FNUS73 KDMX 281016 FWSDMX SPOT FORECAST FOR SNAKE CREEK MARSH...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 516 AM CDT WED MAR 28 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 28. 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... HIGH PRESSURE WILL BUILD INTO THE STATE TODAY WITH GENERALLY SUNNY SKIES AND WINDS MUCH LIGHTER THAN TUESDAY. STILL ANTICIPATE NORTHWEST SURFACE WINDS BUT DIMINISHING INTO THE LATER PART OF THE AFTERNOON AS THE HIGH PRESSURE APPROACHES. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). TEMPERATURE.........54 AT IGNITION...MAX 70. RH..................57 PERCENT AT IGNITION...MIN 29 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 6 TO 9 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1200 FT AGL INCREASING TO 5700 FT AGL. MIXING WINDS........NORTHWEST 6 TO 15 MPH INCREASING TO 8 TO 17 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (1300-50800 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (32900-72300 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........WINDS NORTH AT 9 MPH AT IGNITION...OTHERWISE NORTH WINDS 6 TO 9 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........18 19 20 21 20 20 19 18 18 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............54 58 62 65 67 68 70 69 68 RH..............57 49 41 37 33 32 29 31 33 20 FT WIND DIR..N N NW NW NW N N N NE 20 FT WIND SPD..9 9 9 8 8 7 7 7 6 20 FT WIND GUST.10 10 10 10 10 EYE LVL WND DIR.N N NW NW NW N N N NE EYE LVL WND SPD.6 6 6 6 6 5 5 5 4 EYE LVL WND GST.10 10 10 10 10 MIX HGT (KFT)...1.2 2.4 3.5 4.7 5.0 5.4 5.7 5.4 5.0 MIXNG WIND DIR..NW NW NW NW NW NW NW NW N MIXNG WIND SPD..13 15 16 17 16 15 13 10 8 HAINES INDEX....4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). TEMPERATURE.........MIN 44. RH..................MAX 0 PERCENT. EYE LEVEL WINDS.....EAST WINDS 6 TO 9 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4700 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........EAST 6 TO 12 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1500-23300 KNOT-FT). WIND (20 FT)........EAST WINDS 6 TO 9 MPH. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........17 21 24 34 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............67 57 51 45 RH..............36 49 63 82 20 FT WIND......NE 6 E 6 E 8G10 E 9G10 EYE LEVEL WIND..NE 4G5 E 4G5 E 6G10 E 6G10 MIX HGT (FT)....4700 300 300 300 MIXNG WIND......N 6 E 7 E 10 E 9 HAINES INDEX....4 4 5 5 $$ FORECASTER...COGIL REQUESTED BY...WILDLIFE TYPE OF REQUEST...PRESCRIBED .TAG 20120328.SNAKE.01/DMX