FNUS73 KDMX 151204 FWSDMX SPOT FORECAST FOR RANGE S16...CAMP DODGE NATIONAL WEATHER SERVICE DES MOINES IA 704 AM CDT THU MAR 15 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED... PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... AFTER PATCHY MORNING CLOUDS LIFT...UNSEASONALLY HIGH LEVELS OF WARMTH AND HUMIDITY ARE AGAIN EXPECTED ACROSS CENTRAL AND SOUTHERN IOWA. RECORD HIGH TEMPERATURES MAY BE REACHED. MIXING WILL BECOME FAIRLY DEEP BY AFTERNOON...BUT WITH WINDS NOT AS STRONG AS YESTERDAY. THERE WILL ALSO BE SLIGHT CHANCES FOR SHOWER AND THUNDERSTORM DEVELOPMENT DURING PEAK HEATING OF THE AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........45 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 5700 FT AGL. MIXING WINDS........NORTHEAST 1 TO 3 MPH SHIFTING TO THE SOUTH 1 TO 10 MPH LATE IN THE MORNING...THEN SHIFTING TO THE SOUTHWEST 13 TO 14 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (42400 KNOT-FT) INCREASING TO EXCELLENT (68200 KNOT-FT) LATE IN THE AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........26 32 38 41 41 40 39 38 37 WEATHER COV..... SCH SCH SCH SCH SCH WEATHER TYPE.... RW RW RW RW RW TSTM COV........ SCH SCH SCH SCH SCH TEMP............58 63 67 71 74 76 79 78 77 RH..............69 62 56 53 50 48 45 47 48 20 FT WIND DIR..N NE SE S S S S S S 20 FT WIND SPD..2 2 3 5 6 7 8 7 6 20 FT WIND GUST. 5 10 EYE LVL WND DIR.N NE SE S S S S S S EYE LVL WND SPD.1 1 2 4 4 5 6 5 4 EYE LVL WND GST. 5 10 MIX HGT (KFT)...0.9 1.4 1.9 2.4 3.5 4.6 5.7 5.4 5.1 MIXNG WIND DIR..N NE E SE S S S S SW MIXNG WIND SPD..1 1 1 2 6 10 14 14 13 HAINES INDEX....6 6 5 5 5 4 4 4 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........90 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 7 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4800 FT AGL DECREASING TO 1800 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 6 TO 10 MPH. SMOKE DISPERSAL.....GOOD (43600 KNOT-FT). WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........36 42 43 43 49 52 WEATHER COV.....S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TSTM COV........S CHC S CHC S CHC TEMP............75 70 67 65 62 61 RH..............52 63 70 73 81 84 20 FT WIND......S 5 S 7 S 7 S 6 S 7 S 7 20 FT WIND GUST. EYE LEVEL WIND..S 4 S 5 S 5 S 4 S 5 S 5 EYE LVL WND GST. MIX HGT (FT)....4800 1800 300 300 300 300 MIXNG WIND......SW 10 SE 7 SE 6 S 7 S 7 S 7 HAINES INDEX....3 3 3 3 3 3 $$ FORECASTER...SMALL REQUESTED BY...ANDY ROBY TYPE OF REQUEST...PRESCRIBED .TAG 20120315.RANGE.01/DMX