FNUS73 KDMX 041424 FWSDMX SPOT FORECAST FOR OTTOSON POTHOLES...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 924 AM CDT TUE MAY 4 2010 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... STRONG SOUTHWEST WINDS ARE EXPECTED TODAY WITH GUSTS OVER 30 MPH BY THE AFTERNOON. A THREAT OF THUNDERSTORMS WILL INCREASE AFTER 4 PM AS A COLD FRONT APPROACHES THE AREA. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. TEMPERATURE.........73 AT IGNITION...MAX 80. MIN HUMIDITY........37 PERCENT AT IGNITION...MIN 29 PERCENT. WIND (EYE LEVEL)....WEST WINDS 10 TO 18 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 5200 FT AGL LATE IN THE MORNING...THEN INCREASING TO 8300 FT AGL EARLY IN THE AFTERNOON INCREASING TO 9000 FT AGL LATE IN THE AFTERNOON DECREASING TO 5900 FT AGL. MIXING WINDS........SOUTHWEST 8 TO 17 MPH INCREASING TO 23 TO 32 MPH LATE IN THE MORNING...THEN SHIFTING TO THE WEST 35 TO 36 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (15900 KNOT-FT) INCREASING TO EXCELLENT (268600 KNOT-FT). TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........21 20 25 35 45 54 64 WEATHER COV..... ISO ISO ISO WEATHER TYPE.... RW RW RW TEMP............73 76 78 79 79 78 75 RH..............37 34 31 29 29 29 31 EYE LVL WND DIR.SW SW SW W W W NW EYE LVL WND SPD.14 14 14 14 14 14 14 EYE LVL WND GST.30 30 30 30 30 30 30 MIX HGT (KFT)...5.2 6.9 7.6 8.3 9.0 7.4 5.9 MIXNG WIND DIR..SW SW SW SW W W W MIXNG WIND SPD..28 32 35 35 35 36 36 HAINES INDEX....5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....42. MAX HUMIDITY........73 PERCENT. WIND (EYE LEVEL)....WEST WINDS 10 TO 17 MPH SHIFTING TO THE SOUTH AROUND 5 MPH EARLY IN THE EVENING...THEN BECOMING LIGHT IN THE LATE EVENING AND EARLY MORNING BECOMING WEST 5 TO 6 MPH AFTER MIDNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4300 FT AGL DECREASING TO 1600 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHWEST 29 TO 33 MPH BECOMING WEST 8 TO 10 MPH. SMOKE DISPERSAL.....EXCELLENT (126000 KNOT-FT) DECREASING TO POOR (10400 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........69 71 72 51 WEATHER COV.....CHANCE CHANCE S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............73 57 49 46 RH..............31 53 66 68 EYE LEVEL WIND..NW 14G30 SE 1 NW 2G5 SW 5 MIX HGT (FT)....4300 300 1300 500 MIXNG WIND......NW 33 W 17 W 9 W 9 HAINES INDEX....5 5 5 5 .WEDNESDAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). MAX TEMPERATURE.....61. MIN HUMIDITY........32 PERCENT. WIND (EYE LEVEL)....WEST WINDS 6 TO 13 MPH INCREASING TO 14 TO 17 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1400 FT AGL INCREASING TO 9500 FT AGL. MIXING WINDS........WEST 10 TO 18 MPH INCREASING TO 30 TO 38 MPH. SMOKE DISPERSAL.....GOOD (59700 KNOT-FT) INCREASING TO EXCELLENT (276000 KNOT-FT). TIME (CDT) 7 AM 11 AM 3 PM SKY (%).........29 23 22 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............43 54 60 RH..............73 43 33 EYE LEVEL WIND..W 5G10 W 14G30 W 14G30 MIX HGT (FT)....300 5000 8900 MIXNG WIND......W 10 W 38 W 35 HAINES INDEX....5 5 5 $$ FORECASTER...COGIL REQUESTED BY...DAVE WHITE TYPE OF REQUEST...PRESCRIBED .TAG 20100504.OTTOS.01/DMX