FNUS73 KJKL 062228 FWSJKL SPOT FORECAST FOR CHESTNUT CLIFFS...USFS NATIONAL WEATHER SERVICE JACKSON KY 628 PM EDT WED APR 6 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 07. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... .DISCUSSION...BRISK SOUTHWEST WINDS AND VERY DRY AIR WERE RESULTING IN RED FLAG CONDITIONS IN SOME LOCATIONS LATE IN THE AFTERNOON. THE WIND WILL SUBSIDE AS SUNSET APPROACHES. RELATIVE HUMIDITY WILL SHOW ONLY A WEAK RECOVERY ON RIDGES TONIGHT...ONLY RISING INTO THE 50S AS A LIGHT BREEZE STIRS THROUGH THE NIGHT. HOWEVER...SHELTERED VALLEYS WILL SEE THE WINDS DIMINISH FURTHER...WHICH WILL RESULT IN COOLER TEMPERATURES AND RELATIVE HUMIDITY REACHING AROUND 90 PERCENT. HIGH PRESSURE WHICH WAS ALONG THE SOUTHEAST COAST WILL MOVE OUT TO SEA AS A COLD FRONT APPROACHES FROM THE NORTH ON THURSDAY. WITH THE HIGH DEPARTING...OUR PRESSURE GRADIENT WILL BE LESS ON THURSDAY AND WINDS WILL BE MUCH LIGHTER. DEW POINTS WILL ALSO BEGIN TO CLIMB...WHICH WILL RESULT IN HIGHER HUMIDITY...BUT STILL ON THE DRY SIDE. THE FRONT WILL STALL AS IT REACHES THE AREA...AND A WAVE OF LOW PRESSURE TRAVELING ALONG THE FRONT WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS THURSDAY NIGHT AND FRIDAY. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....43-48. MAX HUMIDITY........AROUND 60 PERCENT ON RIDGES AND 70-80 PERCENT ELSEWHERE. WIND (20 FT)........SOUTHWEST WINDS 10-15 MPH EARLY...DIMINISHING TO 5-10 MPH ON RIDGES AND 5 MPH OR LESS ELSEWHERE. POP.................10 PERCENT. LAL.................1. HAINES INDEX........3 TO 4 OR OR VERY LOW TO LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........11 14 17 20 27 38 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............61 56 53 51 49 47 RH..............32 41 50 61 65 69 20 FT WIND......SW 7 SW 6 SW 6 SW 6 SW 5 SW 5 20 FT WIND GUST.10 10 10 HAINES INDEX....4 4 4 3 3 3 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....69 ON NORTH SLOPES TO 75 ON SOUTH SLOPES. MIN HUMIDITY........35 PERCENT ON SOUTH SLOPES TO 43 PERCENT ON NORTH SLOPES. WIND (20 FT)........SOUTHWEST WINDS 4 TO 8 MPH ON RIDGES AND IN VALLEYS. POP.................10 PERCENT. LAL.................1. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5800 FT AGL. TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH. DISPERSION INDEX....59. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........45 50 57 62 66 71 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............46 57 64 69 72 72 RH..............72 56 48 37 37 39 20 FT WIND......SW 6 SW 5 SW 4 W 4 W 6 SW 5 20 FT WIND GUST.10 5 5 10 10 HAINES INDEX....2 2 2 2 2 2 $$ FORECASTER...HAL REQUESTED BY...DISPATCH TYPE OF REQUEST...PRESCRIBED .TAG 20110407.CHEST.01/JKL