FNUS73 KDMX 031315 FWSDMX SPOT FORECAST FOR CHIZEK...IA-DNR/USFWS NATIONAL WEATHER SERVICE DES MOINES IA 815 AM CDT TUE APR 3 2012 FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 03. 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... COLD FRONT HAS PASSED THROUGH THE STATE THIS MORNING WITH MAINLY NORTH TO NORTHEAST WINDS ACROSS IOWA FOR MUCH OF THE DAY. SKIES WILL BE MOSTLY CLOUDY BUT THE THREAT OF RAIN IS MINIMAL. .TODAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). TEMPERATURE.........61 AT IGNITION...MAX 67. RH..................78 PERCENT AT IGNITION...MIN 56 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 7 TO 16 MPH INCREASING TO AROUND 17 MPH IN THE AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 3200 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 5 TO 8 MPH INCREASING TO NORTHEAST 13 TO 22 MPH EARLY IN THE MORNING...THEN INCREASING TO AROUND 23 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR (15000 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (57400-65300 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........WINDS NORTH AT 13 MPH AT IGNITION...OTHERWISE NORTH WINDS 7 TO 16 MPH INCREASING TO AROUND 17 MPH IN THE AFTERNOON. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........55 60 65 70 73 73 72 71 70 69 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............59 61 62 64 65 65 66 66 66 65 RH..............78 75 72 67 65 63 61 58 56 58 20 FT WIND DIR..NW N N N N N N N N N 20 FT WIND SPD..12 13 14 15 16 17 17 17 17 17 20 FT WIND GUST.15 15 20 20 25 25 25 25 25 25 EYE LVL WND DIR.NW N N N N N N N N N EYE LVL WND SPD.9 9 10 11 11 12 12 12 12 12 EYE LVL WND GST.15 15 20 20 25 25 25 25 25 25 MIX HGT (KFT)...0.9 1.2 1.6 2.0 2.4 2.7 2.9 3.2 3.2 3.2 MIXNG WIND DIR..NW N N N N NE NE NE NE NE MIXNG WIND SPD..13 17 18 20 20 20 21 21 22 23 HAINES INDEX....6 6 6 6 6 5 5 4 4 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). TEMPERATURE.........MIN 47. RH..................MAX 77 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 10 TO 16 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3300 FT AGL DECREASING TO 1300 FT AGL EARLY IN THE MORNING. MIXING WINDS........NORTHEAST 16 TO 24 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (18900-68300 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 10 TO 16 MPH. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........69 58 47 57 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............63 57 53 51 RH..............60 67 66 71 20 FT WIND......N 16G25 NE 12G15 NE 13G15 NE 12G15 EYE LEVEL WIND..N 11G25 NE 9G15 NE 9G15 NE 9G15 MIX HGT (FT)....3300 2500 2000 1700 MIXNG WIND......NE 24 NE 23 NE 21 NE 22 HAINES INDEX....3 3 2 2 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). TEMPERATURE.........MAX 61. RH..................MIN 37 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 10 TO 16 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2800 FT AGL INCREASING TO 4700 FT AGL IN THE LATE MORNING AND AFTERNOON...THEN DECREASING TO 2700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 15 TO 24 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (14800-67900 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (54300-83700 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........NORTHEAST WINDS 10 TO 16 MPH. TIME (CDT) 7 AM 11 AM 3 PM SKY (%).........67 69 69 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TSTM COV........ TEMP............49 55 60 RH..............77 55 39 20 FT WIND......NE 10G15 NE 14G20 NE 16G20 EYE LEVEL WIND..NE 7G15 NE 10G20 NE 11G20 MIX HGT (FT)....1100 3200 4400 MIXNG WIND......NE 15 E 24 NE 21 HAINES INDEX....2 3 3 $$ FORECASTER...COGIL REQUESTED BY...ERIK ACKER TYPE OF REQUEST...PRESCRIBED .TAG 20120403.CHIZE.01/DMX