FNUS71 KRNK 312223 FWSRNK SPOT FORECAST FOR RAINBOW ROCKS...U. S. FOREST SERVICE NATIONAL WEATHER SERVICE BLACKSBURG VA 623 PM EDT WED AUG 31 2011 FORECAST IS BASED ON REQUEST TIME OF 1811 EDT ON AUGUST 31. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL KEEP THE AREA MAINLY DRY OVER THE NEXT COUPLE OF DAYS. WITH LOSS OF HEATING WILL SEE THE VALLEY INVERSION SET UP AGAIN TONIGHT WITH WINDS GOING NEAR CALM AND PATCHY FOG IN SPOTS. INVERSION SHOULD BREAK BY MID MORNING THURSDAY ALTHOUGH WINDS AGAIN WILL BE QUITE LIGHT AND VARIABLE...MAINLY WEST TO SOUTHWEST THROUGH MUCH OF THE DAY. AFTERNOON HUMIDITY LEVELS SHOULD REMAIN SIMILAR TO THOSE SEEN TODAY WITH ONLY AN ISOLATED SHOWER OR STORM THREAT MAINLY LATE IN THE AFTERNOON OR EARLY EVENING. THE HIGH THEN SLIDES EAST OVER THE WEEKEND ALLOWING A FRONT TO DROP IN FROM THE OHIO VALLEY AROUND THE SUNDAY-MONDAY TIME FRAME. THE CHANCE FOR SCATTERED SHOWERS AND THUNDERSTORMS WILL SLOWLY INCREASE DURING THE WEEKEND AHEAD OF THIS FRONT. .REST OF TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........92 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......1800 FT AGL...DECREASING TO 300 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 0 TO 2 MPH. EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............56 48 45 39 32 34 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................83 74 68 65 63 62 RH..................49 63 74 80 79 81 20 FT WIND..........S 3 S 2 S 2 S 2 S 2 W 1 20 FT WIND GUST.....5 5 5 EYE LEVEL WIND......S 2 S 2 S 1 S 1 S 1 W 1 EYE LVL WND GST.....5 5 5 CWR.................0 0 0 0 10 10 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........45 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR (0.01 IN).......20 PERCENT. MIXING HEIGHT.......2200 FT AGL...INCREASING TO 6300 FT AGL. TRANSPORT WINDS.....SOUTH AROUND 0 MPH...BECOMING NORTH 1 TO 2 MPH LATE IN THE MORNING...THEN BECOMING SOUTH 3 TO 7 MPH IN THE AFTERNOON. EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............37 39 47 51 50 56 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................60 62 71 78 83 86 RH..................87 82 64 53 47 45 20 FT WIND..........W 1 W 2 W 2 SW 2 S 5 S 5 20 FT WIND GUST..... 5 7 7 EYE LEVEL WIND......W 1 W 1 W 1 SW 1 S 2 S 2 EYE LVL WND GST..... 5 5 5 CWR.................10 10 10 10 10 20 .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT)...THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....AROUND 61. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......2600 FT AGL...DECREASING TO 300 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 0 TO 6 MPH. EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............57 47 40 35 32 30 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................83 76 72 68 66 65 RH..................51 67 75 81 86 91 20 FT WIND..........S 3 S 2 S 2 S 1 S 1 SW 1 20 FT WIND GUST.....5 5 EYE LEVEL WIND......S 2 S 2 S 1 S 1 S 1 SW 1 EYE LVL WND GST.....5 5 CWR.................10 10 10 10 0 0 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 89. MIN HUMIDITY........47 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......1400 FT AGL...INCREASING TO 6000 FT AGL. TRANSPORT WINDS.....NORTHWEST 0 TO 9 MPH. EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............30 32 37 42 46 47 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................63 65 73 80 85 87 RH..................99 93 70 58 50 47 20 FT WIND..........SW 1 SW 2 W 2 W 4 W 5 W 5 20 FT WIND GUST..... 5 7 8 8 EYE LEVEL WIND......SW 1 SW 1 W 2 W 2 W 2 W 2 EYE LVL WND GST..... 5 5 5 5 CWR.................0 10 10 0 10 10 $$ FORECASTER...HUDGINS REQUESTED BY...GWJ NF TYPE OF REQUEST...WILDFIRE .TAG 20110831.RAINB.01/RNK