FNUS73 KDMX 281334 FWSDMX SPOT FORECAST FOR HARRIER MARSH...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 834 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 FROM THE DAKOTAS INTO IOWA THIS MORNING WILL SLIDE TOWARD THE GREAT LAKES BY EARLY THIS EVENING. WINDS WILL REMAIN RATHER LIGHT TODAY WITH FAIRLY TYPICAL SPRING MINIMUM RELATIVE HUMIDITIES AND MIXING. PLEASE...AT A MINIMUM...SUBMIT FORECAST AT LEAST TWO HOURS BEFORE BURN TIME. THE PREFERENCE IS TO SUBMIT THE FORECAST REQUEST THE EVENING BEFORE THE BURN. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........31 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 6 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 5500 FT AGL. MIXING WINDS........NORTHWEST 6 TO 14 MPH SHIFTING TO THE NORTH AROUND 8 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (1300-54500 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (35100-74800 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........NORTH WINDS 6 TO 10 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........17 18 19 20 19 19 18 17 17 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............56 59 62 64 66 67 68 67 66 RH..............51 45 41 38 34 33 31 33 36 20 FT WIND DIR..NW NW NW NW NW NW NW N N 20 FT WIND SPD..10 10 10 9 9 9 9 8 7 20 FT WIND GUST.15 15 15 10 10 10 10 10 EYE LVL WND DIR.NW NW NW NW NW NW NW N N EYE LVL WND SPD.7 7 7 6 6 6 6 6 5 EYE LVL WND GST.15 15 15 10 10 10 10 10 MIX HGT (KFT)...1.5 2.5 3.5 4.5 4.8 5.2 5.5 5.3 5.1 MIXNG WIND DIR..NW NW NW NW NW NW NW NW N MIXNG WIND SPD..14 16 17 18 17 16 14 10 8 HAINES INDEX....4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). MIN TEMPERATURE.....AROUND 44. MAX HUMIDITY........86 PERCENT. EYE LEVEL WINDS.....EAST WINDS 6 TO 9 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4900 FT AGL DECREASING TO 1800 FT AGL EARLY IN THE EVENING. MIXING WINDS........EAST 6 TO 10 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1500-24700 KNOT-FT). WIND (20 FT)........EAST WINDS 6 TO 9 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........16 18 20 22 28 35 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............68 59 53 50 47 45 RH..............34 45 57 66 74 82 20 FT WIND......NE 6 NE 6 E 7 E 8 E 8 E 9 20 FT WIND GUST. 10 10 10 EYE LEVEL WIND..NE 4 NE 4 E 5 E 6 E 6 E 6 EYE LVL WND GST. 10 10 10 MIX HGT (FT)....4900 1800 300 300 300 300 MIXNG WIND......N 6 NE 6 E 8 E 10 E 9 E 9 HAINES INDEX....4 5 5 5 5 5 $$ FORECASTER...SMALL REQUESTED BY...WILDLIFE TYPE OF REQUEST...PRESCRIBED .TAG 20120328.HARRI.02/DMX