FNUS73 KDMX 261414 FWSDMX SPOT FORECAST FOR LOWER MORSE...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 914 AM CDT THU APR 26 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 26. 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... NORTH NORTHEAST WINDS WILL BE BRISK TODAY WITH MINIMUM RELATIVE HUMIDITY BETWEEN 35 AND 40 PERCENT. AS HIGH PRESSURE MOVES IN WINDS WILL BEGIN TO DIMINISH LATE IN THE DAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). TEMPERATURE.........60 AT IGNITION...MAX 64. RH..................47 PERCENT AT IGNITION...MIN 34 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 13 TO 17 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3600 FT AGL INCREASING TO 5300 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........NORTHEAST 16 TO 25 MPH DECREASING TO 13 TO 14 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD TO EXCELLENT (44400-84400 KNOT-FT). WIND (20 FT)........WINDS NORTH AT 17 MPH AT IGNITION...OTHERWISE NORTHEAST WINDS 13 TO 17 MPH. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........28 28 29 31 34 36 38 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............60 61 62 63 63 63 61 RH..............47 44 41 38 36 34 35 20 FT WIND DIR..N N NE NE NE NE NE 20 FT WIND SPD..17 16 15 14 13 13 13 20 FT WIND GUST.20 15 15 15 15 EYE LVL WND DIR.N N NE NE NE NE NE EYE LVL WND SPD.12 11 11 10 9 9 9 EYE LVL WND GST.20 15 15 15 15 MIX HGT (KFT)...4.3 4.7 4.9 5.1 5.3 5.1 5.0 MIXNG WIND DIR..N N N NE NE NE NE MIXNG WIND SPD..22 21 18 16 14 13 13 HAINES INDEX....3 3 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. TEMPERATURE.........MIN 41. RH..................MAX 67 PERCENT. EYE LEVEL WINDS.....EAST WINDS 12 TO 17 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4800 FT AGL DECREASING TO 400 FT AGL. MIXING WINDS........SOUTHEAST 13 TO 21 MPH INCREASING TO AROUND 23 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (7400-53100 KNOT-FT). WIND (20 FT)........EAST WINDS 12 TO 17 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........39 49 61 74 77 82 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TSTM COV........ TEMP............60 54 51 48 45 44 RH..............35 43 50 56 62 65 20 FT WIND......E 13 E 12 E 12 E 13 E 14 E 16 20 FT WIND GUST.15 15 15 15 20 25 EYE LEVEL WIND..E 9 E 9 E 9 E 9 E 10 E 11 EYE LVL WND GST.15 15 15 15 20 25 MIX HGT (FT)....4800 3600 2400 1400 900 500 MIXNG WIND......E 13 E 15 E 18 E 21 SE 20 SE 21 HAINES INDEX....3 4 4 4 4 4 .FRIDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS IN THE MORNING...THEN RAIN SHOWERS LIKELY IN THE AFTERNOON. TEMPERATURE.........MAX 48. RH..................MIN 60 PERCENT. EYE LEVEL WINDS.....EAST WINDS 18 TO 24 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 2600 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........EAST 25 TO 33 MPH. SMOKE DISPERSAL.....POOR TO GOOD (5500-42000 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (59000-76700 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........EAST WINDS 18 TO 24 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........87 89 90 93 WEATHER COV.....CHANCE CHANCE LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ ISOLTD ISOLTD TEMP............43 45 47 47 RH..............67 65 60 60 20 FT WIND......E 18G25 E 22G30 E 24G30 E 24G30 EYE LEVEL WIND..E 13G25 E 16G30 E 17G30 E 17G30 MIX HGT (FT)....300 2400 2600 2600 MIXNG WIND......SE 25 SE 30 SE 33 SE 32 HAINES INDEX....4 4 3 3 $$ FORECASTER...LEE REQUESTED BY...TODD WALROD TYPE OF REQUEST...PRESCRIBED .TAG 20120426.LOWER.01/DMX