FNUS73 KDMX 251035 FWSDMX SPOT FORECAST FOR CALKINS NATURE AREA...HARDIN COUNTY CONSERVATION NATIONAL WEATHER SERVICE DES MOINES IA 535 AM CDT THU APR 25 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 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... RELATIVELY QUIET WEATHER IS EXPECTED TODAY AS A SURFACE RIDGE PASSES ACROSS THE STATE. WINDS WILL BE WESTERLY EARLY BUT BECOME MORE SOUTHWEST TO SOUTH BY AFTERNOON AS THE SURFACE RIDGE PUSHES TO THE EAST. THERE IS NO THREAT OF PRECIPITATION. .REST OF TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). TEMPERATURE.........40 AT IGNITION...MAX 54. RH..................57 PERCENT AT IGNITION...MIN 41 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 9 TO 12 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5200 FT AGL IN THE MORNING...THEN INCREASING TO 6200 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 14 TO 22 MPH. SMOKE DISPERSAL.....POOR (10800 KNOT-FT) THIS EARLY THIS MORNING INCREASING TO EXCELLENT (91400 KNOT-FT) DURING THE AFTERNOON. WIND (20 FT)........WINDS NORTHWEST AT 12 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 9 TO 12 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........8 8 8 8 8 9 10 12 17 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............40 43 46 48 50 52 53 54 54 RH..............57 53 47 44 42 41 41 43 45 20 FT WIND DIR..NW W W W W W SW SW S 20 FT WIND SPD..12 12 12 10 10 10 10 12 12 20 FT WIND GUST.15 15 15 15 15 15 15 15 15 EYE LVL WND DIR.NW W W W W W SW SW S EYE LVL WND SPD.9 9 9 7 7 7 7 9 9 EYE LVL WND GST.15 15 15 15 15 15 15 15 15 MIX HGT (KFT)...4.5 4.9 5.2 5.5 5.8 6.0 6.2 4.2 2.2 MIXNG WIND DIR..NW NW NW NW W W W SW SW MIXNG WIND SPD..22 22 21 18 16 15 14 14 15 HAINES INDEX....4 4 3 3 3 3 3 3 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT). TEMPERATURE.........MIN 42. RH..................MAX 82 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 12 TO 15 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........SOUTH 12 TO 15 MPH. SMOKE DISPERSAL.....POOR TO POOR (2500-3300 KNOT-FT). WIND (20 FT)........SOUTH WINDS 12 TO 15 MPH. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........20 12 15 51 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............52 47 45 43 RH..............52 63 68 79 20 FT WIND......S 12G15 S 13G15 S 15G20 S 14G20 EYE LEVEL WIND..S 9G15 S 9G15 S 11G20 S 10G20 MIX HGT (FT)....300 300 300 300 MIXNG WIND......S 15 S 12 S 14 S 15 HAINES INDEX....4 4 4 6 $$ FORECASTER...COGIL REQUESTED BY...ROB ALLEN TYPE OF REQUEST...PRESCRIBED .TAG 20130425.CALKI.01/DMX