FNUS73 KDMX 241515 FWSDMX SPOT FORECAST FOR SPRING CREEK...FRANKLIN COUNTY CONSERVATION NATIONAL WEATHER SERVICE DES MOINES IA 1015 AM CDT WED APR 24 2013 FORECAST IS BASED ON IGNITION TIME OF 1400 CDT ON APRIL 24. 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... WINDS WILL REMAIN WESTERLY TO SOUTHWESTERLY THROUGHOUT THE DAY...INCREASING INTO THE AFTERNOON HOURS WITH GUSTS AND GOOD MIXING. CHANCES FOR PRECIPITATION WILL INCREASE IN THE LATE AFTERNOON AND EVENING HOURS AHEAD OF AN APPROACHING UPPER LEVEL SYSTEM. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT) THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. ISOLATED THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 51. MIN HUMIDITY........44 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 7 TO 15 MPH SHIFTING TO THE WEST 17 TO 21 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2400 FT AGL INCREASING TO 7500 FT AGL. MIXING WINDS........ SMOKE DISPERSAL.....POOR TO GOOD (5900-50800 KNOT-FT) INCREASING TO POOR TO EXCELLENT (0-150500 KNOT-FT). WIND (20 FT)........SOUTHWEST WINDS 7 TO 15 MPH SHIFTING TO THE WEST 17 TO 21 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE AFTERNOON. TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........33 40 43 54 76 WEATHER COV..... SCH CHC WEATHER TYPE.... RW RW TSTM COV........ ISO ISO TEMP............49 50 51 51 49 RH..............48 46 44 46 50 20 FT WIND DIR..SW SW SW W W 20 FT WIND SPD..17 20 21 21 20 20 FT WIND GUST.25 30 30 30 30 EYE LVL WND DIR.SW SW SW W W EYE LVL WND SPD.12 14 15 15 14 EYE LVL WND GST.25 30 30 30 30 MIX HGT (KFT)...6.5 7.0 7.5 7.4 7.3 MIXNG WIND DIR..M M M M M MIXNG WIND SPD..M M M M M HAINES INDEX....4 4 4 4 4 .TONIGHT... MIN TEMPERATURE.....AROUND 30. MAX HUMIDITY........85 PERCENT. WIND (20 FT)........WEST WINDS 12 TO 18 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............48 41 38 35 33 31 RH..............51 65 73 78 82 81 20 FT WIND......W 18 W 17 W 15 W 14 W 14 W 13 20 FT WIND GUST.25 25 20 20 20 15 $$ FORECASTER...BHATTARAI REQUESTED BY...JASON GOODER TYPE OF REQUEST...PRESCRIBED .TAG 20130424.SPRIN.01/DMX