FNUS73 KDMX 091319 FWSDMX SPOT FORECAST FOR HORNER S-RATHBUN WMU...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 819 AM CDT THU APR 9 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 09. 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... LIGHT WINDS EARLY THIS MORNING WILL BECOME NORTHEAST AND INCREASE TO AROUND 10 MPH BY LATE MORNING. RELATIVE HUMIDITY WILL ALSO DECREASE THROUGH THE MORNING HOURS. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT) THEN BECOMING CLOUDY (90-100 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 54. MIN HUMIDITY........44 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 11 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 4400 FT AGL LATE IN THE MORNING. MIXING WINDS........NORTHEAST 6 TO 14 MPH INCREASING TO 14 TO 18 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....GOOD (47800 KNOT-FT) INCREASING TO EXCELLENT (70300 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........63 69 76 79 81 85 89 92 96 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TEMP............42 45 47 49 51 52 53 53 52 RH..............67 61 56 52 48 46 44 44 46 EYE LVL WND DIR.E E E E E E NE NE NE EYE LVL WND SPD.6 7 8 9 9 9 8 8 8 EYE LVL WND GST.15 15 15 20 20 20 15 15 15 MIX HGT (KFT)...1.7 2.1 2.6 3.0 3.5 4.0 4.4 4.4 4.4 MIXNG WIND DIR..E E E E E E NE NE NE MIXNG WIND SPD..17 18 17 16 15 14 14 16 18 HAINES INDEX....4 4 4 4 4 5 5 5 4 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY. MIN TEMPERATURE.....AROUND 35. MAX HUMIDITY........73 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 10 TO 14 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4400 FT AGL DECREASING TO 2400 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHEAST 15 TO 22 MPH. SMOKE DISPERSAL.....EXCELLENT (79200 KNOT-FT) DECREASING TO FAIR (26600 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........98 99 99 100 96 92 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............51 46 43 41 39 38 RH..............48 55 62 67 70 73 EYE LEVEL WIND..NE 8 NE 8 NE 10 NE 11 NE 10 N 8 EYE LEVEL WIND..15 15 20 25 20 15 MIX HGT (FT)....4400 2400 1200 700 700 700 MIXNG WIND......NE 21 NE 22 NE 22 NE 21 NE 18 NE 16 HAINES INDEX....4 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 52. MIN HUMIDITY........46 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 9 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300 FT AGL INCREASING TO 4900 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO 5100 FT AGL LATE IN THE AFTERNOON DECREASING TO 1900 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTH 15 TO 22 MPH. SMOKE DISPERSAL.....EXCELLENT (71200 KNOT-FT) INCREASING TO EXCELLENT (84800 KNOT-FT) EARLY IN THE AFTERNOON...THEN DECREASING TO EXCELLENT (81100 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........88 67 46 37 WEATHER COV.....S CHC S CHC WEATHER TYPE....RAIN RAIN NONE NONE TEMP............37 43 48 51 RH..............72 62 49 48 EYE LEVEL WIND..N 8G15 NE 10G25 NE 10G25 N 9G20 MIX HGT (FT)....700 2300 4400 5100 MIXNG WIND......NE 15 NE 21 NE 22 N 18 HAINES INDEX....4 3 4 4 $$ FORECASTER...ALBRECHT REQUESTED BY...DAVID KUTZ TYPE OF REQUEST...PRESCRIBED .TAG 20090409.HORNE.01/DMX