FNUS71 KRNK 251835 FWSRNK SPOT FORECAST FOR BIG HOLLOW FIRE...USFS NATIONAL WEATHER SERVICE BLACKSBURG VA 235 PM EDT SAT SEP 25 2010 FORECAST IS BASED ON REQUEST TIME OF 1416 EDT ON SEPTEMBER 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WINDS MAY GUST TO 20 MPH AT TIMES...RH MAY FALL TO 30 PERCENT THIS AFTERNOON WITH TEMPS RISING A FEW MORE DEGREES. WITH DRIER AIR IN PLACE AND WINDS BECOMING LIGHT...TEMPS AND MIXING HEIGHTS SHOULD FALL OFF RATHER QUICKLY TONIGHT WITH CLOUDS AROUND 10000 FEET ARRIVING AROUND MIDNIGHT...CAUSING TEMPS TO STEADY OR RISE A FEW DEGREES TOWARDS MORNING. A SHIFT IN THE UPPER LEVEL JET STREAM WILL RESULT IN A WET PERIOD BEGINNING SUNDAY. THE FRONT THAT STALLS OVER THE CAROLINAS TONIGHT WILL LIFT SLOWLY NORTH INTO THE REGION SUNDAY AND MONDAY. AN AREA OF LOW PRESSURE IS EXPECTED TO FORM ALONG THE FRONT AND MOVE DIRECTLY OVER THE MID ATLANTIC REGION. THIS SHOULD PROVIDE A 24 TO 48 HOUR PERIOD OF WIDESPREAD WETTING RAIN. SEVERAL INCHES OF RAIN IS LIKELY...THE HEAVIEST OF THE RAIN FALLING SUNDAY NIGHT AND MONDAY. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT)...THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........79 PERCENT. WIND (20 FT)........WEST WINDS 5 TO 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTH 5 TO 7 MPH IN THE LATE EVENING AND EARLY MORNING...BECOMING LIGHT AND VARIABLE. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......1300 FT AGL THEN FALLING TO 250 FT AGL. TRANSPORT WINDS.....NORTH 7 TO 13 MPH...BECOMING EAST AROUND 6 MPH LATE. EYE LEVEL WINDS.....WEST WINDS 5 TO 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTH 5 TO 7 MPH IN THE LATE EVENING AND EARLY MORNING...BECOMING LIGHT AND VARIABLE. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............35 33 38 50 55 63 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TEMP................77 70 64 57 57 61 RH..................37 49 57 63 63 57 20 FT WIND..........W 5 NW 3 NW 5 N 5 N 5 NE 2 20 FT WIND GUST.....15 10 10 10 10 5 EYE LEVEL WIND......W 4 NW 2 NW 4 N 4 N 4 NE 2 EYE LVL WND GST.....15 10 10 10 10 5 CWR.................0 0 10 10 20 20 .SUNDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). A CHANCE OF SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........56 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 6 MPH EARLY IN THE MORNING...THEN BECOMING LIGHT AND VARIABLE EARLY IN THE AFTERNOON. CWR (0.01 IN).......40 PERCENT. MIXING HEIGHT.......3800 FT AGL. TRANSPORT WINDS.....EAST 6 TO 12 MPH. EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 6 MPH EARLY IN THE MORNING...THEN BECOMING LIGHT AND VARIABLE EARLY IN THE AFTERNOON. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............70 77 84 91 96 99 WEATHER COV......... CHANCE CHANCE CHANCE WEATHER TYPE........ RNSHWR RNSHWR RNSHWR TEMP................60 62 65 63 62 61 RH..................59 57 63 60 62 64 20 FT WIND..........E 2 NE 4 E 5 E 5 E 3 NE 3 20 FT WIND GUST.....5 5 10 10 5 5 EYE LEVEL WIND......E 2 NE 3 E 4 E 4 E 2 NE 2 EYE LVL WND GST.....5 5 10 10 5 5 CWR.................30 30 30 40 40 40 $$ FORECASTER...MATTAROCHIA REQUESTED BY...STEVE SMESTAD TYPE OF REQUEST...WILDFIRE .TAG 20100925.BIGHO.01/RNK