FNUS73 KDMX 131526 FWSDMX SPOT FORECAST FOR RINGGOLD...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 1026 AM CDT WED APR 13 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 13. 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... A FRONTAL BOUNDARY ACROSS THE NORTHEAST THIRD OF IOWA...FROM SOUTHWEST TO NORTHEAST...WILL SLOWLY CROSS THE STATE TODAY REACHING FAR SOUTHEAST IOWA BY EARLY THIS EVENING. THIS WILL SHIFT WINDS FROM SOUTHEAST TO NORTHEAST...DROPPING TEMPERATURES AND GRADUALLY INCREASE THE CHANCES FOR RAIN OVER THE NORTHEAST HALF OF IOWA. ALSO...PLEASE ALLOW SEVERAL HOURS OF LEAD TIME FOR PRESCRIBED BURN FORECASTS. 30 MINUTES IS INSUFFICENT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........41 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1200 FT AGL INCREASING TO 4000 FT AGL LATE IN THE MORNING...THEN INCREASING TO 6200 FT AGL IN THE AFTERNOON DECREASING TO 3100 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 6 TO 12 MPH. SMOKE DISPERSAL.....FAIR (49800 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 7 TO 9 MPH. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........36 32 30 33 38 43 48 54 WEATHER COV..... WEATHER TYPE.... TEMP............63 66 69 70 70 71 70 68 RH..............48 45 42 41 42 41 42 45 20 FT WIND DIR..SE SE SE SE SE SE SE E 20 FT WIND SPD..8 9 9 9 8 8 8 8 20 FT WIND GUST.10 10 10 10 10 10 10 10 MIX HGT (KFT)...2.6 4.0 5.4 5.7 6.0 6.2 4.7 3.1 MIXNG WIND DIR..SE E E E E E E E MIXNG WIND SPD..7 6 6 7 8 9 10 12 HAINES INDEX....5 5 5 5 5 5 5 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS LIKELY AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 49. MAX HUMIDITY........89 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL. MIXING WINDS........EAST 9 TO 14 MPH. SMOKE DISPERSAL.....POOR (16600 KNOT-FT). WIND (20 FT)........EAST WINDS 8 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........56 64 74 82 86 92 WEATHER COV..... LIKELY LIKELY LIKELY WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............67 63 59 57 54 52 RH..............47 54 62 67 74 83 20 FT WIND......E 8 E 8 E 8 E 8 E 8 E 9 20 FT WIND GUST.10 10 10 10 10 10 MIX HGT (FT)....1500 700 400 700 700 700 MIXNG WIND......E 13 E 10 NE 9 NE 10 NE 12 E 13 HAINES INDEX....4 4 4 3 2 2 .THURSDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY. MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........54 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 6100 FT AGL. MIXING WINDS........EAST 15 TO 24 MPH INCREASING TO AROUND 38 MPH. SMOKE DISPERSAL.....GOOD (66200 KNOT-FT) INCREASING TO EXCELLENT (182400 KNOT-FT). WIND (20 FT)........EAST WINDS 10 TO 18 MPH INCREASING TO 20 TO 22 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........97 89 81 88 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............51 59 65 68 RH..............89 72 63 54 20 FT WIND......E 10G15 E 14G20 E 18G25 E 21G30 MIX HGT (FT)....700 2200 4300 6100 MIXNG WIND......E 15 E 17 E 24 E 35 HAINES INDEX....2 3 3 3 $$ FORECASTER...SMALL REQUESTED BY...NATURAL RESOURCE TECH 2 TYPE OF REQUEST...PRESCRIBED .TAG 20110413.RINGG.01/DMX