPH SHIFTING TO THE NORTHWEST 13 TO 16 MPH BY AROUND MIDDAY. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........76 64 58 51 36 28 32 39 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............74 77 79 81 83 83 83 81 RH..............46 42 41 38 34 34 33 35 20 FT WIND DIR..SW W NW NW NW NW NW N 20 FT WIND SPD..13 13 14 15 16 16 16 15 20 FT WIND GUST.15 15 20 20 20 25 20 20 EYE LVL WND DIR.SW W NW NW NW NW NW N EYE LVL WND SPD.9 9 10 11 11 11 11 11 EYE LVL WND GST.15 15 20 20 20 25 20 20 MIX HGT (KFT)...1.9 2.7 3.5 5.2 6.9 8.6 8.2 7.8 MIXNG WIND DIR..SW W NW NW NW NW NW NW MIXNG WIND SPD..16 24 30 32 31 30 30 29 HAINES INDEX....6 6 6 6 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). TEMPERATURE.........MIN 51. RH..................MAX 74 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 9 TO 14 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......7400 FT AGL DECREASING TO 1400 FT AGL. MIXING WINDS........NORTHWEST 22 TO 26 MPH BECOMING NORTH 7 TO 16 MPH EARLY IN THE EVENING...THEN SHIFTING TO THE NORTHEAST 5 TO 13 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....GOOD TO EXCELLENT (37300-170200 KNOT-FT) DECREASING TO POOR TO FAIR (1100-15400 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTHEAST WINDS 9 TO 14 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........42 41 41 40 42 45 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............80 71 65 62 58 55 RH..............35 47 60 67 72 72 20 FT WIND......N 14 N 12 N 10 N 9 N 9 N 9 20 FT WIND GUST.20 15 15 10 10 10 EYE LEVEL WIND..N 10 N 9 N 7 N 6 N 6 N 6 EYE LVL WND GST.20 15 15 10 10 10 MIX HGT (FT)....7400 2600 300 300 300 800 MIXNG WIND......NW 26 N 16 N 9 N 7 N 5 N 9 HAINES INDEX....5 4 4 5 4 4 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). TEMPERATURE.........MAX 60. RH..................MIN 47 PERCENT. EYE LEVEL WINDS.....EAST WINDS 10 TO 14 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3600 FT AGL INCREASING TO 4100 FT AGL IN THE AFTERNOON. MIXING WINDS........EAST 10 TO 17 MPH. SMOKE DISPERSAL.....FAIR TO GOOD (27300-42200 KNOT-FT). WIND (20 FT)........EAST WINDS 10 TO 14 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........47 47 47 59 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............54 56 58 59 RH..............69 59 51 47 20 FT WIND......NE 10G15 NE 12G15 NE 14G20 E 13G15 EYE LEVEL WIND..NE 7G15 NE 9G15 NE 10G20 E 9G15 MIX HGT (FT)....1900 3000 3900 4000 MIXNG WIND......NE 16 NE 16 NE 12 NE 10 HAINES INDEX....3 3 2 3 $$ FORECASTER...PODRAZIK REQUESTED BY...LUKE FEILMEIER TYPE OF REQUEST...PRESCRIBED .TAG 20120425.SOUTH.01/DMX