FNUS73 KDMX 051427 FWSDMX SPOT FORECAST FOR KELLERTON NORTH...IOWA STATE UNIVERSITY NATIONAL WEATHER SERVICE DES MOINES IA 827 AM CST THU MAR 5 2009 FORECAST IS BASED ON IGNITION TIME OF 1600 CST ON MARCH 05. 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... AN AREA OF LOW PRESSURE IS LOCATED OFF TO THE NORTHWEST CENTERED NEAR SIOUX FALLS. SOUTH TO SOUTHWEST WINDS ARE EXPECTED AHEAD OF THIS LOW PRESSURE AREA...WITH THE BURN SITE NEAR THE AREA WHERE THE GRADIENT BEGINS TO SLACKEN. THEREFORE SUSTAINED WINDS WILL VARY SOMEWHAT AS THE SURFACE LOW AXIS MOVES THROUGH THE AREA THIS AFTERNOON AND EVENING. GUSTS ARE EXPECTED DUE TO MIXING THROUGHOUT THE DAY. WINDS WILL TURN NORTHERLY BY LATE THIS EVENING INTO THE EARLY MORNING HOURS ON FRIDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 68. MIN HUMIDITY........43 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 9 TO 12 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL. MIXING WINDS........SOUTH 12 TO 21 MPH. SMOKE DISPERSAL.....GOOD (38400 KNOT-FT). TIME (CST) 4PM 5PM SKY (%).........30 35 WEATHER COV..... WEATHER TYPE.... TEMP............65 64 RH..............45 48 EYE LVL WND DIR.S SW EYE LVL WND SPD.8 7 EYE LVL WND GST.15 15 MIX HGT (KFT)...1.1 0.4 MIXNG WIND DIR..S S MIXNG WIND SPD..17 12 HAINES INDEX....4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........79 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 6 TO 8 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........NORTH 2 TO 7 MPH. SMOKE DISPERSAL.....POOR (1500 KNOT-FT). TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........38 39 39 40 40 39 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............61 55 52 49 47 45 RH..............53 64 69 74 76 76 EYE LEVEL WIND..SW 6 SW 6 W 5 NW 5 NW 5 N 5 EYE LEVEL WIND..15 10 10 MIX HGT (FT)....300 300 300 300 300 300 MIXNG WIND......S 7 SW 3 W 3 NW 5 NW 6 N 7 HAINES INDEX....4 4 4 4 4 4 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........49 PERCENT. EYE LEVEL WINDS.....EAST WINDS 6 TO 7 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 3200 FT AGL IN THE AFTERNOON. MIXING WINDS........EAST 6 TO 7 MPH. SMOKE DISPERSAL.....FAIR (15800 KNOT-FT). TIME (CST) 6 AM 9 AM NOON 3 PM SKY (%).........39 42 45 54 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............44 47 56 60 RH..............76 71 53 49 EYE LEVEL WIND..N 5 NE 5 NE 5 E 5G10 MIX HGT (FT)....300 700 2500 3200 MIXNG WIND......N 6 NE 7 NE 6 SE 6 HAINES INDEX....4 4 4 5 $$ FORECASTER...ALBRECHT REQUESTED BY...RYAN HARR TYPE OF REQUEST...PRESCRIBED .TAG 20090305.KELLE.01/DMX