FNUS73 KDMX 031218 FWSDMX SPOT FORECAST FOR CHIZEK...IA-DNR/USFWS NATIONAL WEATHER SERVICE DES MOINES IA 718 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... A WEAK COLD FRONT WILL CONTINUE TO PUSH ACROSS THE REGION...WITH WINDS FROM THE SOUTH AHEAD OF THE FRONT AND NORTH TO NORTHWEST BEHIND THE FRONT. IN ADDITION...WINDS WILL BE BREEZY BEHIND THE FRONT. THERE IS A SLIGHT CHANCE FOR SHOWERS AND THUNDERSTORMS IN THE AFTERNOON AS AN AREA OF LOW PRESSURE BEGINS TO AFFECT THE REGION. .TODAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........56 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 7 TO 16 MPH SHIFTING TO THE NORTHEAST AROUND 17 MPH LATE 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.....POOR TO GOOD (1000-51500 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (57400-65300 KNOT-FT) LATE IN THE AFTERNOON. WIND (20 FT)........SOUTHEAST WINDS 7 TO 16 MPH SHIFTING TO THE NORTHEAST AROUND 17 MPH LATE 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..SW SW SW S S S SE E E NE 20 FT WIND SPD..9 10 12 13 14 15 15 16 17 17 20 FT WIND GUST.10 15 15 15 20 20 20 25 25 25 EYE LVL WND DIR.SW SW SW S S S SE E E NE EYE LVL WND SPD.6 7 9 9 10 11 11 11 12 12 EYE LVL WND GST.10 15 15 15 20 20 20 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). MIN TEMPERATURE.....AROUND 47. MAX HUMIDITY........77 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 10 TO 18 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 18 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........69 62 54 47 53 61 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............63 58 56 53 51 50 RH..............60 67 64 66 71 74 20 FT WIND......NE 18 NE 17 NE 15 NE 13 NE 12 NE 10 20 FT WIND GUST.25 20 20 15 15 15 EYE LEVEL WIND..NE 13 NE 12 NE 11 NE 9 NE 9 NE 7 EYE LVL WND GST.25 20 20 15 15 15 MIX HGT (FT)....3300 2700 2300 2000 1800 1500 MIXNG WIND......NE 24 NE 24 NE 22 NE 21 NE 22 NE 20 HAINES INDEX....3 3 3 2 2 2 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........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 10 AM 1 PM 4 PM SKY (%).........67 68 69 68 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............49 53 58 60 RH..............77 61 45 37 20 FT WIND......NE 10G15 NE 14G20 NE 15G20 NE 16G20 EYE LEVEL WIND..NE 7G15 NE 10G20 NE 11G20 NE 11G20 MIX HGT (FT)....1100 2800 3900 4700 MIXNG WIND......NE 15 E 24 E 21 NE 21 HAINES INDEX....2 3 4 3 $$ FORECASTER...WILKINS REQUESTED BY...ERIK ACKER TYPE OF REQUEST...PRESCRIBED .TAG 20120403.CHIZE.01/DMX