FNUS73 KDMX 221237 FWSDMX SPOT FORECAST FOR RINGGOLD...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 737 AM CDT THU APR 22 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 22. 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 WILL SHIFT EASTWARD TODAY...ALLOWING LIGHT AND VARIABLE WINDS TO BECOME MORE SOUTHERLY BY THIS AFTERNOON AND INCREASE TO AROUND 10 TO 20 MPH. MEANWHILE A DEVELOPING LOW PRESSURE CENTER WILL MOVE TOWARD THE AREA...BRINGING INCREASING CHANCES FOR SHOWERS AND THUNDERSTORMS FROM LATE TODAY THROUGH TONIGHT AND INTO THE WEEKEND. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). AREAS OF FOG EARLY IN THE MORNING. TEMPERATURE.........57 AT IGNITION...MAX 69. MIN HUMIDITY........73 PERCENT AT IGNITION...MIN 57 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1400 FT AGL INCREASING TO 4800 FT AGL. MIXING WINDS........SOUTHEAST 5 TO 14 MPH SHIFTING TO THE SOUTH 14 TO 15 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (61800 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........52 55 58 59 62 69 73 77 85 WEATHER COV..... WEATHER TYPE.... TEMP............57 60 62 64 66 67 68 68 68 RH..............73 67 65 63 58 59 57 57 57 EYE LVL WND DIR.SE SE SE SE SE S S S S EYE LVL WND SPD.4 5 6 6 7 7 8 8 7 EYE LVL WND GST.5 10 10 15 15 15 15 15 15 MIX HGT (KFT)...1.4 2.4 3.5 4.6 4.7 4.7 4.8 4.4 4.0 MIXNG WIND DIR..SE SE SE SE SE S S S S MIXNG WIND SPD..8 9 10 12 13 14 15 15 14 HAINES INDEX....3 3 4 4 4 4 4 4 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. MIN TEMPERATURE.....56. MAX HUMIDITY........90 PERCENT. WIND (EYE LEVEL)....SOUTHEAST WINDS 9 TO 10 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3600 FT AGL DECREASING TO 1600 FT AGL LATE IN THE EVENING. MIXING WINDS........SOUTHEAST 13 TO 18 MPH. SMOKE DISPERSAL.....FAIR (43400 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........80 79 75 77 85 92 WEATHER COV.....CHANCE CHANCE CHANCE LIKELY LIKELY DEFNTE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............67 64 62 60 59 58 RH..............59 65 72 78 80 86 EYE LEVEL WIND..S 7 S 7 SE 7 SE 8 SE 8 SE 7 EYE LEVEL WIND..15 15 15 15 15 15 MIX HGT (FT)....3600 2500 1800 1400 1400 1300 MIXNG WIND......S 14 S 14 S 14 S 13 SE 15 SE 17 HAINES INDEX....3 3 3 2 2 2 .FRIDAY... SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF RAIN SHOWERS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....73. MIN HUMIDITY........61 PERCENT. WIND (EYE LEVEL)....SOUTHEAST WINDS 9 TO 12 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2900 FT AGL INCREASING TO 5000 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 21 TO 29 MPH INCREASING TO 31 TO 32 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (103600 KNOT-FT) INCREASING TO EXCELLENT (127700 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........90 95 100 99 WEATHER COV.....CHANCE CHANCE LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............57 64 70 72 RH..............90 75 63 61 EYE LEVEL WIND..SE 7G15 SE 9G20 SE 10G20 SE 9G20 MIX HGT (FT)....1100 1900 3400 5000 MIXNG WIND......SE 21 SE 28 SE 23 S 29 HAINES INDEX....2 2 3 3 $$ FORECASTER...LEE REQUESTED BY...NATURAL RESOURCE TECH TYPE OF REQUEST...PRESCRIBED .TAG 20100422.RINGG.01/DMX