FNUS73 KDMX 081232 FWSDMX SPOT FORECAST FOR LEE TRAIL...IOWA STATE UNIVERSITY NATIONAL WEATHER SERVICE DES MOINES IA 632 AM CST THU MAR 8 2012 FORECAST IS BASED ON IGNITION TIME OF 1300 CST ON MARCH 08. 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... SKIES WILL BE MOSTLY CLEAR THROUGHOUT MUCH OF THE DAY AS AN AREA OF HIGH PRESSURE BUILDS INTO THE UPPER MID WEST. HOWEVER...WINDS WILL BE VERY STRONG WITH GOOD MIXING THROUGHOUT THE AFTERNOON. WINDS IN THE AFTERNOON COULD GUST AS HIGH AS 30 MPH. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 47. MIN HUMIDITY........0 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 12 TO 16 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500 FT AGL INCREASING TO 4700 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTHWEST 18 TO 23 MPH INCREASING TO 25 TO 31 MPH LATE IN THE MORNING...THEN DECREASING TO 17 TO 21 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (84900 KNOT-FT) INCREASING TO EXCELLENT (117100 KNOT-FT) EARLY IN THE AFTERNOON...THEN DECREASING TO GOOD (85200 KNOT-FT) LATE IN THE AFTERNOON. WIND (20 FT)........NORTHWEST WINDS 12 TO 16 MPH. TIME (CST) 1PM 2PM 3PM 4PM 5PM SKY (%).........26 24 22 21 19 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............44 45 46 45 44 RH..............39 38 37 38 39 20 FT WIND DIR..NW NW NW NW NW 20 FT WIND SPD..15 15 14 13 12 20 FT WIND GUST.25 25 20 20 15 EYE LVL WND DIR.NW NW NW NW NW EYE LVL WND SPD.11 11 10 9 9 EYE LVL WND GST.25 25 20 20 15 MIX HGT (KFT)...4.5 4.6 4.7 3.2 1.7 MIXNG WIND DIR..NW N N NW NW MIXNG WIND SPD..29 25 21 18 17 HAINES INDEX....4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 25. MAX HUMIDITY........74 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......500 FT AGL. MIXING WINDS........NORTH 8 TO 16 MPH. SMOKE DISPERSAL.....POOR (4500 KNOT-FT). WIND (20 FT)........NORTH WINDS 5 TO 10 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........18 14 9 5 7 9 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............42 37 34 32 30 29 RH..............43 52 58 63 66 69 20 FT WIND......NW 10 W 7 W 5 W 5 N 7 N 6 20 FT WIND GUST.15 EYE LEVEL WIND..NW 7 W 5 W 4 W 4 N 5 N 4 EYE LVL WND GST.15 MIX HGT (FT)....300 300 300 300 300 400 MIXNG WIND......NW 16 W 10 W 8 W 9 N 8 N 9 HAINES INDEX....4 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 54. MIN HUMIDITY........0 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH EARLY IN THE MORNING...THEN BECOMING LIGHT LATE IN THE MORNING BECOMING SOUTH 5 TO 7 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL INCREASING TO 4900 FT AGL. MIXING WINDS........EAST 5 TO 13 MPH SHIFTING TO THE SOUTH 2 TO 8 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (24700 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH EARLY IN THE MORNING...THEN BECOMING LIGHT LATE IN THE MORNING BECOMING SOUTH 5 TO 7 MPH IN THE AFTERNOON. TIME (CST) 6 AM 9 AM NOON 3 PM SKY (%).........10 10 10 10 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............28 35 47 53 RH..............68 56 38 32 20 FT WIND......N 3G5 NE 5 SE 3G5 S 7 EYE LEVEL WIND..N 2G5 NE 4G5 SE 2G5 S 5 MIX HGT (FT)....600 2000 3400 4900 MIXNG WIND......NE 13 NE 9 E 3 S 3 HAINES INDEX....4 4 3 3 $$ FORECASTER...WILKINS REQUESTED BY...RYAN HARR TYPE OF REQUEST...PRESCRIBED .TAG 20120308.LEETR.01/DMX