FNUS73 KDMX 231301 FWSDMX SPOT FORECAST FOR UNIT 2 UNION 1SLOUGH NWR...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 801 AM CDT MON APR 23 2012 FORECAST IS BASED ON IGNITION TIME OF 0820 CDT ON APRIL 23. 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... AREAS OF FOG AND LOW CLOUDS EARLY THIS MORNING WILL BURN OFF BY 9 AM. THEREAFTER...NORTHWEST BREEZES WILL INCREASE TO 10 TO 15 MPH LATER IN THE DAY WITH RELATIVE HUMIDITY FALLING TO 30 TO 40 PERCENT BY THE AFTERNOON. PLEASE NOTE...SPOT FORECASTS SHOULD IDEALLY BE SUBMITTED THE AFTERNOON OR EVENING BEFORE THE BURN. THE PREFERRED MINIMUM LEAD TIME IS AT LEAST TWO HOURS BEFORE THE BURN. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........35 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST 6 TO 12 MPH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 7100 FT AGL. MIXING WINDS........NORTHWEST 3 TO 12 MPH. SMOKE DISPERSAL.....POOR TO GOOD (800-52400 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (54600-63700 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 6 TO 12 MPH. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........11 18 24 30 38 41 42 44 46 48 50 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............40 45 49 53 56 59 61 62 63 63 64 RH..............82 68 61 52 49 44 41 39 38 36 35 20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW W 20 FT WIND SPD..6 7 8 9 9 9 10 12 12 10 8 20 FT WIND GUST. 10 10 10 10 15 15 15 15 10 EYE LVL WND DIR.NW NW NW NW NW NW NW NW NW NW W EYE LVL WND SPD.4 5 6 6 6 6 7 9 9 7 6 EYE LVL WND GST. 10 10 10 10 15 15 15 15 10 MIX HGT (KFT)...0.9 1.5 2.1 3.7 5.4 7.1 7.1 7.1 7.1 6.8 6.5 MIXNG WIND DIR..NW N N N N N N NW NW NW W MIXNG WIND SPD..6 9 12 12 12 10 10 10 10 10 9 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....AROUND 44. MAX HUMIDITY........82 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 7 MPH. MIXING HEIGHT.......6200 FT AGL DECREASING TO 2200 FT AGL. MIXING WINDS........SOUTH 7 TO 9 MPH. SMOKE DISPERSAL.....POOR TO GOOD (1400-49200 KNOT-FT). WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........51 56 63 68 56 39 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............62 56 51 49 47 45 RH..............38 49 59 66 71 79 20 FT WIND......W 7 SW 6 S 6 S 5 S 6 S 6 20 FT WIND GUST. EYE LEVEL WIND..W 5 SW 4 S 4 S 4 S 4 S 4 EYE LVL WND GST. MIX HGT (FT)....6200 2200 300 300 300 300 MIXNG WIND......W 9 SW 8 S 7 S 7 S 8 S 8 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........38 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 7 MPH UNTIL LATE AFTERNOON BECOMING LIGHT...THEN BECOMING SOUTHEAST AROUND 5 MPH LATE IN THE AFTERNOON. MIXING HEIGHT.......1600 FT AGL INCREASING TO 3400 FT AGL EARLY IN THE AFTERNOON...THEN INCREASING TO 5600 FT AGL EARLY IN THE AFTERNOON DECREASING TO 2000 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTHWEST 5 TO 13 MPH. SMOKE DISPERSAL.....POOR TO EXCELLENT (1000-62100 KNOT-FT). WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH UNTIL LATE AFTERNOON BECOMING LIGHT...THEN BECOMING SOUTHEAST AROUND 5 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........27 30 32 36 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............45 56 70 75 RH..............79 59 41 38 20 FT WIND......S 5 SE 5 SE 7 S 3G5 EYE LEVEL WIND..S 4G5 SE 4G5 SE 5 S 2G5 MIX HGT (FT)....300 300 2300 5600 MIXNG WIND......S 8 W 5 N 7 NW 13 $$ FORECASTER...SMALL REQUESTED BY...TODD FREEMAN TYPE OF REQUEST...PRESCRIBED .TAG 20120423.UNIT2.01/DMX