FNUS73 KDMX 121219 FWSDMX SPOT FORECAST FOR STRUM BC...IOWA STATE UNIVERSITY NATIONAL WEATHER SERVICE DES MOINES IA 719 AM CDT THU APR 12 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 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.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). PATCHY FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........33 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 15 MPH INCREASING TO 14 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. SMOKE DISPERSAL.....POOR TO GOOD (1000-50200 KNOT-FT). WIND (20 FT)........SOUTH WINDS 7 TO 15 MPH INCREASING TO 14 TO 17 MPH EARLY IN THE AFTERNOON. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........44 49 52 57 63 69 74 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............52 56 58 60 61 61 61 RH..............38 35 34 33 33 33 34 20 FT WIND DIR..S S S S S S S 20 FT WIND SPD..13 14 15 17 17 16 14 20 FT WIND GUST.15 20 20 25 25 25 20 EYE LVL WND DIR.S S S S S S S EYE LVL WND SPD.9 10 11 12 12 11 10 EYE LVL WND GST.15 20 20 25 25 25 20 MIX HGT (KFT)...2.7 3.5 3.7 3.8 4.0 3.8 3.6 MIXNG WIND DIR..S S S S S S S MIXNG WIND SPD..13 14 14 14 14 14 14 HAINES INDEX....4 4 4 4 4 4 3 .TONIGHT... SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS IN THE EVENING. ISOLATED THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 48. MAX HUMIDITY........77 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 13 TO 18 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500 FT AGL DECREASING TO 1300 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHEAST 14 TO 22 MPH. SMOKE DISPERSAL.....POOR TO GOOD (3000-49500 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 13 TO 18 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........77 84 93 100 100 100 WEATHER COV.....CHANCE CHANCE CHANCE LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD TEMP............61 57 54 53 51 50 RH..............36 45 53 62 71 77 20 FT WIND......SE 13 SE 14 SE 15 SE 16 SE 17 SE 17 20 FT WIND GUST.15 20 20 25 25 25 EYE LEVEL WIND..SE 9 SE 10 SE 11 SE 11 SE 12 SE 12 EYE LVL WND GST.15 20 20 25 25 25 MIX HGT (FT)....3500 1300 300 300 500 800 MIXNG WIND......S 15 S 18 SE 17 SE 14 SE 20 SE 22 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 64. MIN HUMIDITY........66 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 14 TO 18 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2800 FT AGL. MIXING WINDS........SOUTH 20 TO 28 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (21700-61900 KNOT-FT). WIND (20 FT)........SOUTH WINDS 14 TO 18 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........100 97 94 88 WEATHER COV.....LIKELY LIKELY CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ISOLTD ISOLTD CHANCE CHANCE TEMP............49 56 61 63 RH..............77 73 66 69 20 FT WIND......SE 18G25 S 17G25 S 17G25 S 15G20 EYE LEVEL WIND..SE 13G25 S 12G25 S 12G25 S 11G20 MIX HGT (FT)....1100 2300 2800 2800 MIXNG WIND......SE 22 S 28 S 24 S 22 HAINES INDEX....3 3 3 3 $$ FORECASTER...SCHUMACHER REQUESTED BY...RYAN HARR TYPE OF REQUEST...PRESCRIBED .TAG 20120412.STRUM.01/DMX