FNUS73 KDMX 311259 FWSDMX SPOT FORECAST FOR DEWEY S PASTURE HOLTE...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 759 AM CDT WED OCT 31 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON OCTOBER 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... DRY AND SEASONAL CONDITIONS WILL CONTINUE TODAY...WITH HIGH PRESSURE IN PLACE ACROSS THE REGION. MOSTLY SUNNY SKIES AND LIGHT WINDS ARE EXPECTED. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........43 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 3100 FT AGL IN THE AFTERNOON. MIXING WINDS........WEST 3 TO 9 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1000-25100 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........42 42 42 43 45 48 50 52 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............44 48 51 53 54 54 54 52 RH..............55 49 46 43 43 43 43 48 20 FT WIND DIR..NW W W W W W W W 20 FT WIND SPD..5 5 6 6 6 6 6 6 20 FT WIND GUST. EYE LVL WND DIR.NW W W W W W W W EYE LVL WND SPD.4 4 4 4 4 4 4 4 EYE LVL WND GST. MIX HGT (KFT)...1.5 2.0 2.6 2.8 3.0 3.1 2.2 1.2 MIXNG WIND DIR..W NW NW NW W W W W MIXNG WIND SPD..5 6 7 8 9 9 8 6 HAINES INDEX....3 3 3 3 3 3 3 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). MIN TEMPERATURE.....AROUND 37. MAX HUMIDITY........85 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 6 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING NORTH 5 TO 7 MPH AFTER MIDNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........NORTHWEST 3 TO 12 MPH SHIFTING TO THE NORTH 14 TO 17 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO POOR (700-3700 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING NORTH 5 TO 7 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........53 59 67 73 72 70 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............50 44 42 41 39 38 RH..............52 65 70 73 79 82 20 FT WIND......W 6 NW 5 NW 5 NW 3 NW 5 N 6 20 FT WIND GUST. 5 EYE LEVEL WIND..W 4 NW 4 NW 4 NW 2 NW 4 N 4 EYE LVL WND GST. 5 MIX HGT (FT)....300 300 300 300 300 300 MIXNG WIND......W 3 SW 3 SW 5 W 6 NW 12 N 16 HAINES INDEX....4 5 5 4 4 4 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 52. MIN HUMIDITY........48 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 7 TO 12 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 3300 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........NORTH 13 TO 22 MPH DECREASING TO AROUND 9 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (4000-54100 KNOT-FT). WIND (20 FT)........NORTH WINDS 7 TO 12 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........69 51 32 29 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............38 43 49 51 RH..............82 70 58 50 20 FT WIND......N 8G10 N 10G15 N 12G15 N 10G15 EYE LEVEL WIND..N 6G10 N 7G15 N 9G15 N 7G15 MIX HGT (FT)....300 1800 3200 3300 MIXNG WIND......N 18 N 22 N 20 N 16 HAINES INDEX....4 4 4 4 $$ FORECASTER...BEERENDS REQUESTED BY...STEVE WOODRUFF TYPE OF REQUEST...PRESCRIBED .TAG 20121031.DEWEY.01/DMX