FNUS73 KDMX 021203 FWSDMX SPOT FORECAST FOR BLACK HAWK WMA...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 703 AM CDT MON MAY 2 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 02. 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... VERY LOW RELATIVE HUMIDITY VALUES WILL BE IN PLACE ONCE AGAIN...DROPPING INTO THE 20S BY THIS AFTERNOON. BREEZY WEST TO NORTHWEST WINDS OF 10 TO 20 MPH WILL BE COMMON. HIGH MIXING HEIGHTS AND ADEQUATE TRANSPORT WINDS WILL LEAD TO EXCELLENT SMOKE DISPERSION. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........21 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 8 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 9600 FT AGL. MIXING WINDS........NORTH 7 TO 14 MPH SHIFTING TO THE NORTHWEST 17 TO 23 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (38100 KNOT-FT) INCREASING TO EXCELLENT (180100 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 9 TO 17 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........20 23 28 31 31 31 31 36 47 WEATHER COV..... WEATHER TYPE.... TEMP............46 51 54 56 58 59 59 59 58 RH..............42 33 28 26 23 22 21 21 22 20 FT WIND DIR..NW NW NW NW NW NW NW NW NW 20 FT WIND SPD..15 16 16 16 16 17 17 17 16 20 FT WIND GUST.20 25 25 25 25 25 25 25 25 EYE LVL WND DIR.NW NW NW NW NW NW NW NW NW EYE LVL WND SPD.11 11 11 11 11 12 12 12 11 EYE LVL WND GST.20 25 25 25 25 25 25 25 25 MIX HGT (KFT)...4.6 5.7 6.8 7.9 8.5 9.0 9.6 9.3 9.1 MIXNG WIND DIR..N NW NW NW NW NW NW NW NW MIXNG WIND SPD..17 18 17 17 18 20 21 22 23 HAINES INDEX....5 5 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). PATCHY FROST EARLY IN THE MORNING. MIN TEMPERATURE.....AROUND 33. MAX HUMIDITY........64 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 10 MPH BECOMING LIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......8800 FT AGL DECREASING TO 900 FT AGL. MIXING WINDS........NORTHWEST 17 TO 22 MPH BECOMING WEST 5 TO 12 MPH EARLY IN THE EVENING. SMOKE DISPERSAL.....EXCELLENT (166900 KNOT-FT) DECREASING TO MARGINAL (32400 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTH WINDS 8 TO 13 MPH BECOMING LIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........52 57 58 55 45 32 WEATHER COV..... PATCHY WEATHER TYPE....NONE NONE NONE NONE NONE FROST TEMP............57 49 45 41 38 36 RH..............22 34 41 50 54 59 20 FT WIND......NW 15 N 9 N 6 N 3 NW 2 NW 2 20 FT WIND GUST.20 10 5 EYE LEVEL WIND..NW 11 N 6 N 4 N 2 NW 1 NW 1 EYE LEVEL WIND..20 10 5 5 MIX HGT (FT)....8800 6500 3900 900 500 300 MIXNG WIND......NW 22 N 12 N 5 N 5 NW 5 W 5 HAINES INDEX....4 5 5 5 5 5 .TUESDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........21 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST 5 TO 8 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 9700 FT AGL. MIXING WINDS........NORTHWEST 6 TO 14 MPH. SMOKE DISPERSAL.....MARGINAL (36800 KNOT-FT) INCREASING TO EXCELLENT (97300 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 6 TO 10 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........22 19 16 14 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............36 49 58 63 RH..............61 39 25 21 20 FT WIND......NW 3G5 N 7 NW 7 NW 8G10 EYE LEVEL WIND..NW 2G5 N 5 NW 5 NW 6G10 MIX HGT (FT)....300 5400 8900 9700 MIXNG WIND......W 6 N 14 NW 13 NW 10 HAINES INDEX....5 5 5 5 $$ FORECASTER...DONAVON REQUESTED BY...PETE HILDRETH TYPE OF REQUEST...PRESCRIBED .TAG 20110502.BLACK.01/DMX