FNUS73 KDMX 281727 FWSDMX SPOT FORECAST FOR HAMMERSTROM WPA...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 1227 PM CDT WED MAR 28 2012 FORECAST IS BASED ON IGNITION TIME OF 1430 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 AT MIDDAY WILL SLIDE TOWARD THE GREAT LAKES BY EARLY THIS EVENING. WINDS WILL REMAIN RATHER LIGHT TODAY WITH LOW MINIMUM RELATIVE HUMIDITIES AND FAIRLY TYPICAL SPRING MIXING. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........28 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 7 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 5300 FT AGL. MIXING WINDS........NORTH 5 TO 14 MPH. SMOKE DISPERSAL.....POOR TO GOOD (1000-46100 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH. TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........22 23 23 24 24 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............64 66 68 67 66 RH..............34 32 28 30 33 20 FT WIND DIR..N N N NE NE 20 FT WIND SPD..6 6 5 5 5 20 FT WIND GUST. EYE LVL WND DIR.N N N NE NE EYE LVL WND SPD.4 4 4 4 4 EYE LVL WND GST. MIX HGT (KFT)...4.2 4.7 5.3 5.0 4.7 MIXNG WIND DIR..NW NW NW N NE MIXNG WIND SPD..13 12 9 8 7 HAINES INDEX....5 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 46. MAX HUMIDITY........79 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 12 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4400 FT AGL DECREASING TO 1600 FT AGL EARLY IN THE EVENING. MIXING WINDS........EAST 6 TO 15 MPH INCREASING TO 17 TO 20 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO FAIR (1800-22000 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 6 TO 12 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........25 24 24 24 32 43 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............68 60 54 51 47 46 RH..............32 42 52 61 74 76 20 FT WIND......E 6 E 7 E 8 E 9 E 9 E 10 20 FT WIND GUST. 10 10 10 15 EYE LEVEL WIND..E 4 E 5 E 6 E 6 E 6 E 7 EYE LVL WND GST. 10 10 10 15 MIX HGT (FT)....4400 1600 300 300 300 400 MIXNG WIND......NE 6 E 7 E 8 E 10 E 15 E 18 HAINES INDEX....4 5 5 5 6 5 $$ FORECASTER...SMALL REQUESTED BY...PETE HILDRETH TYPE OF REQUEST...PRESCRIBED .TAG 20120328.HAMME.01/DMX