FNUS73 KDMX 220947 FWSDMX SPOT FORECAST FOR UNIT 2 UNION 1SLOUGH NWR...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 447 AM CDT SUN APR 22 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 22. 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... WINDS WILL BECOME GENERALLY NORTHERLY TODAY AT SPEEDS OF 10 TO 15 MPH WITH SOME HIGHER GUSTS. MOSTLY CLOUDY SKIES WILL LIMIT MIXING HEIGHTS FOR THE MOST PART...BUT SOME CLEARING IS POSSIBLE IN THE AFTERNOON WHEN RELATIVE HUMIDITY WILL BOTTOM OUT AT ROUGHLY 50 PERCENT. A FEW LIGHT SHOWERS ARE EXPECTED...MAINLY THIS MORNING. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED RAIN SHOWERS. TEMPERATURE.........44 AT IGNITION...MAX 55. RH..................89 PERCENT AT IGNITION...MIN 54 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 9 TO 12 MPH. MIXING HEIGHT.......2300 FT AGL INCREASING TO 6500 FT AGL. MIXING WINDS........NORTHEAST 9 TO 18 MPH SHIFTING TO THE NORTH 8 TO 12 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....POOR TO EXCELLENT (11900-64600 KNOT-FT). WIND (20 FT)........WINDS NORTH AT 10 MPH AT IGNITION...OTHERWISE NORTH WINDS 9 TO 12 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........95 93 92 91 87 79 71 63 55 WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO ISO WEATHER TYPE....RW RW RW RW RW RW RW RW RW TSTM COV........ TEMP............44 45 47 48 50 52 54 55 55 RH..............89 86 79 77 71 63 59 55 55 20 FT WIND DIR..N N N N N N N N N 20 FT WIND SPD..10 10 9 9 10 10 12 12 12 20 FT WIND GUST.15 10 10 15 15 15 15 EYE LVL WND DIR.N N N N N N N N N EYE LVL WND SPD.7 7 6 6 7 7 9 9 9 EYE LVL WND GST.15 10 10 15 15 15 15 MIX HGT (KFT)...2.3 3.1 4.0 4.8 5.4 5.9 6.5 6.4 6.3 MIXNG WIND DIR..NE NE NE NE NE N N N N MIXNG WIND SPD..12 9 8 8 8 9 10 12 12 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (25-35 PERCENT). ISOLATED RAIN SHOWERS EARLY IN THE EVENING. PATCHY FROST EARLY IN THE MORNING. TEMPERATURE.........MIN 36. RH..................MAX 96 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 10 MPH. MIXING HEIGHT.......6300 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........NORTHWEST 5 TO 12 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (14900-62600 KNOT-FT) DECREASING TO POOR TO POOR (1000-1300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........51 32 26 27 20 19 WEATHER COV.....ISOLTD ISOLTD PATCHY WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE FROST TSTM COV........ TEMP............54 48 44 41 38 36 RH..............54 68 79 89 92 96 20 FT WIND......N 10 N 8 N 5 N 5 NW 5 NW 5 20 FT WIND GUST.15 10 EYE LEVEL WIND..N 7 N 6 N 4 N 4 NW 4 NW 4 EYE LVL WND GST.15 10 MIX HGT (FT)....6300 2300 300 300 300 300 MIXNG WIND......N 12 N 8 NW 6 NW 6 NW 6 NW 5 .MONDAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). TEMPERATURE.........MAX 64. RH..................MIN 41 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 8 MPH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 7000 FT AGL. MIXING WINDS........WEST 5 TO 9 MPH. SMOKE DISPERSAL.....POOR TO GOOD (1000-56100 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........23 18 27 25 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............37 51 59 63 RH..............85 59 44 41 20 FT WIND......NW 5 NW 6 NW 7 NW 8G10 EYE LEVEL WIND..NW 4G5 NW 4G5 NW 5 NW 6G10 MIX HGT (FT)....300 3100 6300 7000 MIXNG WIND......NW 5 N 9 N 9 NW 9 $$ FORECASTER...LEE REQUESTED BY...TODD FREEMAN TYPE OF REQUEST...PRESCRIBED .TAG 20120422.UNIT2.01/DMX