FNUS73 KDMX 111458 FWSDMX SPOT FORECAST FOR SFN PILE...IOWA DNR FIRE NATIONAL WEATHER SERVICE DES MOINES IA 858 AM CST TUE DEC 11 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON DECEMBER 11. 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... A MIX OF SUN AND CLOUDS IS FORECAST TODAY ALONG WITH SOUTHWEST WINDS. SMOKE DISPERSAL WILL BECOME FAIR BY THIS AFTERNOON DESPITE LIMITED MIXING DEPTHS AS MIXED LAYER WINDS INCREASE. EXPECT THE WIND TO BE OUT OF THE SOUTH TO SOUTHWEST ON WEDNESDAY AND MORE BREEZY. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 36. MIN HUMIDITY........52 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 9 TO 14 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 2600 FT AGL IN THE AFTERNOON...THEN DECREASING TO 300 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........WEST 7 TO 14 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1500-15800 KNOT-FT). WIND (20 FT)........SOUTHWEST WINDS 9 TO 14 MPH. TIME (CST) 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........58 59 60 61 57 48 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............32 34 35 35 33 29 RH..............58 54 52 52 56 66 20 FT WIND DIR..W W W W W SW 20 FT WIND SPD..13 14 14 14 13 10 20 FT WIND GUST.15 20 20 20 15 15 EYE LVL WND DIR.W W W W W SW EYE LVL WND SPD.9 10 10 10 9 7 EYE LVL WND GST.15 20 20 20 15 15 MIX HGT (KFT)...1.6 2.3 2.6 1.1 0.9 0.3 MIXNG WIND DIR..SW SW W W W W MIXNG WIND SPD..12 13 14 14 12 8 HAINES INDEX....3 3 3 3 3 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). MIN TEMPERATURE.....AROUND 19. MAX HUMIDITY........96 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTH 5 TO 8 MPH AFTER MIDNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........WEST 5 TO 6 MPH SHIFTING TO THE SOUTH 3 TO 9 MPH EARLY IN THE EVENING. SMOKE DISPERSAL.....POOR TO POOR (800-2100 KNOT-FT). WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTH 5 TO 8 MPH AFTER MIDNIGHT. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........44 36 25 17 20 23 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............25 20 19 20 19 20 RH..............78 92 92 84 88 88 20 FT WIND......SW 8 SW 5 SW 3 S 5 S 6 S 8 20 FT WIND GUST.10 5 10 EYE LEVEL WIND..SW 6 SW 4 SW 2 S 4 S 4 S 6 EYE LVL WND GST.10 5 10 MIX HGT (FT)....300 300 300 300 300 300 MIXNG WIND......W 6 S 3 S 5 S 7 S 8 S 9 HAINES INDEX....4 4 4 4 5 5 .WEDNESDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 43. MIN HUMIDITY........39 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 18 MPH INCREASING TO 17 TO 20 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1000 FT AGL. MIXING WINDS........SOUTH 10 TO 17 MPH. SMOKE DISPERSAL.....POOR TO FAIR (2300-13800 KNOT-FT). WIND (20 FT)........SOUTH WINDS 9 TO 18 MPH INCREASING TO 17 TO 20 MPH IN THE AFTERNOON. TIME (CST) 6 AM 9 AM NOON 3 PM SKY (%).........26 23 19 19 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............22 27 37 42 RH..............81 68 48 41 20 FT WIND......S 9G10 S 12G15 S 18G25 S 20G30 EYE LEVEL WIND..S 6G10 S 9G15 S 13G25 S 14G30 MIX HGT (FT)....300 300 1000 1000 MIXNG WIND......S 10 S 12 S 15 S 16 HAINES INDEX....5 5 5 5 $$ FORECASTER...DONAVON REQUESTED BY...RYAN TYPE OF REQUEST...PRESCRIBED .TAG 20121211.SFNPI.01/DMX