FNUS73 KDMX 041320 FWSDMX SPOT FORECAST FOR DICKENS-FERGUSON...IA-DNR/USFWS NATIONAL WEATHER SERVICE DES MOINES IA 820 AM CDT WED APR 4 2012 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 04. 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... AN UPPER LEVEL LOW AROSS THE CENTRAL PLAINS WILL CAUSE EASTERLY WINDS TO INCREASE LATE THIS MORNING INTO THIS AFTERNOON. THIS LOW WILL SPREAD RAIN AND CLOUDS ACROSS SOUTHERN IOWA. .TODAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........38 PERCENT. EYE LEVEL WINDS.....EAST WINDS 13 TO 18 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 4000 FT AGL IN THE LATE MORNING AND AFTERNOON...THEN DECREASING TO 1500 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 16 TO 23 MPH. SMOKE DISPERSAL.....POOR TO GOOD (3500-55200 KNOT-FT) INCREASING TO FAIR TO EXCELLENT (27900-71300 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........EAST WINDS 13 TO 18 MPH. GUSTS UP TO 30 MPH LATE IN THE MORNING. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........53 53 53 52 52 54 58 63 67 71 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............52 54 56 58 60 61 61 62 61 60 RH..............61 54 49 45 41 39 39 38 38 39 20 FT WIND DIR..NE E E E E E E E E E 20 FT WIND SPD..14 15 16 17 18 17 17 16 16 15 20 FT WIND GUST.20 20 25 30 30 30 30 25 25 20 EYE LVL WND DIR.NE E E E E E E E E E EYE LVL WND SPD.10 11 11 12 13 12 12 11 11 11 EYE LVL WND GST.20 20 25 30 30 30 30 25 25 20 MIX HGT (KFT)...1.7 2.5 2.7 3.0 3.3 3.5 3.7 4.0 2.7 1.5 MIXNG WIND DIR..E E E E E E E E E E MIXNG WIND SPD..21 23 22 21 20 20 21 21 22 22 HAINES INDEX....3 3 3 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 39. MAX HUMIDITY........65 PERCENT. EYE LEVEL WINDS.....EAST WINDS 8 TO 14 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1000 FT AGL. MIXING WINDS........EAST 13 TO 21 MPH DECREASING TO 10 TO 17 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....POOR TO FAIR (2300-14400 KNOT-FT). WIND (20 FT)........EAST WINDS 8 TO 14 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........73 60 42 28 30 31 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............57 51 48 46 44 42 RH..............43 54 58 63 62 62 20 FT WIND......E 14 E 9 E 9 E 13 E 12 E 10 20 FT WIND GUST.20 10 10 15 15 15 EYE LEVEL WIND..E 10 E 6 E 6 E 9 E 9 E 7 EYE LVL WND GST.20 10 10 15 15 15 MIX HGT (FT)....300 300 300 300 700 1000 MIXNG WIND......E 21 E 13 E 12 E 17 E 17 E 17 HAINES INDEX....4 3 3 4 4 4 $$ FORECASTER...DEITSCH REQUESTED BY...ERIK ACKER TYPE OF REQUEST...PRESCRIBED .TAG 20120404.DICKE.01/DMX