FNUS73 KDMX 121314 FWSDMX SPOT FORECAST FOR DICKCISSEL SOUTH...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 814 AM CDT TUE MAY 12 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 12. 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... SKIES WILL BECOME MOSTLY CLOUDY LATER THIS MORNING WITH INCREASING SOUTH WINDS AHEAD OF AN APPROACHING PLAINS FRONTAL SYSTEM. GUSTS MAY ECLIPSE 40 MPH LATER THIS AFTERNOON. MINIMUM AFTERNOON RELATIVE HUMIDITY LEVELS MAY NOT FALL AS MUCH AS TYPICALLY OCCURS DUE TO THE CLOUDS AND INCREASING MOISTURE. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 68. MIN HUMIDITY........47 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 13 TO 22 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL INCREASING TO 6100 FT AGL. MIXING WINDS........SOUTH 12 TO 18 MPH INCREASING TO 38 TO 45 MPH. SMOKE DISPERSAL.....GOOD (58800 KNOT-FT) INCREASING TO EXCELLENT (213800 KNOT-FT). TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........61 66 71 76 78 79 81 84 86 88 WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW TEMP............59 61 62 64 65 66 67 67 67 67 RH..............57 53 54 50 50 48 47 47 49 49 EYE LVL WND DIR.S S S S S S S S S S EYE LVL WND SPD.14 14 16 17 18 18 18 18 18 18 EYE LVL WND GST.30 30 35 35 35 35 35 35 35 35 MIX HGT (KFT)...2.5 3.3 4.1 5.0 5.8 5.9 6.0 6.1 5.6 5.1 MIXNG WIND DIR..S S S S S S S S S S MIXNG WIND SPD..28 35 36 35 33 36 38 40 44 45 HAINES INDEX....4 4 4 4 4 4 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........80 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 13 TO 22 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4600 FT AGL DECREASING TO 2500 FT AGL LATE IN THE EVENING. MIXING WINDS........SOUTH 40 TO 45 MPH DECREASING TO 20 TO 21 MPH. SMOKE DISPERSAL.....EXCELLENT (179000 KNOT-FT) DECREASING TO EXCELLENT (70500 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........89 80 78 77 81 86 WEATHER COV.....S CHC S CHC S CHC LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............66 63 62 60 59 58 RH..............50 58 62 69 75 77 EYE LEVEL WIND..S 18 S 17 S 16 S 14 S 14 S 11 EYE LEVEL WIND..35 35 35 30 30 25 MIX HGT (FT)....4600 3500 2700 2200 1900 1700 MIXNG WIND......S 45 S 33 S 28 S 31 S 24 S 20 HAINES INDEX....3 2 2 2 2 2 .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY IN THE MORNING. MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........43 PERCENT. EYE LEVEL WINDS.....WEST WINDS 13 TO 21 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3400 FT AGL INCREASING TO 5700 FT AGL IN THE AFTERNOON. MIXING WINDS........WEST 15 TO 22 MPH INCREASING TO AROUND 28 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (62700 KNOT-FT) INCREASING TO EXCELLENT (135900 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........90 80 70 60 WEATHER COV.....LIKELY LIKELY S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............58 64 67 68 RH..............80 63 54 45 EYE LEVEL WIND..S 10G25 SW 12G25 W 14G30 W 16G35 MIX HGT (FT)....1500 1800 3400 5300 MIXNG WIND......S 20 S 17 W 15 W 17 HAINES INDEX....2 2 3 3 $$ FORECASTER...SMALL REQUESTED BY...RICHARD R JOHNSON TYPE OF REQUEST...PRESCRIBED .TAG 20090512.DICKC.01/DMX