FNUS73 KDMX 310930 FWSDMX SPOT FORECAST FOR DUNBAR SLOUGH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 430 AM CDT SAT MAR 31 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MARCH 31. 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... WEAK HIGH PRESSURE OVER EASTERN IOWA WILL MOVE EAST AS A WARM FRONT PUSHES NORTH INTO IOWA TONIGHT. SCATTERED THUNDERSTORMS WILL APPROACH FROM THE WEST LATE IN THE DAY...WITH SCATTERED THUNDERSTORMS OVERNIGHT. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 78. MIN HUMIDITY........52 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 8 TO 14 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300 FT AGL INCREASING TO 4500 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 14 TO 22 MPH SHIFTING TO THE SOUTHWEST 24 TO 26 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO EXCELLENT (6500-93900 KNOT-FT). WIND (20 FT)........SOUTH WINDS 8 TO 14 MPH. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........59 58 57 51 44 47 53 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............67 72 75 76 77 77 75 RH..............65 59 54 54 52 52 54 20 FT WIND DIR..S S S S S S S 20 FT WIND SPD..12 12 13 14 14 13 12 20 FT WIND GUST.15 15 15 20 20 15 15 EYE LVL WND DIR.S S S S S S S EYE LVL WND SPD.9 9 9 10 10 9 9 EYE LVL WND GST.15 15 15 20 20 15 15 MIX HGT (KFT)...2.3 2.6 3.2 3.9 4.5 3.1 1.7 MIXNG WIND DIR..S S S SW SW SW SW MIXNG WIND SPD..14 15 17 22 24 25 26 HAINES INDEX....6 6 5 5 4 4 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........78 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 12 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........SOUTHWEST 17 TO 25 MPH DECREASING TO 10 TO 14 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....POOR TO POOR (2200-5500 KNOT-FT). WIND (20 FT)........SOUTHWEST WINDS 5 TO 12 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........56 43 37 36 32 27 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............74 69 67 64 62 61 RH..............55 63 63 67 72 75 20 FT WIND......S 9 S 10 S 9 S 6 SW 7 SW 6 20 FT WIND GUST.10 15 10 EYE LEVEL WIND..S 6 S 7 S 6 S 4 SW 5 SW 4 EYE LVL WND GST.10 15 10 MIX HGT (FT)....300 300 300 300 300 300 MIXNG WIND......SW 25 SW 17 S 13 SW 14 SW 13 SW 12 HAINES INDEX....5 5 5 5 6 6 .SUNDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 88. MIN HUMIDITY........40 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 14 TO 17 MPH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 5000 FT AGL. MIXING WINDS........SOUTHWEST 10 TO 16 MPH INCREASING TO SOUTH 20 TO 26 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (2300-41300 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (56400-105000 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........23 4 0 8 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............60 70 81 86 RH..............78 68 49 40 EYE LEVEL WIND..S 2G5 S 7G15 S 12G25 S 12G25 MIX HGT (FT)....300 600 3300 5000 MIXNG WIND......SW 10 SW 20 SW 20 S 24 HAINES INDEX....5 5 5 5 $$ FORECASTER...SCHUMACHER REQUESTED BY...DAN PAULSON TYPE OF REQUEST...PRESCRIBED .TAG 20120331.DUNBA.01/DMX