FNUS73 KDMX 151310 FWSDMX SPOT FORECAST FOR RINGGOLD S PBG...IOWA STATE UNIVERSITY NATIONAL WEATHER SERVICE DES MOINES IA 810 AM CDT THU MAR 15 2012 FORECAST IS BASED ON IGNITION TIME OF 0930 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... LOW OVERCAST SKIES WILL GRADUALLY LIFT AND BECOME PARTLY SUNNY BY LATE MORNING OR EARLY AFTERNOON. UNSEASONABLY 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.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. TEMPERATURE.........67 AT IGNITION...MAX 80. RH..................84 PERCENT AT IGNITION...MIN 52 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 9 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 6300 FT AGL. MIXING WINDS........SOUTHWEST 7 TO 16 MPH. SMOKE DISPERSAL.....EXCELLENT (72100 KNOT-FT) INCREASING TO EXCELLENT (82300 KNOT-FT) LATE IN THE AFTERNOON. WIND (20 FT)........WINDS SOUTHWEST AT 6 MPH AT IGNITION...OTHERWISE SOUTH WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........94 85 76 67 63 62 60 58 56 54 WEATHER COV..... SCH SCH SCH SCH SCH WEATHER TYPE.... RW RW RW RW RW TSTM COV........ SCH SCH SCH SCH SCH TEMP............64 67 70 72 75 76 78 79 78 77 RH..............84 78 71 66 60 58 54 52 54 54 20 FT WIND DIR..SW SW SW SW SW SW S S S S 20 FT WIND SPD..5 6 7 7 8 9 9 9 9 8 20 FT WIND GUST. 10 10 10 10 10 10 EYE LVL WND DIR.SW SW SW SW SW SW S S S S EYE LVL WND SPD.4 4 5 5 6 6 6 6 6 6 EYE LVL WND GST. 10 10 10 10 10 10 MIX HGT (KFT)...1.2 1.5 2.8 4.1 5.5 5.8 6.0 6.3 5.8 5.3 MIXNG WIND DIR..SW SW SW S S S S S SW SW MIXNG WIND SPD..7 7 8 9 10 12 14 15 16 16 HAINES INDEX....4 4 4 3 3 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. TEMPERATURE.........MIN 59. RH..................MAX 90 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 8 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4800 FT AGL DECREASING TO 2100 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 8 TO 16 MPH. SMOKE DISPERSAL.....EXCELLENT (62500 KNOT-FT) DECREASING TO POOR (8000 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........SOUTH WINDS 7 TO 8 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 (%).........53 51 50 48 55 59 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 71 68 66 64 62 RH..............58 66 73 75 81 87 20 FT WIND......S 8 S 8 S 8 S 7 S 7 S 7 20 FT WIND GUST.10 10 10 EYE LEVEL WIND..S 6 S 6 S 6 S 5 S 5 S 5 EYE LVL WND GST.10 10 10 MIX HGT (FT)....4800 2100 700 600 500 600 MIXNG WIND......SW 15 S 10 S 12 S 16 SW 15 S 12 HAINES INDEX....3 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). TEMPERATURE.........MAX 79. RH..................MIN 56 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 8 TO 17 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 4000 FT AGL LATE IN THE MORNING...THEN INCREASING TO 6400 FT AGL EARLY IN THE AFTERNOON DECREASING TO 4400 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 7 TO 14 MPH INCREASING TO 17 TO 24 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....POOR (9500 KNOT-FT) INCREASING TO EXCELLENT (121000 KNOT-FT). WIND (20 FT)........SOUTH WINDS 8 TO 17 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........62 52 42 45 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............62 67 74 78 RH..............84 73 62 56 20 FT WIND......S 8G10 S 9G10 S 13G15 S 17G25 EYE LEVEL WIND..S 6G10 S 6G10 S 9G15 S 12G25 MIX HGT (FT)....700 1500 5300 6400 MIXNG WIND......S 7 S 12 S 20 S 22 HAINES INDEX....3 3 3 3 $$ FORECASTER...SKOW REQUESTED BY...RYAN HARR TYPE OF REQUEST...PRESCRIBED .TAG 20120315.RINGG.01/DMX