FNUS73 KJKL 272243 FWSJKL SPOT FORECAST FOR 751...USFS NATIONAL WEATHER SERVICE JACKSON KY 543 PM EST MON FEB 27 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EST ON FEBRUARY 28. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE PASSING BY TO OUR NORTH WILL PROVIDE MOSTLY CLEAR SKIES THROUGH TUESDAY. ALTHOUGH RELATIVE HUMIDITY WILL MAKE A GOOD RECOVERY TO HIGHER THAN 80 PERCENT IN VALLEYS TONIGHT...RIDGES SHOULD REMAIN MOSTLY BELOW 70 PERCENT. WITH STRONG WARMING ON TUESDAY...MOST LOCATIONS CAN AGAIN EXPECT RELATIVE HUMIDITY TO DIP BELOW 30 PERCENT. THE EXCEPTION WILL BE IN THE CUMBERLAND DRAINAGE BASIN...WHERE INCREASING DEW POINTS SHOULD KEEP MINIMUM RELATIVE HUMIDITY IN THE 30S. A POWERFUL STORM SYSTEM CROSSING THE UPPER MIDWEST WILL DRAW MOISTURE NORTHWARD FROM THE GULF OF MEXICO AND RESULT IN SHOWERS AND POSSIBLY THUNDERSTORMS TUESDAY NIGHT AND WEDNESDAY. AS A COLD FRONT ASSOCIATED WITH THE SYSTEM PASSES BY...MOST OF THE RAIN WILL COME TO AN END BY WEDNESDAY NIGHT. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....UPPER 20S VALLEYS TO MID 30S RIDGES. MAX HUMIDITY........75-80 PERCENT RIDGES TO 90-95 PERCENT VALLEYS. WIND (20 FT)........NORTH AROUND 5 MPH...BECOMING EAST ON RIDGES AND BECOMING CALM IN VALLEYS. POP.................0 PERCENT. LAL.................1. HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........28 27 23 16 21 23 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............58 53 49 45 40 36 RH..............41 50 58 63 73 82 20 FT WIND......NW 3 N 3 N 3 NE 3 NE 3 NE 3 20 FT WIND GUST.5 5 5 5 5 HAINES INDEX....2 2 2 4 4 4 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY...THEN BECOMING MOSTLY CLOUDY TOWARD EVENING. MAX TEMPERATURE.....55 AT IGNITION...MAX 66 IN THE AFTERNOON. MIN HUMIDITY........44 PERCENT AT IGNITION...MIN 33 PERCENT IN THE AFTERNOON. WIND (20 FT)........LIGHT WINDS IN THE MORNING BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON. EAST WIND AROUND 4 MPH AT IGNITION TIME. POP.................10 PERCENT. LAL.................1. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......1000 FT AGL AT IGNITION...MAX 4300 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....EAST AROUND 5 MPH AT IGNITION...PEAK AROUND 8 MPH FROM THE SOUTHEAST IN THE AFTERNOON. DISPERSION INDEX....35. TIME (EST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........24 23 29 48 59 73 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............34 43 55 63 65 64 RH..............83 64 44 36 36 42 20 FT WIND......E 3 E 3 E 3 SE 5 S 5 S 5 20 FT WIND GUST.5 5 5 HAINES INDEX....5 5 5 4 4 4 $$ FORECASTER...HAL REQUESTED BY...CHRIS OWENS TYPE OF REQUEST...PRESCRIBED .TAG 20120228.751__.01/JKL