FNUS71 KRNK 281048 FWSRNK SPOT FORECAST FOR TAR JACKET RX...USFS NATIONAL WEATHER SERVICE BLACKSBURG VA 548 AM EST TUE FEB 28 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EST ON FEBRUARY 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL BUILD INTO THE AREA FROM THE NORTH THIS MORNING AND WEDGE SOUTH ALONG THE BLUE RIDGE THIS AFTERNOON. THIS WILL CAUSE WINDS TO QUICKLY TURN FROM NORTHWEST BACK TO THE SOUTH AND SOUTHEAST THIS AFTERNOON BUT REMAINING FAIRLY LIGHT. TEMPS WILL WARM TO THE MID- 50S TO LOW 60S BY TUESDAY AFTERNOON WITH RELATIVE HUMIDITIES FALLING MAINLY INTO THE 25 TO 35 PERCENT RANGE DURING THE AFTERNOON. TRANSPORT WINDS WILL BE FROM THE NORTH TO NORTHWEST EARLY THIS MORNING...THEN TURNING EAST TO SOUTHEAST BY EARLY AFTERNOON...THEN SOUTH BUT MAINLY BELOW 10-15 KNOTS. MIXING HEIGHTS WILL REMAIN BELOW 1000 FEET IN THE VALLEYS THIS MORNING BUT INCREASE ALL AREAS TO AROUND 2200 FEET IN THE AFTERNOON. HOWEVER NOT EXPECTING TO BE ABLE TO REACH MIXING HEIGHTS SEEN ON MONDAY AS APPEARS 3000 FEET WILL BE THE MAX WITH LESS VENTILATION TODAY. MOISTURE WILL INCREASE AGAIN OVERNIGHT AHEAD OF A WARM FRONT WITH RAIN PUSHING ACROSS THE MOUNTAINS BY WEDNESDAY MORNING. MORE WIDESPREAD RAIN IS EXPECTED DURING WEDNESDAY WITH SHOWERS AND PERHAPS A FEW THUNDERSTORMS LATE WEDNESDAY INTO WEDNESDAY NIGHT AS A COLD FRONT PASSES THROUGH. DRY WEATHER RETURNS BRIEFLY ON THURSDAY UNDER HIGH PRESSURE BEFORE YET ANOTHER FRONTAL SYSTEM BRINGS BACK MORE WET WEATHER WITH RAIN CHANCES INCREASING LATER FRIDAY THROUGH SATURDAY. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 53. MIN HUMIDITY........30 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH EARLY IN THE MORNING...BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH AROUND 5 MPH LATE. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......600 FT AGL EARLY RISING TO 2000-2200 FEET THIS AFTERNOON. TRANSPORT WINDS.....NORTHWEST 7 TO 15 MPH...BECOMING SOUTH 3 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. TIME (EST) 11 AM 1 PM 3 PM 5 PM SKY (%).............12 20 30 42 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE TSTM COV............ TEMP................45 49 50 45 RH..................37 32 38 47 20 FT WIND..........NW 2 S 2 S 3 S 4 20 FT WIND GUST.....5 5 5 10 CWR.................0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT)...THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. A CHANCE OF SHOWERS LATE...THEN SHOWERS LIKELY LATE. MIN TEMPERATURE.....AROUND 38. MAX HUMIDITY........88 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH. CWR (0.01 IN).......60 PERCENT. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....SOUTH 3 TO 10 MPH...DECREASING TO AROUND 0 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............48 61 73 85 92 94 WEATHER COV......... S CHC CHANCE WEATHER TYPE........NONE NONE NONE NONE RNSHWR RNSHWR TSTM COV............ TEMP................42 45 43 42 41 41 RH..................50 45 54 59 64 70 20 FT WIND..........S 5 S 5 S 5 S 6 S 6 S 8 20 FT WIND GUST.....10 10 10 15 15 15 CWR.................0 0 10 10 20 50 $$ FORECASTER...HUDGINS REQUESTED BY...TED DOCEV TYPE OF REQUEST...PRESCRIBED .TAG 20120228.TARJA.02/RNK