FNUS71 KRNK 081709 FWSRNK SPOT FORECAST FOR FASSIFERN FIRE...USFS NATIONAL WEATHER SERVICE BLACKSBURG VA 109 PM EDT THU APR 8 2010 FORECAST IS BASED ON REQUEST TIME OF 1248 EDT ON APRIL 08. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WE FINALLY BREAK THE WARM AND DRY SPELL THURSDAY AS SHOWERS AND THUNDERSTORMS ARE LIKELY WITH A STRONG COLD FRONTAL PASSAGE. THE WINDS WILL BE BREEZY AHEAD OF THE FRONT THURSDAY AND BLUSTERY BEHIND IT FRIDAY. THE WEATHER BEHIND THIS FRONT WILL BE MORE SEASONAL THAN CURRENT WEATHER CONDITIONS WITH COOLER TEMPERATURES EXPECTED FOR FRIDAY...AND NEAR SEASONAL TEMPERATURES FOR THE WEEKEND. HUMIDITY LEVELS WILL DROP INTO THE 20S EAST OF THE BLUE RIDGE FRIDAY AND SATURDAY AFTERNOON WITH A WEST WIND UP TO 15 MPH. HUMIDITIES WILL RECOVER EACH NIGHT WITH FROST POSSIBLE SATURDAY AND SUNDAY MORNING. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT)...THEN BECOMING MOSTLY CLOUDY (80-90 PERCENT). SHOWERS WITH THUNDERSTORMS LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........50 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 6 TO 11 MPH WITH GUSTS UP TO 25 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE. CWR (0.01 IN).......90 PERCENT. MIXING HEIGHT.......7000 FT AGL DECREASING THIS AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH...INCREASING TO 17 TO 26 MPH IN THE AFTERNOON. WIND (EYE LEVEL)....LIGHT AND VARIABLE WINDS...BECOMING WEST 6 TO 11 MPH IN THE LATE MORNING AND AFTERNOON. TIME (EDT) NOON 2 PM 4 PM SKY (%).............37 90 95 WEATHER COV.........S CHC LIKELY DEFNTE WEATHER TYPE........RNSHWR RNSHWR RNSHWR TEMP................73 67 64 MIN HUMIDITY........55 65 70 WIND (20 FT)........SW 8 SW 10 W 9 20 FT WIND GUST.....10 35 30 WIND (EYE LEVEL)....SW 6 SW 8 W 7 EYE LVL WND GST.....10 30 20 CWR.................20 70 90 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 39. MAX HUMIDITY........83 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING. CWR (0.01 IN).......70 PERCENT. MIXING HEIGHT.......3400 FT AGL. TRANSPORT WINDS.....NORTHWEST 26 TO 35 MPH...DECREASING TO 24 TO 25 MPH LATE. WIND (EYE LEVEL)....WEST WINDS 6 TO 9 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............94 98 99 97 92 75 WEATHER COV.........DEFNTE LIKELY LIKELY CHANCE S CHC S CHC WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP................62 58 50 48 44 41 MIN HUMIDITY........60 62 63 65 66 68 WIND (20 FT)........W 7 W 6 W 10 NW 10 NW 5 W 6 20 FT WIND GUST.....15 15 25 15 15 15 WIND (EYE LEVEL)....W 5 W 4 W 8 W 5 NW 4 W 4 EYE LVL WND GST.....15 15 25 15 15 15 CWR.................90 60 60 50 20 20 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). MAX TEMPERATURE.....AROUND 48. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........WEST WINDS 9 TO 14 MPH. GUSTS UP TO 25 MPH LATE IN THE MORNING. CWR (0.01 IN).......20 PERCENT. MIXING HEIGHT.......5500 FT AGL. TRANSPORT WINDS.....WEST 22 TO 31 MPH. WIND (EYE LEVEL)....WEST WINDS 9 TO 14 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............72 84 80 76 70 65 WEATHER COV......... S CHC S CHC WEATHER TYPE........NONE NONE NONE NONE RNSHWR RNSHWR TEMP................42 40 43 45 46 47 MIN HUMIDITY........77 81 68 58 50 45 WIND (20 FT)........W 6 W 6 W 8 W 10 W 10 W 10 20 FT WIND GUST.....15 15 15 20 25 25 WIND (EYE LEVEL)....W 4 W 4 W 6 W 7 W 8 W 8 EYE LVL WND GST.....15 15 15 20 25 25 CWR.................10 10 10 10 20 20 $$ FORECASTER...MATTAROCHIA REQUESTED BY...STEVE SMESTAD TYPE OF REQUEST...WILDFIRE .TAG 20100408.FASSI.02/RNK