FNUS73 KDMX 120938 FWSDMX SPOT FORECAST FOR LAKE RED ROCK...U.S. ARMY CORPS OF ENGINEERS NATIONAL WEATHER SERVICE DES MOINES IA 438 AM CDT THU APR 12 2012 FORECAST IS BASED ON IGNITION TIME OF 0930 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 (60-70 PERCENT). PATCHY FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........36 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 14 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 4000 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTH 5 TO 14 MPH. SMOKE DISPERSAL.....POOR TO GOOD (1000-48200 KNOT-FT). WIND (20 FT)........SOUTH WINDS 6 TO 14 MPH. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........12 18 24 30 34 38 46 55 63 72 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............42 46 50 53 56 58 60 61 61 61 RH..............48 45 41 39 38 37 36 36 36 38 20 FT WIND DIR..S S S S S S S S S S 20 FT WIND SPD..8 8 9 10 12 13 14 14 13 10 20 FT WIND GUST.10 10 10 15 15 15 20 20 15 15 EYE LVL WND DIR.S S S S S S S S S S EYE LVL WND SPD.6 6 6 7 9 9 10 10 9 7 EYE LVL WND GST.10 10 10 15 15 15 20 20 15 15 MIX HGT (KFT)...1.7 2.5 2.9 3.3 3.7 3.8 3.9 4.0 3.6 3.2 MIXNG WIND DIR..S S S S S S S S S S MIXNG WIND SPD..8 10 12 13 13 13 14 14 14 14 HAINES INDEX....4 4 4 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 10 TO 17 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL DECREASING TO 400 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTHEAST 10 TO 18 MPH INCREASING TO AROUND 22 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (2200-32700 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 10 TO 17 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........76 82 90 96 97 99 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............60 56 54 52 51 50 RH..............41 49 54 66 71 77 20 FT WIND......SE 10 SE 13 SE 14 SE 15 SE 16 SE 16 20 FT WIND GUST.15 15 20 20 20 25 EYE LEVEL WIND..SE 7 SE 9 SE 10 SE 11 SE 11 SE 11 EYE LVL WND GST.15 15 20 20 20 25 MIX HGT (FT)....2700 1100 300 300 300 300 MIXNG WIND......S 14 SE 12 SE 10 SE 12 SE 14 SE 18 HAINES INDEX....3 3 3 3 3 3 $$ FORECASTER...SCHUMACHER REQUESTED BY...HUGH HOWE TYPE OF REQUEST...PRESCRIBED .TAG 20120412.LAKER.01/DMX