FNUS71 KRNK 301145 FWSRNK SPOT FORECAST FOR BLUFF MOUNTAIN...NCFS NATIONAL WEATHER SERVICE BLACKSBURG VA 745 AM EDT FRI APR 30 2010 FORECAST IS BASED ON IGNITION TIME OF 1130 EDT ON APRIL 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ...A LITTLE STRONGER WINDS TODAY BUT HUMIDITY SLOWLY INCREASES... SOUTHWEST WINDS WILL INCREASE SOME TODAY AS HIGH PRESSURE MOVES TO JUST OFF THE SOUTHEAST U.S. COAST. HOWEVER...HUMIDITY LEVELS WILL ALSO BE A LITTLE HIGHER TODAY AS THE FLOW OFF THE GULF OF MEXICO BRINGS HIGHER DEW POINTS INTO THE REGION. MINIMUM HUMIDITY LEVELS THIS AFTERNOON ARE EXPECTED TO BE NEAR 20 PERCENT IN HIGHER ELEVATIONS. ISOLATED TO SCATTERED THUNDERSTORMS MAY DEVELOP SATURDAY AFTERNOON AND EVENING...WITH THE BEST COVERAGE ALONG AND WEST OF THE BLUE RIDGE. BETTER COVERAGE OF SHOWERS AND THUNDERSTORMS IS EXPECTED FROM SUNDAY EVENING INTO MONDAY AS A COLD FRONT SAGS INTO THE REGION. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........20 PERCENT. WIND (20 FT)........SOUTHWEST 1 TO 3 MPH...INCREASING 5 TO 8 MPH IN THE AFTERNOON. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......5800 FT AGL. TRANSPORT WINDS.....SOUTHWEST 4 TO 8 MPH...INCREASING TO 12 TO 15 MPH IN THE AFTERNOON. HAINES INDEX........5 TO 6 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............7 9 11 13 14 15 16 WEATHER COV......... WEATHER TYPE........ TEMP................65 68 70 72 73 75 74 MIN HUMIDITY........30 27 22 21 23 25 27 20 FT WIND DIR......W SW SW SW SW SW SW 20 FT WIND SPD......3 4 5 5 6 6 6 20 FT WIND GUST.....10 10 10 15 15 15 15 MIX HGT (KFT).......5.8 5.8 5.8 5.8 5.8 5.8 5.8 TRANSP WIND DIR...SW SW SW SW SW SW SW TRANSP WIND SPD...5 8 12 14 15 15 15 CWR.................0 0 0 0 0 0 0 HAINES INDEX........5 5 5 6 6 6 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........82 PERCENT. WIND (20 FT)........SOUTHWEST WINDS AROUND 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....SOUTHWEST 16 TO 23 MPH...INCREASING TO 26 TO 31 MPH LATE IN THE EVENING...THEN BECOMING SOUTH AROUND 18 MPH LATE...DECREASING TO 0 TO 7 MPH LATE. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............16 18 19 22 28 39 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................74 69 65 62 59 58 MIN HUMIDITY........35 45 54 63 70 77 WIND (20 FT)........SW 5 S 3 S 2 S 1 SW 1 SW 1 20 FT WIND GUST.....15 5 5 CWR.................0 10 10 10 10 10 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........56 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. CWR (0.01 IN).......40 PERCENT. MIXING HEIGHT.......4200 FT AGL. TRANSPORT WINDS.....SOUTH AROUND 8 MPH...INCREASING TO SOUTHWEST AROUND 20 MPH EARLY IN THE MORNING...THEN INCREASING TO 21 TO 30 MPH EARLY IN THE MORNING...BECOMING WEST 14 TO 21 MPH LATE IN THE MORNING. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............55 72 70 67 64 66 WEATHER COV......... CHANCE CHANCE CHANCE WEATHER TYPE........NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP................55 58 63 67 70 72 MIN HUMIDITY........88 83 73 66 61 58 WIND (20 FT)........W 2 W 2 W 4 W 5 W 6 W 6 20 FT WIND GUST..... 5 10 15 15 15 CWR.................10 10 10 40 40 40 $$ FORECASTER...JACKSON REQUESTED BY...MARGIT BUCHER TYPE OF REQUEST...PRESCRIBED .TAG 20100430.BLUFF.01/RNK