FNUS73 KDMX 081329 FWSDMX SPOT FORECAST FOR THREE MILE...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 829 AM CDT WED APR 8 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 08. 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... NORTHWEST WINDS WILL INCREASE BY LATE MORNING TO 15 MPH WITH GUSTS TO 20 TO 25 MPH. HIGH RELATIVE HUMIDITY EARLY IN THE MORNING WILL DECREASE STEADILY THROUGH AFTERNOON. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........40 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 7 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 5000 FT AGL. MIXING WINDS........NORTHWEST 12 TO 20 MPH INCREASING TO 18 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (62300 KNOT-FT) INCREASING TO EXCELLENT (85100 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........18 21 22 22 22 22 22 22 WEATHER COV..... WEATHER TYPE.... TEMP............45 48 50 51 53 54 53 52 RH..............55 51 48 46 41 40 41 41 EYE LVL WND DIR.NW NW NW NW NW N N N EYE LVL WND SPD.10 10 10 10 10 10 9 8 EYE LVL WND GST.25 25 25 25 25 20 20 15 MIX HGT (KFT)...2.4 2.9 3.5 4.0 4.5 5.0 4.7 4.4 MIXNG WIND DIR..NW NW NW NW NW NW NW NW MIXNG WIND SPD..22 24 25 24 22 20 18 18 HAINES INDEX....4 4 4 4 4 4 4 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 30. MAX HUMIDITY........78 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 8 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING NORTHEAST 5 TO 6 MPH AFTER MIDNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4100 FT AGL DECREASING TO 1500 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHWEST 7 TO 16 MPH SHIFTING TO THE NORTHEAST 3 TO 7 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....GOOD (57800 KNOT-FT) DECREASING TO POOR (1600 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........22 24 26 28 33 41 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............51 44 41 38 35 34 RH..............42 55 62 67 72 75 EYE LEVEL WIND..N 6 N 4 N 3 NE 4 NE 5 NE 5 EYE LEVEL WIND..15 5 5 5 10 MIX HGT (FT)....4100 1500 300 300 300 300 MIXNG WIND......NW 16 N 7 N 3 N 6 NE 7 NE 6 HAINES INDEX....5 4 4 4 4 4 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 48. MIN HUMIDITY........55 PERCENT. EYE LEVEL WINDS.....EAST WINDS 7 TO 14 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 2500 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHEAST 7 TO 12 MPH INCREASING TO EAST 26 TO 28 MPH. SMOKE DISPERSAL.....GOOD (48100 KNOT-FT) INCREASING TO GOOD (58600 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........46 66 85 81 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE RNSHWR RNSHWR TEMP............33 38 44 47 RH..............78 73 62 58 EYE LEVEL WIND..NE 6G10 E 8G15 E 9G20 E 11G25 MIX HGT (FT)....400 1100 2500 2500 MIXNG WIND......NE 7 E 22 E 14 E 26 HAINES INDEX....4 4 4 5 $$ FORECASTER...JUNGBLUTH REQUESTED BY...NRT 1 TYPE OF REQUEST...PRESCRIBED .TAG 20090408.THREE.01/DMX