FNUS73 KDMX 051519 FWSDMX SPOT FORECAST FOR FEILMEIER...IDNR NATIONAL WEATHER SERVICE DES MOINES IA 1019 AM CDT THU MAY 5 2011 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON MAY 05. 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... A SURFACE LOW OVER SOUTHEAST MINNESOTA WILL SHIFT EAST TODAY. A TIGHT PRESSURE GRADIENT WITH THIS FEATURE WILL KEEP BREEZY CONDITIONS GOING THROUGH THE EVENING. AN UPPER LEVEL TROUGH OF LOW PRESSURE WILL ALSO SHIFT EAST TODAY BRINGING ANOTHER CHANCE FOR SHOWERS AND POSSIBLY AN ISOLATED THUNDERSTORM THIS AFTERNOON. PLEASE REMEMBER TO SEND SPOT FORECAST REQUESTS THE NIGHT BEFORE A BURN... EVEN IF IT IS JUST FOR PLANNING PURPOSES. REQUESTS MADE WITH LESS THAN ONE HOUR TO IGNITION TIME MAY NOT BE ABLE TO BE PROMPTLY FILLED. .TODAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING MOSTLY SUNNY (35-45 PERCENT). ISOLATED RAIN SHOWERS IN THE AFTERNOON. ISOLATED THUNDERSTORMS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........30 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 15 TO 30 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500 FT AGL INCREASING TO 10500 FT AGL. MIXING WINDS........NORTHWEST 20 TO 29 MPH DECREASING TO 15 TO 21 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (72300 KNOT-FT) INCREASING TO EXCELLENT (189300 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 13 TO 22 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........21 28 45 59 57 52 50 51 52 WEATHER COV..... ISO ISO ISO ISO ISO ISO WEATHER TYPE.... RW RW RW RW RW RW TEMP............54 57 59 62 63 64 65 64 63 RH..............66 55 47 39 36 32 30 31 31 20 FT WIND DIR..NW NW NW NW NW NW NW NW NW 20 FT WIND SPD..17 18 20 21 22 22 21 20 18 20 FT WIND GUST.25 25 30 30 30 30 30 30 25 EYE LVL WND DIR.NW NW NW NW NW NW NW NW NW EYE LVL WND SPD.12 13 14 15 16 16 15 14 13 EYE LVL WND GST.25 25 30 30 30 30 30 30 25 MIX HGT (KFT)...3.5 5.3 7.2 9.0 9.5 10 11 9.6 8.6 MIXNG WIND DIR..NW NW NW NW NW NW NW NW NW MIXNG WIND SPD..29 25 20 15 16 18 21 21 20 HAINES INDEX....4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 42. MAX HUMIDITY........73 PERCENT. EYE LEVEL WINDS.....NORTHWEST WIND 15 TO 25 MPH SHIFTING TO THE WEST 5 TO 6 MPH AFTER MIDNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......7700 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........NORTHWEST 10 TO 17 MPH SHIFTING TO THE SOUTHWEST 6 TO 7 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....EXCELLENT (114900 KNOT-FT) DECREASING TO POOR (1500 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........WEST WINDS 7 TO 16 MPH SHIFTING TO THE SOUTHWEST 5 TO 6 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........53 37 17 2 6 11 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 56 52 49 46 45 RH..............32 45 54 61 68 70 20 FT WIND......NW 16 W 13 W 8 W 5 W 5 SW 6 20 FT WIND GUST.25 15 10 EYE LEVEL WIND..NW 11 W 9 W 6 W 4 W 4 SW 4 EYE LEVEL WIND..25 15 10 5 5 5 MIX HGT (FT)....7700 2700 300 300 300 300 MIXNG WIND......NW 17 NW 10 W 6 W 7 W 6 SW 6 HAINES INDEX....4 5 5 5 5 5 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 73. MIN HUMIDITY........31 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WIND 10 TO 20 MPH INCREASING TO 15 TO 25 MPH IN THE AFTERNOON AND BECOMING SOUTH. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 7000 FT AGL. MIXING WINDS........SOUTHWEST 7 TO 16 MPH SHIFTING TO THE SOUTH 18 TO 24 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (18400 KNOT-FT) INCREASING TO EXCELLENT (147800 KNOT-FT). WIND (20 FT)........SOUTH WINDS 7 TO 16 MPH INCREASING TO 16 TO 17 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........15 33 51 59 WEATHER COV..... S CHC WEATHER TYPE....NONE NONE NONE RNSHWR TEMP............44 58 67 72 RH..............73 45 33 31 20 FT WIND......SW 7 SW 12G15 S 16G25 S 17G25 EYE LEVEL WIND..SW 5 SW 9G15 S 11G25 S 12G25 MIX HGT (FT)....300 3100 6700 6900 MIXNG WIND......SW 7 SW 12 S 16 S 22 HAINES INDEX....5 5 5 6 $$ FORECASTER...BOKSA REQUESTED BY...JOHN MCCLEARY TYPE OF REQUEST...PRESCRIBED .TAG 20110505.FEILM.01/DMX