FNUS73 KDMX 131301 FWSDMX SPOT FORECAST FOR BENSON...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 801 AM CDT WED APR 13 2011 FORECAST IS BASED ON IGNITION TIME OF 0930 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... INCREASING CLOUDINESS IS EXPECTED THROUGHOUT THE DAY TODAY AS A COLD FRONT WILL DROP SOUTH ACROSS THE STATE. LOOK FOR WINDS TO REMAIN NORTH TO NORTHEAST AND INCREASE DURING THE AFTERNOON HOURS. SCATTERED LIGHT SHOWERS ARE POSSIBLE THIS AFTERNOON BEHIND THE COLD FRONT. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. TEMPERATURE.........53 AT IGNITION...MAX 61. RH..................68 PERCENT AT IGNITION...MIN 47 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 4200 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTHWEST 5 TO 7 MPH SHIFTING TO THE NORTH 9 TO 16 MPH EARLY IN THE MORNING...THEN INCREASING TO NORTHEAST 21 TO 24 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....FAIR (47800 KNOT-FT) INCREASING TO GOOD (80000 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........WINDS NORTH AT 9 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING NORTHEAST 7 TO 16 MPH EARLY IN THE MORNING...THEN INCREASING TO AROUND 17 MPH LATE IN THE AFTERNOON. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........73 76 79 81 83 84 86 88 90 92 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TEMP............51 53 55 57 59 60 61 61 61 60 RH..............68 64 61 57 55 51 49 48 48 47 20 FT WIND DIR..N N N N N N N NE NE NE 20 FT WIND SPD..7 9 10 10 12 13 15 16 17 17 20 FT WIND GUST. 10 15 15 15 15 20 25 25 25 MIX HGT (KFT)...0.7 0.9 1.8 2.7 3.6 3.8 4.0 4.2 4.0 3.8 MIXNG WIND DIR..NW N N NE NE NE NE NE NE NE MIXNG WIND SPD..9 13 16 21 23 23 23 22 23 24 HAINES INDEX....4 4 4 4 4 4 4 4 4 3 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY. TEMPERATURE.........MIN 40. RH..................MAX 89 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3600 FT AGL DECREASING TO 1600 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........EAST 16 TO 25 MPH. SMOKE DISPERSAL.....GOOD (78800 KNOT-FT) DECREASING TO POOR (9000 KNOT-FT) AFTER MIDNIGHT. WIND (20 FT)........NORTHEAST WINDS 17 TO 18 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........93 95 97 98 99 99 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............58 53 49 47 45 43 RH..............51 59 68 74 79 86 20 FT WIND......NE 17 NE 17 NE 17 NE 17 NE 17 NE 18 20 FT WIND GUST.25 25 25 25 25 25 MIX HGT (FT)....3600 2600 1600 600 400 400 MIXNG WIND......N 25 NE 24 NE 21 NE 16 NE 16 E 17 HAINES INDEX....3 3 3 3 3 3 $$ FORECASTER...PODRAZIK REQUESTED BY...ALEX FOSADO TYPE OF REQUEST...PRESCRIBED .TAG 20110413.BENSO.01/DMX