FNUS73 KJKL 290224 FWSJKL SPOT FORECAST FOR COUNTY LINE...USFS NATIONAL WEATHER SERVICE JACKSON KY 924 PM EST TUE FEB 28 2012 FORECAST IS BASED ON REQUEST TIME OF 2053 EST ON FEBRUARY 28. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN APPROACHING SYSTEM OF FRONTS WILL BRING INCREASING WIND AND CLOUDS TONIGHT...TENDING TO KEEP THE AIR BETTER MIXED LATE TONIGHT THAN ON RECENT NIGHTS. EVEN SO...THE DEEPER VALLEYS WILL STILL HAVE TIME TO SEE TEMPERATURES FALL OFF THIS EVENING. THIS WILL RESULT IN TEMPERATURE AND HUMIDITY DIFFERENCES FROM RIDGES TO THE DEEPER VALLEYS...BUT THE DIFFERENCES WILL BE MORE GEOGRAPHICALLY RESTRICTED THAN ON MANY NIGHTS. SHOWERS AND POSSIBLY THUNDERSTORMS ASSOCIATED WITH AN INITIAL WARM FRONT WILL ARRIVE TOWARD DAWN. MORE SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ON WEDNESDAY...WITH THE POSSIBILITY PERSISTING UNTIL A COLD FRONT PASSES ON WEDNESDAY EVENING. SOME OF THE STORMS ON WEDNESDAY MAY CONTAIN HIGH WINDS. A RIDGE OF HIGH PRESSURE WILL BUILD IN FOR THURSDAY BEHIND THE COLD FRONT. MUCH DRIER AIR WILL ARRIVE...BUT ONLY A LIMITED DROP IN TEMPERATURES SHOULD OCCUR...WHICH WOULD RESULT IN LOW RELATIVE HUMIDITY ON THURSDAY AFTERNOON. .REST OF TONIGHT... SKY/WEATHER.........MOSTLY CLEAR...THEN BECOMING MOSTLY CLOUDY OVERNIGHT. SHOWERS...MAINLY TOWARD DAWN. THERE IS ALSO A SLIGHT CHANCE OF A THUNDERSTORM. MIN TEMPERATURE.....42-47 IN VALLEYS AND MID 50S ON RIDGES. MAX HUMIDITY........75-85 PERCENT RIDGES TO 85-95 PERCENT VALLEYS. WIND (20 FT)........VARIABLE AT 5 MPH OR LESS IN VALLEYS...AND SOUTH AROUND 5 AND INCREASING TO AROUND 10 MPH BY DAWN ON RIDGES. POP.................80 PERCENT. LAL.................1 UNTIL 0600...THEN 2. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........40 65 99 97 97 WEATHER COV..... CHANCE WEATHER TYPE....NONE NONE NONE NONE RNSHWR TEMP............47 44 43 46 51 RH..............85 92 94 90 78 20 FT WIND......S 2 S 3 SE 3 SE 4 S 6 20 FT WIND GUST. 5 5 6 8 HAINES INDEX....3 3 3 3 3 .WEDNESDAY... SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........68 PERCENT. WIND (20 FT)........SOUTHWEST WINDS INCREASING TO 10 TO 15 MPH...WITH GUSTS TO 25 MPH POP.................90 PERCENT. LAL.................3. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL. TRANSPORT WINDS.....SOUTHWEST AROUND 24 MPH. DISPERSION INDEX....55. TIME (EST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........97 84 80 81 94 96 WEATHER COV.....DEFNTE LIKELY CHANCE CHANCE DEFNTE DEFNTE WEATHER TYPE....RNSHWR RNSHWR TSTORM TSTORM RNSHWR RNSHWR TEMP............56 60 66 69 68 64 RH..............79 74 65 63 67 74 20 FT WIND......S 6 S 7 S 9 S 13 SW 13 SW 10 20 FT WIND GUST.10 10 15 25 25 20 HAINES INDEX....3 3 3 3 3 3 $$ FORECASTER...HAL REQUESTED BY...DISPATCH TYPE OF REQUEST...WILDFIRE .TAG 20120228.COUNT.01/JKL