FNUS73 KDMX 012157 FWSDMX SPOT FORECAST FOR RATHBUN LAKE...US ARMY COE-RATHBUN NATIONAL WEATHER SERVICE DES MOINES IA 357 PM CST WED FEB 1 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON FEBRUARY 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... HIGH PRESSURE OVER IOWA THIS AFTERNOON WILL GRADUALLY SHIFT EASTWARD TOWARDS THE MISSISSIPPI RIVER VALLEY TOMORROW MORNING. SKIES WILL BE MOSTLY SUNNY OVER IOWA TOMORROW WITH LIGHT WINDS BECOMING EAST BY THE AFTERNOON. AN INVERSION WILL BE IN PLACE ACROSS SOUTHERN IOWA DURING THE MORNING AND WILL BE DISSIPATING SHORTLY AFTER 10 AM. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). RH..................MAX 89 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........34 35 35 25 23 25 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ RH..............68 76 79 82 85 89 EYE LEVEL WIND..W 1 SW 2 S 2 S 2 SW 2 SW 1 EYE LVL WND GST. 5 5 5 5 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). TEMPERATURE.........42 AT IGNITION...MAX 58. RH..................65 PERCENT AT IGNITION...MIN 42 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 5 TO 6 MPH LATE IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 4100 FT AGL EARLY IN THE AFTERNOON...THEN DECREASING TO 1600 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 1 TO 6 MPH. SMOKE DISPERSAL.....POOR (16300 KNOT-FT). WIND (20 FT)........WINDS NORTH AT 1 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING EAST 5 TO 6 MPH LATE IN THE AFTERNOON. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........26 27 28 29 30 31 32 33 35 38 40 42 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............33 32 35 38 42 46 50 53 55 57 55 53 RH..............78 85 78 73 65 58 52 46 45 42 45 48 20 FT WIND DIR..W W W NW N NE E E E E E E 20 FT WIND SPD..2 2 1 1 1 2 2 3 3 5 5 6 20 FT WIND GUST. 5 5 EYE LVL WND DIR.W W W NW N NE E E E E E E EYE LVL WND SPD.1 1 1 1 1 1 1 2 2 4 4 4 EYE LVL WND GST. 5 5 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.5 0.8 1.0 2.1 3.1 4.1 2.8 1.6 MIXNG WIND DIR..NW NW NW N N NE E E E E E E MIXNG WIND SPD..3 2 2 1 1 1 2 3 3 5 6 6 HAINES INDEX....5 5 5 5 5 5 5 5 4 4 4 4 $$ FORECASTER...SKOW REQUESTED BY...JOHN PASA TYPE OF REQUEST...PRESCRIBED .TAG 20120202.RATHB.01/DMX