FNUS73 KDMX 290949 FWSDMX SPOT FORECAST FOR THORN VALLEY...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 349 AM CST THU NOV 29 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON NOVEMBER 29. 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... EXPECT DRY CONDITIONS WITH PARTLY SUNNY SKIES THROUGHOUT THE DAY TODAY. SURFACE WINDS WILL BE SOUTH BETWEEN 5 TO 10 MPH WITH A FEW GUSTS POSSIBLE UP TO 15 MP DURING THE AFTERNOON HOURS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). TEMPERATURE.........44 AT IGNITION...MAX 54. RH..................62 PERCENT AT IGNITION...MIN 50 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 9 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 2400 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHEAST 7 TO 9 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1500-18900 KNOT-FT). WIND (20 FT)........WINDS SOUTH AT 8 MPH AT IGNITION...OTHERWISE SOUTH WINDS 7 TO 9 MPH. TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........36 35 37 40 42 43 44 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............44 48 51 53 53 52 49 RH..............62 58 54 50 52 52 56 20 FT WIND DIR..S S S S S S S 20 FT WIND SPD..8 8 8 8 8 8 7 20 FT WIND GUST.10 10 10 10 10 10 EYE LVL WND DIR.S S S S S S S EYE LVL WND SPD.6 6 6 6 6 6 5 EYE LVL WND GST.10 10 10 10 10 10 MIX HGT (KFT)...1.1 1.4 1.8 2.1 2.4 1.7 1.0 MIXNG WIND DIR..S S S S S S SE MIXNG WIND SPD..7 7 8 9 9 8 7 HAINES INDEX....3 3 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). TEMPERATURE.........MIN 34. RH..................MAX 85 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 6 MPH IN THE EVENING BECOMING LIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........SOUTHEAST 3 TO 6 MPH. SMOKE DISPERSAL.....POOR TO POOR (800-1300 KNOT-FT). WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH IN THE EVENING BECOMING LIGHT. TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........44 43 42 41 40 39 38 38 37 36 35 34 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............47 44 42 41 40 40 39 38 37 37 36 36 RH..............60 68 73 76 76 76 76 79 79 79 82 79 20 FT WIND DIR..S S S S S SE SE SE SE SE SE SE 20 FT WIND SPD..6 5 5 5 5 3 3 3 3 3 3 2 20 FT WIND GUST. 5 5 5 5 5 5 EYE LVL WND DIR.S S S S S SE SE SE SE SE SE SE EYE LVL WND SPD.4 4 4 4 4 2 2 2 2 2 2 1 EYE LVL WND GST. 5 5 5 5 5 5 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 MIXNG WIND DIR..SE SE SE SE SE SE SE SE SE E SE SE MIXNG WIND SPD..6 6 5 5 5 3 3 3 5 5 5 5 HAINES INDEX....3 3 3 3 3 4 4 4 5 5 5 5 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). TEMPERATURE.........MAX 49. RH..................MIN 63 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL. MIXING WINDS........SOUTHWEST 1 TO 3 MPH SHIFTING TO THE NORTHWEST 1 TO 2 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....POOR TO POOR (300-1800 KNOT-FT). WIND (20 FT)........LIGHT WINDS. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........34 33 32 31 29 28 27 28 29 31 32 33 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............35 34 36 38 41 44 46 47 48 49 48 46 RH..............82 85 82 76 73 68 68 65 65 63 65 68 20 FT WIND DIR..SE E N NW N N N N N N NE E 20 FT WIND SPD..2 2 3 3 3 3 3 3 2 2 2 3 20 FT WIND GUST. 5 5 5 5 5 5 5 EYE LVL WND DIR.SE E N NW N N N N N N NE E EYE LVL WND SPD.1 1 2 2 2 2 2 2 1 1 1 2 EYE LVL WND GST. 5 5 5 5 5 5 5 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.4 0.5 0.6 0.9 1.2 1.5 1.1 0.7 MIXNG WIND DIR..SE SE S SW W NW N N NW NW NW N MIXNG WIND SPD..3 2 2 1 1 1 1 1 1 1 2 2 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 5 $$ FORECASTER...PODRAZIK REQUESTED BY...RICHARD HAGER TYPE OF REQUEST...PRESCRIBED .TAG 20121129.THORN.01/DMX