FNUS73 KJKL 141007 FWSJKL SPOT FORECAST FOR HEATH...DANIEL BOONE NF NATIONAL WEATHER SERVICE JACKSON KY 607 AM EDT THU MAR 14 2013 FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON MARCH 14. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AFTER A COLD START TO THE DAY...SUNSHINE WILL RETURN TODAY...BOOSTING TEMPERATURES INTO THE MID 40S THIS AFTERNOON. MODEST MIXING HEIGHTS AND VERY DRY BOUNDARY LAYER CONDITIONS WILL ALLOW AFTERNOON RELATIVE HUMIDITIES TO AROUND 25 PERCENT. IF DEWPOINTS FALL A DEGREE UNDER FORECAST VALUES...WE COULD SEE RELATIVE HUMIDITIES FALL UNDER 25 PERCENT. WINDS WILL REMAIN VERY LIGHT OUT OF THE WEST INTO THIS AFTERNOON CREATING SOMEWHAT POOR VENTILATION. A FAST MOVING CLIPPER SYSTEM WILL BRING SOME ISOLATED TO SCATTERED RAIN SHOWERS THIS EVENING INTO THE OVERNIGHT HOURS. HIGH PRESSURE WILL RETURN FRIDAY WITH EVEN WARMER CONDITIONS EXPECTED. RELATIVE HUMIDITIES FRIDAY AFTERNOON MAY FALL UNDER 30 PERCENT ONCE AGAIN. SLIGHTLY STRONGER SOUTHWEST WINDS ARE ANTICIPATED FOR FRIDAY. A WET WEEKEND IS ON TAP WITH SEVERAL OPPORTUNITIES FOR RAIN FROM SATURDAY THROUGH EARLY NEXT WEEK. .TODAY... SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY LATE. MAX TEMPERATURE.....AROUND 46. MIN HUMIDITY........25 PERCENT. WIND (20 FT)........LIGHT WINDS. SURROUNDING RIDGE...NORTH 0 TO 5 MPH SHIFTING TO THE WEST AROUND 5 MPH UNTIL EVENING. RIDGETOP WIND.......NORTH 0 TO 5 MPH SHIFTING TO THE WEST AROUND 5 MPH UNTIL EVENING. POP.................30 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5500 FT AGL. TRANSPORT WINDS.....WEST 10 TO 15 MPH. DISPERSION INDEX....72. TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM SKY (%).........4 11 15 22 35 42 54 77 WEATHER COV..... SCT WEATHER TYPE.... RW TEMP............39 42 45 46 46 46 44 42 RH..............32 28 26 25 25 25 29 36 20 FT WIND DIR..W W W W W W W W 20 FT WIND SPD..3 3 3 3 3 3 3 3 20 FT WIND GUST.5 5 5 5 5 5 5 5 HAINES INDEX....5 5 5 5 5 5 5 5 MIXING HGT IN 1000 FEET AGL...3.9 4.5 4.8 5.0 5.4 5.5 4.2 1.7 TRANS WIND SPD..10 12 13 14 13 13 12 12 DISP INDEX......38 53 63 68 72 72 53 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. SCATTERED RAIN SHOWERS EARLY...THEN ISOLATED RAIN SHOWERS LATE AT NIGHT. MIN TEMPERATURE.....AROUND 34. MAX HUMIDITY........82 PERCENT. WIND (20 FT)........CALM WINDS. SURROUNDING RIDGE...CALM WINDS. RIDGETOP WIND.......CALM WINDS. POP.................40 PERCENT. HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........89 97 96 83 43 30 WEATHER COV.....SCTTRD SCTTRD SCTTRD SCTTRD ISOLTD WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR NONE TEMP............40 37 36 35 35 35 RH..............44 63 79 82 78 72 20 FT WIND......W 3 NW 2 N 1 E 1 NE 1 E 1 20 FT WIND GUST.5 5 HAINES INDEX....5 5 5 3 3 3 MIXING HGT IN 1000 FEET AGL...0 0 0 0 0 0 TRANS WIND SPD..11 11 8 4 5 6 DISP INDEX......5 5 3 1 1 2 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........32 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH IN THE AFTERNOON. SURROUNDING RIDGE...SOUTHWEST 0 TO 5 MPH INCREASING TO 5 TO 10 MPH IN THE AFTERNOON. RIDGETOP WIND.......SOUTHWEST 0 TO 5 MPH INCREASING TO 5 TO 10 MPH IN THE AFTERNOON. POP.................0 PERCENT. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500 FT AGL. TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH. DISPERSION INDEX....66. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........32 35 38 47 48 50 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............34 43 52 59 62 61 RH..............71 60 47 35 32 39 20 FT WIND......S 1 S 3 SW 6 SW 6 SW 6 SW 5 20 FT WIND GUST. 5 15 15 15 10 HAINES INDEX....2 2 2 3 3 3 MIXING HGT IN 1000 FEET AGL...0 0.5 1.4 2.9 3.4 2.7 TRANS WIND SPD..8 14 18 19 20 16 DISP INDEX......2 10 26 56 66 44 $$ FORECASTER...SULLIVAN REQUESTED BY...DISPATCH TYPE OF REQUEST...PRESCRIBED .TAG 20130314.HEATH.01/JKL