FNUS73 KLOT 091355 FWSLOT SPOT FORECAST FOR BITTERSWEET RESEARCH PLOT IM...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE CHICAGO IL 855 AM CDT THU APR 9 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF HIGH PRESSURE EXTENDING FROM MINNESOTA INTO EASTERN IOWA WILL MOVE INTO NORTHERN ILLINOIS AND NORTHWEST INDIANA TODAY. WINDS WILL BECOME LIGHT THIS MORNING...AND THEN NORTH TO NORTHEAST THIS AFTERNOON AS A LAKE BREEZE DEVELOPS. HIGH CLOUDS WILL BE ON THE INCREASE LATER THIS AFTERNOON. WINDS WILL BEGIN TO STRENGTHEN TONIGHT AS LOW PRESSURE DEVELOPS ACROSS THE SOUTHERN AND CENTRAL PLAINS. GUSTY NORTHEAST WINDS WILL CONTINUE ON FRIDAY AS THE LOW PRESSURE AREA TRACKS INTO SOUTHERN ILLINOIS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY THIS MORNING...INCREASING HIGH CLOUDS THIS AFTERNOON. TEMPERATURE.........46 AT IGNITION...MAX 50. RH..................55 PERCENT AT IGNITION...MIN 43 PERCENT. WIND (20 FT)........WEST WINDS AROUND 5 MPH AT IGNITION...THEN BECOMING NORTHEAST AROUND 10 MPH IN THE AFTERNOON. CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......400 FT AGL INCREASING TO 2000 FT AGL AT IGNITION... THEN INCREASING TO 3500 FT AGL BY MID AFTERNOON. TRANSPORT WINDS.....NORTH 6 TO 14 MPH SHIFTING TO THE NORTHEAST AROUND 16 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR /9900 KNOT-FT/ AT IGNITION. MAX...POOR /23600 KNOT-FT/. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........19 24 29 34 37 41 44 47 50 WEATHER COV..... WEATHER TYPE.... TEMP............46 46 47 47 48 49 49 48 47 RH..............55 52 49 48 47 46 46 46 48 20 FT WIND DIR..310 320 350 000 010 030 040 050 050 20 FT WIND SPD..2 2 3 4 5 6 7 8 9 20 FT WIND GUST.5 5 5 5 10 10 15 15 15 MIX HGT (KFT)...1.9 2.4 2.9 3.2 3.1 2.9 2.6 2.2 1.8 TRANSP WIND DIR.320 320 320 320 330 350 000 020 040 TRANSP WIND SPD.8 7 6 6 7 9 12 14 16 CWR.............0 0 0 0 0 0 0 0 0 VRATE KT-FT/10008 10 12 14 16 19 21 23 24 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. TEMPERATURE.........MIN 37. RH..................MAX 75 PERCENT. WIND (20 FT)........NORTHEAST WINDS 8 TO 13 MPH. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......1500 FT AGL THIS EVENING DECREASING TO 300 FT AGL. TRANSPORT WINDS.....NORTHEAST 18 TO 25 MPH INCREASING TO 28 TO 31 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....POOR (9500-36300 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........53 56 59 63 66 69 72 74 77 79 81 83 WEATHER COV..... SCH SCH SCH SCH SCH SCH WEATHER TYPE.... RW RW RW RW RW RW TEMP............46 44 43 42 41 40 40 39 38 38 38 38 RH..............51 56 60 62 65 68 69 72 73 74 75 75 20 FT WIND DIR..050 050 050 050 050 050 050 050 060 060 050 050 20 FT WIND SPD..10 8 7 6 7 8 9 10 10 10 10 10 20 FT WIND GUST.20 15 15 15 15 15 15 15 20 20 20 20 MIX HGT (KFT)...1.5 1.2 1.0 0.7 0.6 0.5 0.4 0.5 0.6 0.8 1.1 1.3 TRANSP WIND DIR.050 050 050 050 050 050 050 050 050 050 050 050 TRANSP WIND SPD.18 21 21 22 23 24 24 25 28 29 30 31 CWR.............0 0 0 0 0 0 20 20 20 20 20 20 VRATE KT-FT/100024 22 18 15 12 10 10 12 17 23 29 36 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY. RH..................MIN 58 PERCENT. WIND (20 FT)........NORTH WINDS 14 TO 20 MPH. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......1600 FT AGL INCREASING TO 2800 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTH 30 TO 35 MPH. SMOKE DISPERSAL.....FAIR TO GOOD (43000-76000 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........86 85 84 83 83 82 81 77 72 68 64 60 WEATHER COV.....SCH SCH SCH SCH SCH SCH WEATHER TYPE....RW RW RW RW RW RW RH..............75 75 71 69 67 65 65 62 60 59 58 59 20 FT WIND DIR..050 040 040 030 030 020 020 020 010 010 010 010 20 FT WIND SPD..11 12 14 14 14 14 14 15 16 16 16 15 20 FT WIND GUST.20 25 25 25 25 30 30 30 30 30 30 30 MIX HGT (KFT)...1.6 1.8 2.1 2.3 2.6 2.7 2.8 2.8 2.8 2.7 2.5 2.3 TRANSP WIND DIR.050 050 050 040 040 030 030 030 030 020 020 010 TRANSP WIND SPD.31 31 31 31 31 30 30 31 32 33 33 35 CWR.............20 20 20 20 20 20 10 10 10 10 10 10 VRATE KT-FT/100043 50 56 62 67 72 75 76 76 75 72 69 $$ FORECASTER...MARSILI REQUESTED BY...NEAL MULCONREY TYPE OF REQUEST...PRESCRIBED .TAG 20090409.BITTE.02/LOT