FNUS73 KJKL 041104 FWSJKL SPOT FORECAST FOR WIND CAVE...USFS NATIONAL WEATHER SERVICE JACKSON KY 704 AM EDT THU APR 4 2013 FORECAST IS BASED ON REQUEST TIME OF 1814 EDT ON APRIL 03. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...RESIDUAL DRY AIR BEHIND A DEPARTING RIDGE OF HIGH PRESSURE WILL LEAD TO THE LOWEST HUMIDITIES SHORTLY AFTER DAWN THIS MORNING HOURS. MOISTURE WILL GRADUALLY INCREASE ACROSS THE WIND CAVE FIRE AREA... AND RAIN WILL ATTEMPT TO MOVE IN BY MID TO LATE AFTERNOON...NORTH OF A LOW PRESSURE SYSTEM TRAVERSING THE GULF COAST STATES AND IN ADVANCE OF AN UPPER LEVEL TROUGH MOVING INTO THE REGION. THIS UPPER LEVEL TROUGH WILL MOVE ACROSS THE REGION TONIGHT WITH THE ASSOCIATED SURFACE LOW DEPARTING THE SOUTHEAST COAST ON FRIDAY...ENDING RAIN CHANCES OVERNIGHT TONIGHT. SURFACE AND UPPER LEVEL RIDGING WILL BUILD IN BEHIND THIS SYSTEM FOR THE WEEKEND...PROVIDING MILDER AND MAINLY DRY WEATHER. .TODAY... SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF RAIN IN THE EARLY AFTERNOON. A CHANCE OF RAIN LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 53. HUMIDITY............MIN AROUND 40 PERCENT EARLY...HUMIDITY GRADUALLY INCREASING THROUGH THE DAY. WIND (20 FT)........NORTHEAST TO EAST AROUND 5 MPH EARLY...BECOMING SOUTHEAST AROUND 5 MPH AROUND 1000...THEN BECOMING EAST AROUND 5 MPH AROUND 1800. SURROUNDING RIDGE...NORTHEAST TO EAST AROUND 6 MPH EARLY...BECOMING SOUTHEAST AROUND 7 MPH AROUND 1000...THEN BECOMING EAST AROUND 7 MPH AROUND 1800. RIDGETOP WIND.......NORTHEAST TO EAST AROUND 6 MPH EARLY...BECOMING SOUTHEAST AROUND 7 MPH AROUND 1000...THEN BECOMING EAST AROUND 7 MPH AROUND 1800. POP.................50 PERCENT. LAL.................1. HAINES INDEX........3 TO 4 OR VERY LOW POTENTIAL TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......AROUND 100 FT AGL EARLY...BECOMING 1100-1800 FT AGL AROUND 1000. TRANSPORT WINDS.....EAST AROUND 5 MPH EARLY...BECOMING SOUTHEAST 14 TO 20 MPH AROUND 1000...THEN BECOMING SOUTHEAST 6 TO 10 MPH AROUND 1400. DISPERSION INDEX....MAX 25. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........86 88 92 98 99 100 WEATHER COV..... CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE RAIN RAIN RAIN RAIN TEMP............36 41 46 50 51 50 RH..............47 46 49 52 57 62 20 FT WIND......E 5 SE 5 SE 5 SE 5 SE 3 E 3 20 FT WIND GUST. 5 5 RIDGETOP WIND...E 6 SE 7 SE 7 SE 7 SE 6 E 5 MIX HGT (FT)....100 1100 1500 1500 1700 1700 TRANSPORT WIND..E 5 SE 14 SE 18 SE 10 SE 8 SE 7 HAINES INDEX....4 4 4 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN EARLY...THEN SPRINKLES POSSIBLE BEFORE ENDING. MIN TEMPERATURE.....AROUND 37. MAX HUMIDITY........AROUND 88 PERCENT. WIND (20 FT)........EAST AROUND 3 MPH...BECOMING NORTHEAST AROUND 3 MPH AROUND 0000...THEN BECOMING NORTH AROUND 3 MPH AROUND 0400. SURROUNDING RIDGE...EAST AROUND 5 MPH...BECOMING NORTHEAST AROUND 5 MPH AROUND 0000...THEN BECOMING NORTH AROUND 5 MPH AROUND 0400. RIDGETOP WIND.......EAST AROUND 5 MPH...BECOMING NORTHEAST AROUND 5 MPH AROUND 0000...THEN BECOMING NORTH AROUND 5 MPH AROUND 0400. POP.................40 PERCENT. LAL.................1. 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 (%).........100 97 94 89 84 77 WEATHER COV.....CHANCE CHANCE S CHC CHANCE WEATHER TYPE....RAIN RAIN RAIN RNSHWR NONE NONE TEMP............48 45 42 40 39 38 RH..............67 72 76 80 81 84 20 FT WIND......E 3 E 3 NE 3 NE 3 N 3 N 3 20 FT WIND GUST.5 5 5 5 5 5 RIDGETOP WIND...E 5 E 5 NE 5 NE 5 N 5 N 5 MIX HGT (FT)....1700 900 700 600 600 500 TRANSPORT WIND..E 6 E 6 NE 6 NE 6 N 6 N 6 HAINES INDEX....3 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........AROUND 33 PERCENT. WIND (20 FT)........NORTH 3 TO 5 MPH EARLY...BECOMING NORTH AROUND 8 MPH AROUND 1200...SHIFTING TO THE NORTHWEST AT AROUND 7 MPH AROUND 1700. SURROUNDING RIDGE...NORTH 5 TO 7 MPH EARLY...BECOMING NORTH AROUND 10 MPH AROUND 1200...SHIFTING TO THE NORTHWEST AT AROUND 10 MPH AROUND 1700. RIDGETOP WIND.......NORTH 5 TO 7 MPH EARLY...BECOMING NORTH AROUND 10 MPH AROUND 1200...SHIFTING TO THE NORTHWEST AT AROUND 10 MPH AROUND 1700. POP.................0 PERCENT. LAL.................1. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL TO LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......200-900 FT AGL EARLY...INCREASING TO 2200-4100 FT AGL AROUND 1100...THEN INCREASING TO 4300-5100 FT AGL BY 1400. MAX 5100 FT AGL. TRANSPORT WINDS.....NORTH TO NORTHEAST 4 TO 8 MPH EARLY...SHIFTING TO NORTHWEST AND INCREASING TO 8 TO 15 MPH BY 1400. DISPERSION INDEX....MAX 56. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........60 41 33 27 27 26 WEATHER COV.....PATCHY WEATHER TYPE....FOG NONE NONE NONE NONE NONE TEMP............37 45 52 58 59 59 RH..............88 66 49 37 34 34 20 FT WIND......N 3 N 5 N 7 N 8 N 8 NW 7 20 FT WIND GUST.5 8 10 10 10 10 RIDGETOP WIND...N 5 N 7 N 9 N 10 N 10 NW 10 MIX HGT (FT)....300 2200 3300 4600 5000 4300 TRANSPORT WIND..N 5 NE 8 N 13 NW 12 NW 13 NW 14 HAINES INDEX....4 4 4 3 3 3 $$ FORECASTER...PELTON REQUESTED BY...DISPATCH TYPE OF REQUEST...WILDFIRE .TAG 20130403.WINDC.01/JKL