FNUS73 KDMX 281647 FWSDMX SPOT FORECAST FOR MAYNES GROVE...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 1147 AM CDT WED MAR 28 2012 FORECAST IS BASED ON IGNITION TIME OF 1330 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 (5-15 PERCENT). MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........34 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 9 TO 16 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 5300 FT AGL. MIXING WINDS........NORTHWEST 9 TO 16 MPH INCREASING TO 13 TO 15 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO EXCELLENT (2000-61000 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (46100-84400 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........NORTHWEST WINDS 9 TO 16 MPH. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........13 14 16 18 19 21 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............58 60 63 65 64 63 RH..............45 41 36 34 37 38 20 FT WIND DIR..NW NW NW NW NW N 20 FT WIND SPD..16 16 15 14 12 10 20 FT WIND GUST.25 25 20 20 15 15 EYE LVL WND DIR.NW NW NW NW NW N EYE LVL WND SPD.11 11 11 10 9 7 EYE LVL WND GST.25 25 20 20 15 15 MIX HGT (KFT)...3.5 4.1 4.7 5.3 4.7 4.0 MIXNG WIND DIR..NW NW NW NW NW N MIXNG WIND SPD..25 24 21 17 15 13 HAINES INDEX....4 4 3 3 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). MIN TEMPERATURE.....AROUND 39. MAX HUMIDITY........89 PERCENT. EYE LEVEL WINDS.....EAST WINDS 7 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3400 FT AGL DECREASING TO 1300 FT AGL EARLY IN THE EVENING. MIXING WINDS........EAST 7 TO 12 MPH. SMOKE DISPERSAL.....POOR TO GOOD (1500-33600 KNOT-FT). WIND (20 FT)........EAST WINDS 7 TO 10 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........22 21 21 20 23 26 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............60 53 47 44 42 40 RH..............44 54 68 73 79 85 20 FT WIND......N 8 NE 7 NE 8 E 8 E 9 E 9 20 FT WIND GUST.10 10 10 10 10 EYE LEVEL WIND..N 6 NE 5 NE 6 E 6 E 6 E 6 EYE LVL WND GST.10 10 10 10 10 MIX HGT (FT)....3400 1300 300 300 300 300 MIXNG WIND......N 12 NE 8 NE 7 E 8 E 8 E 8 HAINES INDEX....5 5 5 5 5 5 $$ FORECASTER...SMALL REQUESTED BY...RYAN SCHLATER TYPE OF REQUEST...PRESCRIBED .TAG 20120328.MAYNE.01/DMX