FNUS73 KDMX 302223 FWSDMX SPOT FORECAST FOR CITY OF AMES...CITY OF AMES/PARKS AND RECREATION NATIONAL WEATHER SERVICE DES MOINES IA 523 PM CDT WED MAR 30 2011 FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MARCH 31. 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 TONIGHT WILL MOVE THE EAST TONIGHT WITH AS LOW PRESSURE APPROACHES ON THURSDAY. AN AREA OF RAIN WILL REACH WESTERN IOWA BY LATE TONIGHT AND SPREAD OVER THE AREA AROUND MID DAY ON THURSDAY. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). MIN TEMPERATURE.....AROUND 27. MAX HUMIDITY........88 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH AFTER MIDNIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5800 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........SOUTH 2 TO 5 MPH. SMOKE DISPERSAL.....POOR (11500 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........38 48 59 82 87 89 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............45 39 36 34 32 30 RH..............29 50 64 72 78 85 20 FT WIND......S 2 S 2 S 2 S 3 S 4 S 4 20 FT WIND GUST.5 5 5 5 5 5 EYE LEVEL WIND..S 2 S 2 S 2 S 3 S 4 S 4 EYE LEVEL WIND..5 5 5 5 5 5 MIX HGT (FT)....5800 2300 500 300 300 300 MIXNG WIND......SW 2 SW 3 SW 3 SW 5 S 5 S 5 HAINES INDEX....4 4 4 4 4 4 .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 47. MIN HUMIDITY........65 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 9 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 4300 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO 16 TO 22 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....GOOD (69500 KNOT-FT) INCREASING TO GOOD (78200 KNOT-FT) LATE IN THE AFTERNOON. WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........70 69 76 82 88 95 98 98 98 98 98 98 WEATHER COV..... LKY LKY LKY LKY LKY LKY WEATHER TYPE.... RN RN RN RN RN RN TEMP............29 30 33 36 38 41 43 44 45 46 46 46 RH..............88 88 82 79 76 70 67 68 65 65 68 68 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..5 5 5 6 6 6 7 6 6 6 6 5 20 FT WIND GUST. 10 10 10 10 15 15 15 15 10 10 10 EYE LVL WND DIR.S S S S S S S S S S S S EYE LVL WND SPD.5 5 5 6 6 6 7 6 6 6 6 5 EYE LVL WND GST. 10 10 10 10 15 15 15 15 10 10 10 MIX HGT (KFT)...0.3 0.4 0.6 0.8 1.7 2.7 3.6 3.9 4.1 4.3 4.0 3.7 MIXNG WIND DIR..S S S S S S S S S S S S MIXNG WIND SPD..6 8 13 15 16 16 16 17 20 21 22 21 HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3 $$ FORECASTER...SCHUMACHER REQUESTED BY...JOSHUA THOMPSON TYPE OF REQUEST...PRESCRIBED .TAG 20110331.CITYO.01/DMX