FNUS73 KJKL 162023 FWSJKL SPOT FORECAST FOR GRAVEL LICK...USFS NATIONAL WEATHER SERVICE JACKSON KY 423 PM EDT TUE APR 16 2013 FORECAST IS BASED ON REQUEST TIME OF 1152 EDT ON APRIL 16. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ISOLATED THUNDERSTORMS MAY DEVELOP THIS EVENING. THE ATMOSPHERE IS VERY UNSTABLE...SO THE CHANCES OF STRONG GUSTY WINDS FROM THE THUNDERSTORMS ARE VERY LIKELY. WIND GUSTS OF UP TO 50 MPH ARE POSSIBLE FROM THESE STORMS. IF CONVECTIVE CLOUDS FORM...MAKE SURE THAT A LOOKOUT IS POSTED TO LET FIRE FIGHTERS KNOW OF ANY APPROACHING WIND GUSTS. RH SHOULD CONTINUE TO DROP DURING THE AFTERNOON...HOWEVER IT SHOULD BOTTOM OUT AROUND 50 PERCENT. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS THIS EVENING. CHANCE OF THUNDERSTORMS LATE IN THE NIGHT. MIN TEMPERATURE.....AROUND 63. MAX HUMIDITY........85 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH EARLY BECOMING LIGHT...THEN BECOMING SOUTH AROUND 5 MPH LATE IN THE NIGHT BECOMING LIGHT. SURROUNDING RIDGE...SOUTH 5 TO 10 MPH. RIDGETOP WIND.......SOUTH 5 TO 10 MPH. POP.................50 PERCENT. LAL.................1 UNTIL 2100...THEN 2 UNTIL 0400...THEN 3. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........65 62 58 55 60 65 WEATHER COV..... S CHC S CHC S CHC CHANCE CHANCE WEATHER TYPE....NONE TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............76 70 68 66 65 64 RH..............55 70 77 81 82 84 20 FT WIND......S 7 S 5 S 3 S 3 S 5 S 5 20 FT WIND GUST.10 5 5 RIDGETOP WIND...S 10 S 5 S 5 S 5 S 5 S 5 MIX HGT (FT)....1200 600 400 500 400 300 TRANSPORT WIND..SW 12 S 7 S 7 S 9 S 7 S 6 HAINES INDEX....3 3 3 3 3 3 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY. CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON...THEN A SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 79. MIN HUMIDITY........53 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH UNTIL EVENING. SURROUNDING RIDGE...SOUTH 5 TO 10 MPH. RIDGETOP WIND.......SOUTH 5 TO 10 MPH. POP.................50 PERCENT. LAL.................3 UNTIL 1600...THEN 2 UNTIL 1900...THEN 1. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 3100-3800 FT AGL LATE IN THE AFTERNOON...THEN DECREASING TO 1800 FT AGL IN THE EVENING. TRANSPORT WINDS.....SOUTH 6 TO 10 MPH INCREASING TO 16 TO 20 MPH LATE IN THE AFTERNOON. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........70 68 66 65 61 57 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............64 69 74 76 78 77 RH..............83 72 63 57 54 55 20 FT WIND......S 3 S 5 S 5 S 6 S 8 S 9 20 FT WIND GUST.5 10 10 10 RIDGETOP WIND...S 5 S 5 S 5 S 5 S 10 S 10 MIX HGT (FT)....300 700 1100 1700 3300 3100 TRANSPORT WIND..S 6 SW 8 SW 7 S 6 S 16 S 18 HAINES INDEX....3 3 3 3 3 3 $$ FORECASTER...JACOBSON REQUESTED BY...M GANDY FMO TYPE OF REQUEST...WILDFIRE .TAG 20130416.GRAVE.01/JKL