FNUS73 KDMX 071450 FWSDMX SPOT FORECAST FOR BIG CREEK WMA...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 950 AM CDT THU APR 7 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 07. 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... HIGH CLOUDS TO GRADUALLY LOWER INTO THE AFTERNOON AND EVENING HOURS...AS LOW LEVEL MOISTURE INCREASES. THIS WILL BRING CHANCES FOR LIGHT RAIN BY LATER THIS AFTERNOON INTO THE EVENING HOURS. LIGHT SOUTHEASTERLY WINDS WILL BECOME MORE EAST SOUTHEAST WITH TIME...AND SOME GUSTINESS IS POSSIBLY BY LATE MORNING INTO THE AFTERNOON HOURS. PRECIPITATION WILL PERSIST INTO THE OVERNIGHT HOURS...AND TAPER OFF BY FRIDAY MORNING. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 57. MIN HUMIDITY........48 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 5400 FT AGL. MIXING WINDS........SOUTHEAST 6 TO 15 MPH SHIFTING TO THE EAST 13 TO 16 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....GOOD (59500 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 6 TO 14 MPH. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........89 90 92 95 97 99 WEATHER COV.....CHC CHC CHC CHC CHC CHC WEATHER TYPE....RW RW RW RW RW RW TEMP............54 55 56 56 56 56 RH..............50 49 49 49 51 53 20 FT WIND DIR..SE SE SE SE SE SE 20 FT WIND SPD..10 12 12 12 13 14 20 FT WIND GUST.15 15 15 15 15 20 MIX HGT (KFT)...2.3 3.4 4.4 5.4 4.5 3.6 MIXNG WIND DIR..SE SE SE SE E E MIXNG WIND SPD..16 15 14 13 14 15 HAINES INDEX....5 4 4 3 3 4 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS AND ISOLATED THUNDERSTORMS. MIN TEMPERATURE.....AROUND 47. MAX HUMIDITY........86 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL. MIXING WINDS........EAST 16 TO 18 MPH. SMOKE DISPERSAL.....FAIR (38200 KNOT-FT). WIND (20 FT)........EAST WINDS 8 TO 14 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........100 100 100 100 98 95 WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............55 53 51 50 49 48 RH..............57 66 74 83 83 86 20 FT WIND......SE 14 E 10 E 9 E 10 E 9 E 8 20 FT WIND GUST.20 15 10 15 10 10 MIX HGT (FT)....2700 2400 2300 2500 2300 2200 MIXNG WIND......E 16 E 18 E 17 E 16 E 17 E 16 HAINES INDEX....4 3 3 2 2 2 $$ FORECASTER...WILKINS REQUESTED BY...SAYLORVILLE WILDLIFE UNIT TYPE OF REQUEST...PRESCRIBED .TAG 20110407.BIGCR.01/DMX