FNUS71 KRNK 151148 FWSRNK SPOT FORECAST FOR GRAYSON HIGHLANDS STATE PARK...VA DCR NATIONAL WEATHER SERVICE BLACKSBURG VA 748 AM EDT THU MAR 15 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE IS ANCHORED OVER THE WESTERN ATLANTIC. A COLD FRONT STRETCHED FROM THE WESTERN GREAT LAKES INTO THE CENTRAL PLAINS. THE SURFACE FRONT IS EXPECTED TO MOVE SOUTHEAST INTO THE OHIO VALLEY TODAY...THEN DISSIPATE OVER THE REGION FRIDAY. SHOWERS ADVANCING ACROSS EASTERN KENTUCKY THIS MORNING ARE EXPECTED TO DISSIPATE. HOWEVER...CLOUD DEBRIS FROM THIS SHOWER ACTIVITY WILL LIKELY MOVE THROUGH THE AREA BETWEEN 1000 AND 1300 LST. IN SPITE OF THE CLOUD COVER...STILL ANTICIPATE SOME FAIRLY DEEP MIXING ONCE THE SUN POPS BACK OUT DURING THE AFTERNOON. .TODAY... SKY/WEATHER.........A PERIOD OF DENSE CLOUD COVER (70-80 PERCENT) BETWEEN 1000 AND 1300 LST...FOLLOWED BY PARTLY SUNNY SKIES. A SLIGHT CHANCE OF A SHOWER EARLY IN THE AFTERNOON. A CHANCE OF A THUNDERSTORM THUNDERSTORM LATE IN THE DAY. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........48 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO 7 MPH LATE IN THE MORNING. CWR (0.01 IN).......30 PERCENT. MIXING HEIGHT.......1700 FT AGL...INCREASING TO 3000 FT AGL BY MID AFTERNOON. TRANSPORT WINDS.....WEST 5 TO 12 MPH. TIME (EDT) 11 AM 1 PM 3 PM 5 PM SKY (%).............80 63 59 70 WEATHER COV......... CHANCE CHANCE WEATHER TYPE........NONE NONE RNSHWR RNSHWR TSTM COV............ CHANCE CHANCE TEMP................56 59 61 62 RH..................58 55 51 48 20 FT WIND..........W 4 W 5 W 6 W 6 20 FT WIND GUST.....10 10 15 15 CWR.................10 10 30 30 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....AROUND 50. MAX HUMIDITY........83 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. CWR (0.01 IN).......30 PERCENT. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....SOUTHWEST 5 TO 13 MPH...DECREASING TO 2 TO 3 MPH AFTER MIDNIGHT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............79 80 83 87 88 86 WEATHER COV.........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV............CHANCE CHANCE CHANCE TEMP................61 58 57 55 54 53 RH..................52 62 69 74 77 79 20 FT WIND..........W 5 SW 3 SW 2 SW 2 SW 2 SW 2 20 FT WIND GUST.....10 5 5 5 CWR.................30 30 30 30 30 30 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........59 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 EARLY IN THE AFTERNOON. CWR (0.01 IN).......70 PERCENT. MIXING HEIGHT.......2000 FT AGL...INCREASING TO 2900 FT AGL EARLY IN THE AFTERNOON. TRANSPORT WINDS.....WEST 2 TO 10 MPH...INCREASING TO 12 TO 13 MPH LATE. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............81 73 80 86 91 95 WEATHER COV.........CHANCE CHANCE CHANCE CHANCE LIKELY LIKELY WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV............ CHANCE CHANCE TEMP................52 50 54 58 60 62 RH..................81 83 74 67 63 60 20 FT WIND..........W 2 W 2 W 4 W 5 W 6 W 6 20 FT WIND GUST.....5 5 10 10 15 15 CWR.................40 40 40 40 60 70 $$ FORECASTER...MANUEL REQUESTED BY...FORREST ATWOOD TYPE OF REQUEST...PRESCRIBED .TAG 20120315.GRAYS.01/RNK