FNUS73 KDMX 281204 FWSDMX SPOT FORECAST FOR HCC HEADQUARTERS...HARDIN COUNTY CONSERVATION NATIONAL WEATHER SERVICE DES MOINES IA 704 AM CDT WED MAR 28 2012 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON MARCH 28. 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 WILL BUILD INTO THE STATE TODAY WITH GENERALLY SUNNY SKIES AND WINDS MUCH LIGHTER THAN TUESDAY. STILL ANTICIPATE NORTHWEST SURFACE WINDS...GUSTY AT TIMES...BUT DIMINISHING INTO THE LATER PART OF THE AFTERNOON AS THE HIGH PRESSURE APPROACHES. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). TEMPERATURE.........56 AT IGNITION...MAX 66. RH..................59 PERCENT AT IGNITION...MIN 33 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 7 TO 15 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 5400 FT AGL. MIXING WINDS........NORTHWEST 8 TO 13 MPH INCREASING TO 17 TO 26 MPH BY MID MORNING...THEN DECREASING TO AROUND 14 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (5500 KNOT-FT) INCREASING TO EXCELLENT (95000 KNOT-FT). WIND (20 FT)........WINDS NORTHWEST AT 14 MPH AT IGNITION...OTHERWISE NORTHWEST WINDS 7 TO 15 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........14 14 14 14 13 13 12 12 11 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............53 56 59 62 64 65 66 65 64 RH..............59 51 45 39 37 34 33 35 37 20 FT WIND DIR..NW NW NW NW NW NW NW NW N 20 FT WIND SPD..13 14 14 14 14 15 14 12 9 20 FT WIND GUST.15 20 20 20 20 20 20 15 10 EYE LVL WND DIR.NW NW NW NW NW NW NW NW N EYE LVL WND SPD.9 10 10 10 10 11 10 9 6 EYE LVL WND GST.15 20 20 20 20 20 20 15 10 MIX HGT (KFT)...2.2 3.0 3.8 4.6 4.9 5.2 5.4 4.9 4.4 MIXNG WIND DIR..NW NW NW NW NW NW NW NW NW MIXNG WIND SPD..23 25 26 26 25 23 20 17 14 HAINES INDEX....3 3 4 4 4 4 4 4 4 $$ FORECASTER...COGIL REQUESTED BY...ROB ALLEN TYPE OF REQUEST...PRESCRIBED .TAG 20120328.HCCHE.01/DMX