FNUS71 KRNK 232144 FWSRNK SPOT FORECAST FOR BRADSHAW...ROANOKE COUNTY NATIONAL WEATHER SERVICE BLACKSBURG VA 544 PM EDT SAT MAR 23 2013 FORECAST IS BASED ON REQUEST TIME OF 1729 EDT ON MARCH 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... DRY CONDITIONS ACROSS THE REGION TODAY WILL QUICKLY GIVE WAY TO WET AND EVEN WINTER WEATHER CONDITIONS AS A COMPLEX STORM SYSTEM BEGINS TO AFFECT THE REGION. A COMPLEX UPPER-LEVEL LOW PRESSURE AREA WILL DEVELOP ACROSS THE CENTRAL AND SOUTHERN APPALACHIANS AND PERSIST THROUGH THE FIRST HALF OF THE WEEK. COLD AIR WILL FIRST SPREAD DOWN THE EAST SIDE OF THE APPALACHIANS AND BLUE RIDGE TONIGHT AND SUNDAY BEFORE A STRONG COLD FRONT MOVES THROUGH THE AREA FROM THE WEST SUNDAY NIGHT INTO MONDAY BRINGING MORE UNSEASONABLY COLD AIR INTO THE REGION FROM THE WEST. RAIN...SLEET...SNOW...AND POSSIBLY EVEN FREEZING RAIN ON ELEVATED OBJECTS AND TREES WILL IMPACT THE AREA THROUGH THE MID-PART OF NEXT WEEK. SNOW AND SLEET ACCUMULATIONS IN THE AFFECTED AREA SHOULD BE IN THE 1-3 INCH RANGE... BEGINNING SUNDAY MORNING AND CONTINUING THROUGH TUESDAY. ANOTHER UPPER-LOW COULD BRING ADDITIONAL HEAVIER SNOW TO THE REGION TUESDAY. WINTER WEATHER PRODUCTS WILL LIKELY BE NEEDED FOR THIS AREA. CURRENT RELATIVE HUMIDITY VALUES IN THE AFFECTED AREA ARE IN THE 25-30 PERCENT RANGE...BUT WILL RISE ABOVE 30 PERCENT BY 6 PM EDT. WINDS ARE LIGHT NORTHWEST ACROSS THE AREA. CRITICAL FIRE WEATHER CONDITIONS ARE NOT EXPECTED TO RETURN TO THE AREA DURING THE NEXT SEVERAL DAYS. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)...THEN BECOMING MOSTLY CLOUDY (65-75 PERCENT). MIN TEMPERATURE.....AROUND 30. MAX HUMIDITY........85 PERCENT. WIND (20 FT)........LIGHT NORTHWEST WINDS BECOMING LIGHT NORTHEAST BEFORE DAYBREAK. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......2100 FT AGL...DROPPING TO AROUND 300 FT AGL. AFTER 8 PM EDT. TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH...BECOMING NORTHEAST 10 TO 15 MPH BEFORE DAYBREAK. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............43 56 44 52 73 87 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................46 41 39 37 36 35 RH..................40 51 58 62 65 69 20 FT WIND..........NW 3 NW 4 N 4 NE 3 NE 3 E 4 20 FT WIND GUST.....5 10 10 5 5 10 MIX HGT (FT)........2100 300 300 300 300 300 TRANSPORT WIND......W 10 NW 8 N 5 N 8 E 17 E 18 CWR.................0 0 10 10 10 10 HAINES INDEX........2 2 3 3 3 2 .SUNDAY... SKY/WEATHER.........CLOUDY (95-100 PERCENT). SLEET AND SNOW IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 32. MIN HUMIDITY........69 PERCENT. WIND (20 FT)........EAST WINDS 6 TO 7 MPH. CWR (0.01 IN).......90 PERCENT. MIXING HEIGHT.......300 FT AGL IN THE MORNING RISING TO 1200 FT AGL DURING THE AFTERNOON. TRANSPORT WINDS.....EAST 20 TO 25 MPH. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............95 99 100 100 100 100 WEATHER COV.........S CHC CHANCE DEFNTE DEFNTE DEFNTE DEFNTE WEATHER TYPE........SLEET SLEET SLEET SNOW SNOW SNOW TSTM COV............ TEMP................33 30 31 31 32 32 RH..................75 85 86 88 91 95 20 FT WIND..........E 5 E 5 E 5 E 6 E 5 E 5 20 FT WIND GUST.....10 10 10 15 10 10 EYE LEVEL WIND......E 4 E 4 E 4 E 4 E 4 E 4 EYE LVL WND GST.....10 10 10 15 10 10 MIX HGT (FT)........300 1300 1200 1200 1200 1100 TRANSPORT WIND......E 21 E 24 E 23 E 22 E 21 E 21 CWR.................20 50 80 90 80 80 HAINES INDEX........2 2 2 2 2 2 $$ FORECASTER...BEASLEY REQUESTED BY...911 DISPATCH TYPE OF REQUEST...WILDFIRE .TAG 20130323.BRADS.04/RNK