FNUS73 KDMX 042100 FWSDMX SPOT FORECAST FOR MCCOY WMA...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 400 PM CDT THU APR 4 2013 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 04. 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... HIGH PRESSURE WILL PUSH INTO THE AREA TONIGHT THEN SHIFT EAST ON FRIDAY. WINDS WILL SWITCH FROM THE NORTH TO THE SOUTHEAST DURING THE DAY. ALSO...LATE FRIDAY AFTERNOON A SURFACE LOW WILL APPROACH FROM THE WEST AND PUT A WARM FRONT ACROSS NORTHERN/WESTERN IOWA. SHOWERS WILL DEVELOP WITH THIS SYSTEM FRIDAY NIGHT INTO SATURDAY...MAINLY ACROSS THE NORTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). MIN TEMPERATURE.....AROUND 31. MAX HUMIDITY........78 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3900 FT AGL DECREASING TO 1500 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHEAST 5 TO 13 MPH. SMOKE DISPERSAL.....POOR TO GOOD (2000-42900 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 6 TO 13 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........15 29 35 37 51 55 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............55 46 41 38 35 33 RH..............41 55 65 70 75 78 20 FT WIND......N 13 N 10 N 9 N 9 NE 7 NE 6 20 FT WIND GUST.15 10 10 EYE LEVEL WIND..N 9 N 7 N 6 N 6 NE 5 NE 4 EYE LVL WND GST.15 10 10 MIX HGT (FT)....3900 1500 500 1000 1000 1000 MIXNG WIND......N 13 N 10 N 9 NE 9 NE 7 NE 5 HAINES INDEX....5 5 5 5 4 4 .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........40 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 15 MPH INCREASING TO 17 TO 18 MPH EARLY IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL INCREASING TO 3800 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1400 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHEAST 5 TO 14 MPH INCREASING TO SOUTH 26 TO 32 MPH. SMOKE DISPERSAL.....POOR TO EXCELLENT (3900-87600 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 6 TO 15 MPH INCREASING TO 17 TO 18 MPH EARLY IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........51 52 64 63 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............32 42 53 58 RH..............75 55 41 42 20 FT WIND......NE 6 SE 10G15 SE 14G20 SE 18G25 EYE LEVEL WIND..NE 4G5 SE 7G15 SE 10G20 SE 13G25 MIX HGT (FT)....1000 1800 3100 3800 MIXNG WIND......E 5 SE 13 S 17 S 26 HAINES INDEX....4 4 4 3 $$ FORECASTER...BOKSA REQUESTED BY...WILDLIFE TYPE OF REQUEST...PRESCRIBED .TAG 20130404.MCCOY.01/DMX