FNUS73 KDMX 091320 FWSDMX SPOT FORECAST FOR KOCH-RATHBUN WMU...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 820 AM CDT THU APR 9 2009 FORECAST IS BASED ON IGNITION TIME OF 1335 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 (85-95 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 53. MIN HUMIDITY........48 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........EAST 7 TO 16 MPH SHIFTING TO THE NORTHEAST 12 TO 21 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (64500 KNOT-FT). TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........83 84 85 86 87 88 WEATHER COV.....CHC CHC CHC CHC CHC CHC WEATHER TYPE....RW RW RW RW RW RW TEMP............49 50 51 52 52 51 RH..............52 50 48 48 48 50 EYE LVL WND DIR.E E E NE NE NE EYE LVL WND SPD.9 9 9 9 9 9 EYE LVL WND GST.20 20 20 20 20 20 MIX HGT (KFT)...2.9 3.4 3.9 4.4 4.3 4.3 MIXNG WIND DIR..E E E NE NE NE MIXNG WIND SPD..17 15 13 12 14 17 HAINES INDEX....5 5 4 4 4 4 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY IN THE EVENING...THEN RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 36. MAX HUMIDITY........76 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 10 TO 14 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4200 FT AGL DECREASING TO 2100 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHEAST 15 TO 23 MPH. SMOKE DISPERSAL.....EXCELLENT (74800 KNOT-FT) DECREASING TO FAIR (17500 KNOT-FT) EARLY IN THE MORNING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........88 92 96 100 97 94 WEATHER COV.....LIKELY LIKELY LIKELY DEFNTE DEFNTE DEFNTE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............50 46 43 41 40 38 RH..............52 58 65 70 70 76 EYE LEVEL WIND..NE 8 NE 8 NE 10 NE 11 NE 11 NE 10 EYE LEVEL WIND..15 15 20 25 25 20 MIX HGT (FT)....4200 2100 1200 1400 1200 1100 MIXNG WIND......NE 21 NE 22 NE 23 NE 23 NE 21 NE 16 HAINES INDEX....4 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING MOSTLY SUNNY (35-45 PERCENT). CHANCE OF RAIN IN THE MORNING. MAX TEMPERATURE.....AROUND 52. MIN HUMIDITY........48 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 8 TO 14 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300 FT AGL INCREASING TO 5000 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO 5100 FT AGL LATE IN THE AFTERNOON DECREASING TO 2300 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTH 15 TO 24 MPH. SMOKE DISPERSAL.....EXCELLENT (80700 KNOT-FT) INCREASING TO EXCELLENT (96900 KNOT-FT) EARLY IN THE AFTERNOON...THEN DECREASING TO EXCELLENT (87000 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........91 70 48 39 WEATHER COV.....CHANCE CHANCE WEATHER TYPE....RAIN RAIN NONE NONE TEMP............38 43 49 51 RH..............73 65 50 48 EYE LEVEL WIND..N 8G15 NE 10G25 N 11G25 N 9G20 MIX HGT (FT)....1100 2300 4600 5100 MIXNG WIND......NE 15 NE 22 NE 24 N 20 HAINES INDEX....3 4 4 4 $$ FORECASTER...ALBRECHT REQUESTED BY...DAVID KUTZ TYPE OF REQUEST...PRESCRIBED .TAG 20090409.KOCHR.01/DMX