FNUS73 KDMX 021619 FWSDMX SPOT FORECAST FOR WHITE HORSE ACCESS...IDNR NATIONAL WEATHER SERVICE DES MOINES IA 1119 AM CDT MON APR 2 2012 FORECAST IS BASED ON IGNITION TIME OF 1400 CDT ON APRIL 02. 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... CONDITIONS SHOULD REMAIN DRY INTO THE EVENING WITH SOUTH TO SOUTHEAST SURFACE WINDS. A COLD FRONT WILL PASS THROUGH THE AREA TONIGHT WITH WINDS SHIFTING TO THE NORTHWEST LATE. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). TEMPERATURE.........80 AT IGNITION...MAX 85. RH..................52 PERCENT AT IGNITION...MIN 47 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 15 TO 20 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL INCREASING TO 4100 FT AGL BY EARLY AFTERNOON...THEN DECREASING TO 1500 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 18 TO 24 MPH. SMOKE DISPERSAL.....GOOD TO EXCELLENT (45000-82800 KNOT-FT). WIND (20 FT)........WINDS SOUTH AT 20 MPH AT IGNITION...OTHERWISE SOUTH WINDS 15 TO 20 MPH. TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........30 31 33 35 37 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............80 81 82 81 80 RH..............52 51 47 49 51 20 FT WIND DIR..S S S S S 20 FT WIND SPD..20 18 17 16 15 20 FT WIND GUST.30 25 25 25 20 EYE LVL WND DIR.S S S S S EYE LVL WND SPD.14 13 12 11 11 EYE LVL WND GST.30 25 25 25 20 MIX HGT (KFT)...3.8 3.9 4.1 2.8 1.5 MIXNG WIND DIR..S S S S S MIXNG WIND SPD..22 23 23 24 23 HAINES INDEX....4 3 3 3 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. TEMPERATURE.........MIN 50. RH..................MAX 86 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 7 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1100 FT AGL. MIXING WINDS........SOUTH 17 TO 22 MPH SHIFTING TO THE NORTHWEST 8 TO 17 MPH EARLY IN THE EVENING. SMOKE DISPERSAL.....POOR TO FAIR (1800-14800 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 7 TO 13 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........38 48 58 72 WEATHER COV.....S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........S CHC S CHC S CHC S CHC TEMP............78 66 61 56 RH..............54 73 78 86 20 FT WIND......S 13G15 SW 7 W 12G15 NW 12G15 EYE LEVEL WIND..S 9G15 SW 5 W 9G15 NW 9G15 MIX HGT (FT)....300 300 1100 300 MIXNG WIND......S 22 S 8 W 16 NW 14 HAINES INDEX....4 3 3 4 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). TEMPERATURE.........MAX 61. RH..................MIN 44 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 14 TO 16 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2800 FT AGL INCREASING TO 3600 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHEAST 18 TO 22 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (17300-69100 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 14 TO 16 MPH. TIME (CDT) 7 AM 11 AM 3 PM SKY (%).........74 68 62 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TSTM COV........ TEMP............53 57 61 RH..............86 57 46 20 FT WIND......N 14G20 N 16G25 N 16G25 EYE LEVEL WIND..N 10G20 N 11G25 N 11G25 MIX HGT (FT)....1100 2700 3400 MIXNG WIND......N 18 N 21 N 22 HAINES INDEX....3 3 2 $$ FORECASTER...COGIL REQUESTED BY...JOHN MCCLEARY TYPE OF REQUEST...PRESCRIBED .TAG 20120402.WHITE.01/DMX