FNUS73 KDMX 120936 FWSDMX SPOT FORECAST FOR PILOT KNOB-JOHNSON...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 436 AM CDT THU APR 12 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 12. 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... HIGH PRESSURE OVER EASTERN IOWA WILL MOVE EAST TODAY WITH AN INCREASING SOUTH-SOUTHEAST FLOW DEVELOPING. SHOWERS WILL DEVELOP TO THE WEST THIS MORNING. ISOLATED SHOWERS MAY SPREAD INTO THE AREA THIS AFTERNOON...WITH WIDESPREAD RAIN TONIGHT INTO FRIDAY. .TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY SUNNY (55-65 PERCENT). AREAS OF FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 60. MIN HUMIDITY........30 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 15 MPH INCREASING TO 15 TO 17 MPH EARLY IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 4000 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 5 TO 14 MPH INCREASING TO AROUND 15 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (1000-48200 KNOT-FT). WIND (20 FT)........SOUTH WINDS 6 TO 15 MPH INCREASING TO 15 TO 17 MPH EARLY IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........12 15 19 21 26 36 45 55 65 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............42 47 50 53 55 58 59 59 58 RH..............43 38 36 35 34 30 30 32 33 20 FT WIND DIR..S S S S S S S S S 20 FT WIND SPD..9 10 12 13 15 16 17 16 15 20 FT WIND GUST.10 15 15 15 20 25 25 25 20 EYE LVL WND DIR.S S S S S S S S S EYE LVL WND SPD.6 7 9 9 11 11 12 11 11 EYE LVL WND GST.10 15 15 15 20 25 25 25 20 MIX HGT (KFT)...1.3 1.9 2.5 3.1 3.4 3.7 4.0 3.8 3.6 MIXNG WIND DIR..S S S S S S S S S MIXNG WIND SPD..9 10 12 13 13 14 14 15 15 HAINES INDEX....4 4 4 4 4 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. ISOLATED THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 46. MAX HUMIDITY........77 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 14 TO 20 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3400 FT AGL DECREASING TO 1300 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHEAST 16 TO 23 MPH. SMOKE DISPERSAL.....POOR TO GOOD (4000-48100 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 14 TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........70 78 88 96 97 99 WEATHER COV.....S CHC S CHC S CHC LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD TEMP............58 54 52 50 49 48 RH..............34 45 52 61 71 77 20 FT WIND......SE 14 SE 15 SE 16 SE 17 SE 18 SE 18 20 FT WIND GUST.20 20 20 25 25 25 EYE LEVEL WIND..SE 10 SE 11 SE 11 SE 12 SE 13 SE 13 EYE LVL WND GST.20 20 20 25 25 25 MIX HGT (FT)....3400 1300 300 300 400 700 MIXNG WIND......S 16 SE 17 SE 20 SE 21 SE 20 SE 21 HAINES INDEX....3 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 59. MIN HUMIDITY........69 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 14 TO 20 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2600 FT AGL. MIXING WINDS........SOUTH 23 TO 30 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (25200-66700 KNOT-FT). WIND (20 FT)........SOUTH WINDS 14 TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........100 98 97 89 WEATHER COV.....LIKELY LIKELY CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ISOLTD ISOLTD CHANCE CHANCE TEMP............47 52 56 58 RH..............76 77 72 72 20 FT WIND......SE 20G30 S 18G25 S 18G25 S 15G20 EYE LEVEL WIND..SE 14G30 S 13G25 S 13G25 S 11G20 MIX HGT (FT)....1100 2600 2600 2600 MIXNG WIND......SE 25 S 30 S 25 S 23 HAINES INDEX....3 3 2 3 $$ FORECASTER...SCHUMACHER REQUESTED BY...TODD WALROD TYPE OF REQUEST...PRESCRIBED .TAG 20120412.PILOT.01/DMX