FNUS73 KDMX 251346 FWSDMX SPOT FORECAST FOR LAKIN SLOUGH...IDNR NATIONAL WEATHER SERVICE DES MOINES IA 846 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 MIDDAY...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 SOUTHEAST...THEN SHIFTING MORE WEST TO NORTHWEST BY THE LATE MORNING AND FINALLY REMAINING NORTHWEST THIS AFTERNOON AS THE WARM FRONT FINALLY PUSHES THROUGH. DURING THE AFTERNOON...WINDS WILL BE NORTHWEST AT 15 TO 20 MPH WITH GUSTS TO OVER 25 MPH AT TIMES. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. TEMPERATURE.........74 AT IGNITION...MAX 86. RH..................48 PERCENT AT IGNITION...MIN 33 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 6 MPH SHIFTING TO THE NORTHWEST 6 TO 14 MPH EARLY IN THE MORNING...THEN INCREASING TO 15 TO 17 MPH IN THE AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 5200 FT AGL EARLY IN THE AFTERNOON...THEN INCREASING TO 6800 FT AGL LATE IN THE AFTERNOON DECREASING TO 4600 FT AGL LATE IN THE AFTERNOON DECREASING TO 2400 FT AGL. MIXING WINDS........SOUTHEAST AROUND 6 MPH SHIFTING TO THE WEST 6 TO 12 MPH EARLY IN THE MORNING...THEN INCREASING TO NORTHWEST 17 TO 26 MPH LATE IN THE MORNING INCREASING TO 26 TO 29 MPH EARLY IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO FAIR (1200-24000 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (44500-168800 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........WINDS WEST AT 10 MPH AT IGNITION...OTHERWISE SOUTHEAST WINDS AROUND 6 MPH SHIFTING TO THE NORTHWEST 6 TO 14 MPH EARLY IN THE MORNING...THEN INCREASING TO 15 TO 17 MPH IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........66 55 50 44 33 27 31 38 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............74 77 80 82 84 84 84 82 RH..............48 45 41 38 34 34 33 35 20 FT WIND DIR..W W NW NW NW NW NW NW 20 FT WIND SPD..10 13 14 16 16 17 16 15 20 FT WIND GUST. 15 20 20 25 25 25 20 EYE LVL WND DIR.W W NW NW NW NW NW NW EYE LVL WND SPD.7 9 10 11 11 12 11 11 EYE LVL WND GST. 15 20 20 25 25 25 20 MIX HGT (KFT)...0.9 1.6 2.2 3.7 5.2 6.8 4.6 2.4 MIXNG WIND DIR..W NW NW NW NW NW NW NW MIXNG WIND SPD..12 17 23 26 29 29 29 26 HAINES INDEX....6 6 6 6 5 5 5 6 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). TEMPERATURE.........MIN 54. RH..................MAX 72 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 8 TO 14 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......900 FT AGL. MIXING WINDS........NORTHWEST 16 TO 24 MPH BECOMING NORTHEAST 5 TO 13 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....POOR TO POOR (900-8000 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 8 TO 14 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........41 40 39 38 40 43 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............81 73 68 64 60 58 RH..............35 46 52 60 67 69 20 FT WIND......NW 14 N 12 N 9 N 8 N 8 N 9 20 FT WIND GUST.20 15 10 10 10 10 EYE LEVEL WIND..NW 10 N 9 N 6 N 6 N 6 N 6 EYE LVL WND GST.20 15 10 10 10 10 MIX HGT (FT)....300 300 300 300 300 600 MIXNG WIND......NW 24 N 16 N 10 N 7 N 5 N 7 HAINES INDEX....6 5 5 6 5 5 $$ FORECASTER...PODRAZIK REQUESTED BY...MICHAEL STRAUSER TYPE OF REQUEST...PRESCRIBED .TAG 20120425.LAKIN.01/DMX