FNUS73 KDMX 171441 FWSDMX SPOT FORECAST FOR THREE MILE...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 841 AM CST THU NOV 17 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON NOVEMBER 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. PLEASE REMEMBER THAT SPOT REQUESTS SHOULD BE SUBMITTED 2 HOURS OR MORE PRIOR TO BURN TIME AND TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... SOUTHWESTERLY WINDS PICKING UP INTO THE AFTERNOON HOURS WITH SOME GUSTS AS HIGH PRESSURE SLIDES OFF TO THE SOUTHEAST THROUGH THE DAY. WINDS TO REMAIN UP THROUGH THE NIGHT...AND PICK UP AGAIN INTO FRIDAY. DEWPOINT FORECAST HAS SOME UNCERTAINTY WITH MIXING EXPECTED TO DROP DEWPOINTS IN THE AFTERNOON...BUT THIS SHOULD BE TEMPERED WITH MOISTURE ADVECTING INTO THE AREA. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 46. MIN HUMIDITY........31 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 6 TO 14 MPH INCREASING TO 15 TO 18 MPH LATE IN THE MORNING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1300 FT AGL INCREASING TO 3600 FT AGL LATE IN THE MORNING...THEN DECREASING TO 1600 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 7 TO 14 MPH INCREASING TO 17 TO 25 MPH LATE IN THE MORNING...THEN INCREASING TO 24 TO 30 MPH IN THE AFTERNOON SHIFTING TO THE SOUTH AROUND 18 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (52500 KNOT-FT) INCREASING TO GOOD (93400 KNOT-FT) EARLY IN THE AFTERNOON...THEN DECREASING TO GOOD (90100 KNOT-FT) LATE IN THE AFTERNOON. WIND (20 FT)........SOUTHWEST WINDS 6 TO 14 MPH INCREASING TO 15 TO 18 MPH LATE IN THE MORNING. TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........8 9 9 9 9 9 7 4 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............33 37 41 42 44 45 43 42 RH..............50 41 34 34 32 31 33 36 20 FT WIND DIR..SW SW SW SW SW SW SW S 20 FT WIND SPD..14 16 17 18 18 17 16 15 20 FT WIND GUST.20 25 25 25 25 25 25 20 EYE LVL WND DIR.SW SW SW SW SW SW SW S EYE LVL WND SPD.10 11 12 13 13 12 11 11 EYE LVL WND GST.20 25 25 25 25 25 25 20 MIX HGT (KFT)...1.3 2.4 3.5 3.5 3.6 3.6 2.6 1.6 MIXNG WIND DIR..SW SW SW SW SW SW SW S MIXNG WIND SPD..21 25 28 30 30 29 24 18 HAINES INDEX....4 5 5 5 5 5 5 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 30. MAX HUMIDITY........66 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 14 TO 18 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......600 FT AGL. MIXING WINDS........SOUTHWEST 15 TO 21 MPH. SMOKE DISPERSAL.....POOR (9900 KNOT-FT). WIND (20 FT)........SOUTH WINDS 14 TO 18 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........1 20 23 26 25 24 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............40 36 35 34 34 33 RH..............39 47 49 54 56 58 20 FT WIND......S 14 S 14 S 16 S 18 S 18 S 18 20 FT WIND GUST.20 20 20 25 25 25 EYE LEVEL WIND..S 10 S 10 S 11 S 13 S 13 S 13 EYE LVL WND GST.20 20 20 25 25 25 MIX HGT (FT)....600 600 600 500 300 300 MIXNG WIND......S 15 S 17 S 21 S 21 S 21 S 18 HAINES INDEX....4 3 3 4 5 5 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 54. MIN HUMIDITY........48 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 15 TO 22 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 2700 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 17 TO 23 MPH SHIFTING TO THE SOUTH AROUND 12 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (51100 KNOT-FT). WIND (20 FT)........SOUTH WINDS 15 TO 22 MPH. TIME (CST) 6 AM 9 AM NOON 3 PM SKY (%).........23 26 29 32 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............31 38 49 53 RH..............66 59 46 43 20 FT WIND......S 17G25 S 20G25 SW 22G30 S 18G25 EYE LEVEL WIND..S 12G25 S 14G25 SW 16G30 S 13G25 MIX HGT (FT)....300 1200 2400 2700 MIXNG WIND......SW 17 SW 22 SW 22 SW 22 HAINES INDEX....5 5 5 5 $$ FORECASTER...BEERENDS REQUESTED BY...NATURAL RESOURCE TECH 2 TYPE OF REQUEST...PRESCRIBED .TAG 20111117.THREE.01/DMX