FNUS73 KDMX 051054 FWSDMX SPOT FORECAST FOR LAKE RED ROCK...U.S. ARMY CORPS OF ENGINEERS NATIONAL WEATHER SERVICE DES MOINES IA 554 AM CDT THU APR 5 2012 FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 05. 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... A LOW PRESSURE SYSTEM SOUTH OF IOWA WILL CONITNUE TO MOVE TO THE EAST. SOME LIGHT SPRINKLES WILL BE POSSIBLE THIS MORNING ACROSS FAR SOUTHERN IOW UNTIL THE LOW SHIFTS FAR ENOUGH EAST. SURFACE WIND FLOW WILL BE OUT OF THE EAST AT 10 TO 20 MPH. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........28 PERCENT. EYE LEVEL WINDS.....EAST WINDS 10 TO 14 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 4500 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO 5700 FT AGL EARLY IN THE AFTERNOON DECREASING TO 2100 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 15 TO 21 MPH. SMOKE DISPERSAL.....POOR TO GOOD (4800-59000 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (32600-85600 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........EAST WINDS 10 TO 14 MPH. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........48 43 38 29 24 25 27 28 25 21 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............48 50 53 55 58 60 62 62 61 59 RH..............49 48 43 38 34 32 28 28 29 33 20 FT WIND DIR..E E E E E E E E E E 20 FT WIND SPD..13 14 14 14 14 14 14 13 12 10 20 FT WIND GUST.15 20 20 20 20 20 20 15 15 15 EYE LVL WND DIR.E E E E E E E E E E EYE LVL WND SPD.9 10 10 10 10 10 10 9 9 7 EYE LVL WND GST.15 20 20 20 20 20 20 15 15 15 MIX HGT (KFT)...1.5 2.1 2.7 3.3 4.0 4.5 5.1 5.7 3.9 2.1 MIXNG WIND DIR..E E E E E E E E E E MIXNG WIND SPD..20 21 21 21 20 18 18 17 17 18 HAINES INDEX....3 3 3 4 4 4 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 37. MAX HUMIDITY........73 PERCENT. EYE LEVEL WINDS.....EAST WINDS 7 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......600 FT AGL. MIXING WINDS........EAST 8 TO 17 MPH DECREASING TO 6 TO 7 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO POOR (1800-6700 KNOT-FT). WIND (20 FT)........EAST WINDS 7 TO 10 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........18 16 9 5 4 6 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............58 50 47 44 42 40 RH..............34 50 58 68 73 73 20 FT WIND......E 9 E 9 E 8 E 9 E 9 E 8 20 FT WIND GUST.10 10 10 10 15 10 EYE LEVEL WIND..E 6 E 6 E 6 E 6 E 6 E 6 EYE LVL WND GST.10 10 10 10 15 10 MIX HGT (FT)....300 300 300 500 500 500 MIXNG WIND......E 17 E 10 E 10 E 16 E 12 E 7 HAINES INDEX....3 3 3 4 4 4 $$ FORECASTER...BOKSA REQUESTED BY...HUGH HOWE TYPE OF REQUEST...PRESCRIBED .TAG 20120405.LAKER.01/DMX