FNUS73 KILX 211325 FWSILX SPOT FORECAST FOR EMIQUON NORTH...THE NATURE CONSERVANCY NATIONAL WEATHER SERVICE LINCOLN, IL 825 AM CDT WED MAR 21 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ANOTHER VERY WARM AND RAIN FREE DAY IS ANTICIPATED ACROSS CENTRAL AND SOUTHEAST ILLINOIS TODAY. SOUTHERLY WINDS WILL BE GUSTING TO AROUND 25 MPH BY LATE MORNING...WITH THE GUSTINESS LINGERING UNTIL AROUND SUNSET. THESE GUSTY WINDS AND PEAK AFTERNOON MIXING HEIGHTS OF 5000 FEET OR GREATER WILL AGAIN PROVIDE GOOD SMOKE DISPERSION. A SLOW MOVING STORM SYSTEM WILL SPREAD INTO THE REGION STARTING LATE TONIGHT...ACCOMPANIED BY LIGHTER WINDS AND A CHANCE OF SHOWERS AND THUNDERSTORMS. THE CLOUDS...PRECIPIATION...AND LOWER MIXING HEIGHTS THAT WILL ACCOMPANY THIS SYSTEM INTO SATURDAY WILL BE MUCH LESS CONDUCIVE TO PRESCRIBED BURNING THAN THE LAST SEVERAL DAYS HAVE BEEN. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). MAX TEMPERATURE.....AROUND 82. MIN HUMIDITY........46 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 16 MPH. WIND (20 FT)........SOUTH WINDS 7 TO 16 MPH. GUSTS UP TO 30 MPH. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......0-1700 FT AGL INCREASING TO 3800-5600 FT AGL. TRANSPORT WINDS.....SOUTHEAST 8 TO 17 MPH INCREASING TO SOUTH 22 TO 30 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........4 TO 5 OR OR LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR EARLY...GOOD AT IGNITION TIME...BECOMING EXCELLENT BY EARLY AFTERNOON TIME (CDT) 10 AM NOON 2 PM 4 PM SKY (%).............62 59 60 66 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE TEMP................70 76 79 81 RH..................66 54 49 46 20 FT WIND..........SE 10 S 12 S 13 S 12 20 FT WIND GUST.....20 25 30 25 EYE LEVEL WIND......SE 7 S 9 S 10 S 9 EYE LEVEL GUST......20 25 30 25 MIX HGT (FT)........1700 4200 5600 4900 TRANSPORT WIND......S 22 S 29 S 30 S 26 CWR.................10 10 10 10 HAINES INDEX........4 4 4 5 VRATE MPH-FT/1000...39 121 167 131 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 62. MAX HUMIDITY........75 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 12 MPH. WIND (20 FT)........SOUTHEAST WINDS 6 TO 12 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......600-2400 FT AGL DECREASING TO 300-600 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTHEAST 13 TO 21 MPH DECREASING TO 10 TO 14 MPH IN THE LATE EVENING AND OVERNIGHT. HAINES INDEX........3 TO 5 OR OR VERY LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. SMOKE DISPERSAL.....POOR TO GOOD (2645-50484 MPH-FT). TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............71 74 77 81 83 87 WEATHER COV......... S CHC S CHC WEATHER TYPE........NONE NONE NONE NONE RNSHWR RNSHWR TEMP................80 75 72 70 67 66 RH..................47 55 61 63 70 73 20 FT WIND..........SE 10 SE 7 SE 6 SE 6 SE 6 SE 5 20 FT WIND GUST.....20 15 15 15 15 15 EYE LEVEL WIND......SE 7 SE 5 SE 5 SE 4 SE 4 SE 4 EYE LEVEL GUST......20 15 15 15 15 15 MIX HGT (FT)........2400 600 300 300 400 500 TRANSPORT WIND......SE 21 SE 15 SE 10 SE 10 SE 13 SE 14 CWR.................10 10 10 10 20 20 HAINES INDEX........5 5 5 4 4 3 VRATE MPH-FT/1000...50 9 3 3 5 7 $$ FORECASTER...HJS REQUESTED BY...THARRAN HOBSON TYPE OF REQUEST...PRESCRIBED .TAG 20120321.EMIQU.02/ILX