Overview
A strong cold front moved slowly through the forecast area during the day of October 23rd. Strong low level winds and just enough instability allowed for a quasi-linear area of strong to severe storms to form, producing several tornadoes and damaging winds. In addition, heavy rains, despite previously dry conditions, led to flash flooding.
It was a busy afternoon and evening with 15 warnings issued, 4 Tornado, 7 Severe Thunderstorm and 4 Flash Flood .
Tornadoes:
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Tornado - Wilkesboro to Hays, NC
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Tornado - Providence, VA
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Tornado - Belspring to McCoy, VA
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Flooding
Three to almost 7 inches of rain fell in a 6 hour period, which resulted in flooding and flash flooding over portions of Northwest North Carolina into the Southwest Virginia mountains. The hardest hit area was Watauga County, NC.
Hydrographs
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Sugar Grove along Watauga River | Boone along New River |
Photos/Rainfall Total Graphic
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Appalachian State in Boone (Baker Perry) |
Rainfall Totals Ending 2:00 AM Oct 24th - Radar and Rain Gage (still underdone for portions of the mountains) |
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Winkler Creek in Boone, NC (Erich Brinkman via Watauga Democrat) |
Submerged Vehicle near Boone (Photo by Kayla Lasure Watauga Democrat) | New Market Boone NC (Photo by Kayla Lasure Watauga Democrat) |
Radar:
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Radar Loop Covering All 3 Tornado Times | Rotational Track per Radar Showing Circulation close to Radford at 6:30 PM Oct 23rd |
Storm Reports
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Tornado and Wind Reports Regional Map |
Visit here for detailed reports and a graphical display
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1142 AM NON-TSTM WND DMG BOONE 36.21N 81.67W 10/23/2017 WATAUGA NC BROADCAST MEDIA SEVERAL REPORTS OF TREES DOWN ACROSS WATAUGA COUNTY DUE TO WET GROUND AND STRONG WINDS 0355 PM NON-TSTM WND DMG FLOYD 36.92N 80.32W 10/23/2017 FLOYD VA 911 CALL CENTER REPORTS OF A COUPLE OF SMALL TREES AND A LIMB DOWN ON ROADS IN VARIOUS PLACES ACROSS THE COUNTY FROM HEAVY RAIN AND GUSTY WINDS. 0455 PM DEBRIS FLOW 3 NNE BLOWING ROCK 36.17N 81.65W 10/23/2017 Watauga NC BROADCAST MEDIA PERSISTENT HEAVY RAINFALL OVER A SHORT PERIOD OF TIME RESULTED IN AT LEAST TWO MUDSLIDES ALONG NC 321 NEAR THE COMMUNITIES OF TWEETSIE AND MYSTERY HILL. 0500 PM FLASH FLOOD 1 NE BOONE 36.22N 81.66W 10/23/2017 Watauga NC PUBLIC EXCESSIVE RUNOFF FROM A THUNDERSTORM CAUSED A STREAM TO OVERFLOW ITS BANKS,FLOODING PORTIONS OF EAST KING STREET IN BOONE, NC. A CAR WAS SHOWN STRANDED IN THAT INTERSECTION. 0500 PM TSTM WND DMG 4 ENE BOOMER 36.10N 81.18W 10/23/2017 Wilkes NC PUBLIC THUNDERSTORM WINDS DOWNED A TREE ON A CAR WITHIN THE COMMUNITY OF MORAVIAN FALLS. 0500 PM NON-TSTM WND DMG PEARISBURG 37.32N 80.73W 10/23/2017 Giles VA DEPT OF HIGHWAYS MULTIPLE TREES WERE REPORTED DOWN DURING THE AFTERNOON ACROSS GILES COUNTY DUE TO GUSTY WINDS AND PERIODS OF HEAVY RAIN. 0500 PM FLASH FLOOD JEFFERSON 36.42N 81.47W 10/23/2017 ASHE NC 911 CALL CENTER LOTS OF REPORTS OF ROADS FLOODED IN JEFFERSON AND WEST JEFFERSON BETWEEN 5 AND 7PM. 0510 PM FLASH FLOOD 1 NE BOONE 36.22N 81.66W 10/23/2017 Watauga NC PUBLIC PERSISTENT RAINS FROM THUNDERSTORMS CAUSED A CREEK TO SIGNIFICANTLY FLOOD A PARKING LOT NEAR THE NEW MARKET CENTER IN BOONE, NC. 3 TO 6 INCHES OF FLOWING WATER VISIBLE IN VIDEO FOOTAGE SHARED ON SOCIAL MEDIA. 0515 PM TSTM WND DMG 2 SSW NORTH WILKESBORO 36.14N 81.16W 10/23/2017 Wilkes NC 911 CALL CENTER A TREE WAS BLOWN DOWN ONTO A POWERLINE NEAR THE COMMUNITY OF WILKESBORO. 0515 PM TSTM WND DMG HAYS 36.25N 81.12W 10/23/2017 WILKES NC PUBLIC POSSIBLE TORNADO. TREE DOWN ON A HOUSE ON GLENN DANCY ROAD. OTHER TREES AND POWERLINES DOWN NEARBY. 0515 PM TSTM WND DMG 6 SE WILBAR 36.20N 81.26W 10/23/2017 Wilkes NC 911 CALL CENTER A TREE WAS BLOWN DOWN ALONG OLD HIGHWAY 60. 0517 PM TSTM WND DMG NORTH WILKESBORO 36.17N 81.14W 10/23/2017 Wilkes NC PUBLIC SEVERAL LARGE LIMBS DOWN. 0517 PM TSTM WND DMG 3 E HAYS 36.26N 81.06W 10/23/2017 Wilkes NC 911 CALL CENTER THUNDERSTORM WINDS DOWNED TWO LARGE TREES AND A POWERPOLE ALONG LITTLE MOUNTAIN CHURCH ROAD. 0518 PM FLASH FLOOD 1 NW SUGAR GROVE 36.78N 81.41W 10/23/2017 Smyth VA EMERGENCY MNGR PERSISTENT DOWNPOURS CAUSED SEVERAL CREEKS AND STREAMS TO FLOOD ROADWAYS IN THE SUGAR GROVE AREA OF SMYTH COUNTY. 0524 PM TSTM WND DMG WILKESBORO 36.14N 81.16W 10/23/2017 WILKES NC CO-OP OBSERVER SIGNIFICANT TREE DAMAGE AND SOME STRUCTURAL DAMAGE TO A HOME. 0529 PM TSTM WND DMG 3 SE ELKIN 36.22N 80.82W 10/23/2017 Yadkin NC EMERGENCY MNGR THUNDERSTORM WINDS DOWNED A TREE ALONG FALL CREEK CHURCH ROAD NEAR JONESVILLE. 0533 PM TSTM WND DMG 3 ESE ENNICE 36.53N 80.95W 10/23/2017 Alleghany NC PUBLIC THUNDERSTORM WINDS DAMAGED A BARN LOCATED ALONG BARRETT ROAD. 0535 PM TSTM WND DMG 3 S ENNICE 36.50N 81.00W 10/23/2017 Alleghany NC PUBLIC THUNDERSTORM WINDS BLEW DOWN A TREE ALONG SHAWTOWN ROAD. 0535 PM TSTM WND DMG N YADKINVILLE 36.13N 80.66W 10/23/2017 Yadkin NC PUBLIC THUNDERSTORM WINDS DOWNED A TREE AT THE INTERSECTION OF WILSON STREET AND WEST MAIN STREET. 0541 PM TSTM WND DMG 1 S ENNICE 36.53N 81.00W 10/23/2017 Alleghany NC PUBLIC THUNDERSTORM WINDS DAMAGED A MOBILE HOME ALONG LITTLE PRNE ROAD. 0541 PM TSTM WND DMG 2 SW ENNICE 36.54N 81.02W 10/23/2017 Alleghany NC PUBLIC THUNDERSTORM WINDS UPROOTED AND SNAPPED SEVERAL TREES AND DAMAGED A BARN ALONG RECTOR ROAD. 0543 PM TSTM WND DMG 2 SSE ENNICE 36.52N 80.99W 10/23/2017 Alleghany NC PUBLIC STRONG THUNDERSTORM WINDS DOWNED SEVERAL LARGE TREES AND DESTROYED TWO BARNS AND DAMAGED ANOTHER ALONG GLADE VALLEY ROAD. 0545 PM TSTM WND DMG 5 NNW PILOT MOUNTAIN 36.45N 80.50W 10/23/2017 Surry NC TRAINED SPOTTER LARGE TREE LIMBS DOWN. 0545 PM TSTM WND DMG PINE RIDGE 36.50N 80.72W 10/23/2017 Surry NC EMERGENCY MNGR MANY TREES AND POWERLINES DOWN ACROSS THE COUNTY PARTICULARLY IN PINE RIDGE, DOBSON, AND MOUNTAIN PARK. POSSIBLE MICROBURST REPORTED IN PINE RIDGE. 0545 PM TSTM WND DMG 5 SSE FRIES 36.65N 80.92W 10/23/2017 City of Galax VA PUBLIC THUNDERSTORM WIND GUSTS BROUGHT DOWN A UTILITY POLE AT THE INTERSECTION OF SOUTH MAIN STREET AND LONG STREET IN GALAX, VA. 0545 PM TSTM WND DMG 1 WSW ENNICE 36.55N 81.01W 10/23/2017 Alleghany NC PUBLIC THUNDERSTORM WINDS DOWNED TWO TREES ALONG JARVIS ROAD. 0550 PM FLOOD 5 N BLOWING ROCK 36.20N 81.66W 10/23/2017 Watauga NC PUBLIC PERSISTENT RAINFALL IN AN AREA OF POOR DRAINAGE HAS CAUSED SEVERAL FEET OF WATER TO POND IN THE BOONE WALMART PARKING LOT. SEVERAL CARS ARE PICTURED STRANDED. 0558 PM TSTM WND DMG 2 SSE FRIES 36.69N 80.95W 10/23/2017 Grayson VA 911 CALL CENTER THUNDERSTORM WINDS DOWNED THREE LARGE TREES IN A HOMEOWNERS BACK YARD ALONG WINDMILL ROAD NEAR GALAX, VA. 0558 PM TSTM WND DMG 6 ESE FRIES 36.70N 80.87W 10/23/2017 Carroll VA PUBLIC THUNDERSTORM WINDS BROUGHT DOWN TWO TREES ALONG WINTERBERRY ROAD. 0600 PM TSTM WND DMG 4 WSW ARARAT 36.58N 80.58W 10/23/2017 Patrick VA 911 CALL CENTER TREE DOWN NEAR INTERSECTION OF JOHNSON CREEK ROAD AND WARDS GAP ROAD. 0632 PM TSTM WND DMG RADFORD 37.13N 80.57W 10/23/2017 CITY OF RADFORD VA 911 CALL CENTER THUNDERSTORM WINDS DOWNED NUMEROUS TREES WITHIN THE CITY OF RADFORD. 0636 PM TSTM WND DMG 5 NNW RADFORD 37.20N 80.61W 10/23/2017 Pulaski VA 911 CALL CENTER STRONG THUNDERSTORM WINDS CAUSED DAMAGE TO NUMEROUS TREES AND A FEW STRUCTURES BETWEEN BELLSPRING AND PARROTT, VIRGINIA. THIS TEMPORARILY CLOSED SEVERAL ROADS INCLUDING BELL SPRING ROAD, GUTHRIE ROAD, AND DEPOT ROAD. 0638 PM TSTM WND DMG 4 NW WOOLWINE 36.83N 80.33W 10/23/2017 Floyd VA 911 CALL CENTER TREE DOWN ON ROUTE 8 IN CARROLL COUNTY NEAR FLOYD COUNTY LINE. 0638 PM TSTM WND DMG 5 N RADFORD 37.21N 80.59W 10/23/2017 Montgomery VA PUBLIC STRONG THUNDERSTORM WINDS PRODUCED DAMAGE TO STRUCTURES AND TREES OUTSIDE OF THE COMMUNITY OF MCCOY. 0640 PM FLASH FLOOD 4 S GRASSY CREEK 36.50N 81.39W 10/23/2017 Ashe NC 911 CALL CENTER ROADS FLOODED IN CRUMPLER AREA. 0640 PM DEBRIS FLOW 4 NW JEFFERSON 36.46N 81.53W 10/23/2017 Ashe NC 911 CALL CENTER MUDSLIDE BLOCKING ROAD IN WARRENSVILLE AREA. 0646 PM DEBRIS FLOW LAUREL SPRINGS 36.42N 81.27W 10/23/2017 ASHE NC 911 CALL CENTER DEBRIS FLOW BLOCKING ROAD IN LAUREL SPRINGS. 0652 PM HEAVY RAIN WYTHEVILLE 36.95N 81.08W 10/23/2017 M2.65 INCH WYTHE VA CO-OP OBSERVER MEASURED SINCE 7 AM THIS MORNING. 0655 PM TSTM WND DMG 1 SW UNION 37.57N 80.55W 10/23/2017 Monroe WV 911 CALL CENTER NUMEROUS TREES DOWN BETWEEN LINDSIDE AND UNION AND ELSEWHERE ACROSS PORTIONS OF THE COUNTY BETWEEN 645 PM AND 700 PM. 0703 PM TSTM WND DMG 6 SSE MARTINSVILLE CITY 36.61N 79.82W 10/23/2017 Henry VA 911 CALL CENTER A TREE WAS BLOWN DOWN ALONG EGGLESTON FALLS ROAD. 0703 PM TSTM WND DMG 5 SSW MARTINSVILLE CITY 36.62N 79.90W 10/23/2017 Henry VA 911 CALL CENTER A TREE WAS BLOWN DOWN ALONG SOAPSTONE ROAD. 0705 PM TSTM WND DMG 4 S MARTINSVILLE CITY 36.62N 79.86W 10/23/2017 Henry VA 911 CALL CENTER A TREE WAS BLOWN DOWN NEAR THE INTERSECTION OF HIGHWAY 58 WITH HIGHWAY 220. 0705 PM TSTM WND DMG 3 SSE MARTINSVILLE CITY 36.65N 79.84W 10/23/2017 City of Martinsvil VA 911 CALL CENTER A TREE WAS BLOWN DOWN ONTO A POWERLINE ALONG COUNTRY CLUB DRIVE. 0705 PM TSTM WND DMG 3 SSE MARTINSVILLE CITY 36.65N 79.84W 10/23/2017 City of Martinsvil VA 911 CALL CENTER A TREE WAS BLOWN DOWN ONTO A POWER POLE ALONG MEADOWVIEW LANE. 0706 PM TSTM WND DMG FERRUM 36.92N 80.02W 10/23/2017 FRANKLIN VA 911 CALL CENTER THUNDERSTORM WINDS DOWNED NUMEROUS TREES IN AND AROUND THE COMMUNITY OF FERRUM. 0706 PM TSTM WND DMG 3 NNW BASSETT 36.81N 80.01W 10/23/2017 Franklin VA 911 CALL CENTER THUNDERSTORM WIND GUSTS DOWNED NUMEROUS TREES ALL ALONG PHILPOTT ROAD IN FRANKLIN COUNTY. 0710 PM TSTM WND DMG ESE POTTS CREEK 37.62N 80.20W 10/23/2017 Alleghany VA DEPT OF HIGHWAYS THUNDERSTORM WINDS DOWNED A TREE NEAR THE INTERSECTION OF VIRGINIA 18 SOUTH AND POTTS CREEK ROAD. 0731 PM TSTM WND DMG 7 ESE AXTON 36.64N 79.59W 10/23/2017 Pittsylvania VA 911 CALL CENTER THUNDERSTORM WINDS DOWNED A POWER POLE ACROSS INMAN ROAD, TEMPORARILY CLOSING IT. 0740 PM FLASH FLOOD 2 SW CHAPEL 37.27N 80.96W 10/23/2017 Giles VA 911 CALL CENTER THUNDERSTORM DOWNPOURS CAUSED WOLF CREEK TO SPILL ITS BANKS, FLOODING PORTIONS OF WOLF CREEK ROAD AND SEVERAL OFF ROADS INCLUDING BUCKHORN ROAD. 0740 PM FLASH FLOOD 1 E PEARISBURG 37.32N 80.72W 10/23/2017 Giles VA 911 CALL CENTER THUNDERSTORM DOWNPOURS CAUSED TRIBUTARIES OF THE NEW RIVER TO FLOOD ROADS NEAR PEARISBURG VA AND THE BLUFFS. 0751 PM TSTM WND DMG 5 S COVINGTON CITY 37.71N 79.98W 10/23/2017 Alleghany VA 911 CALL CENTER A POWER LINE WAS BLOWN DOWN ALONG HAYES GAP ROAD. 0757 PM TSTM WND DMG 2 ESE COVINGTON CITY 37.77N 79.95W 10/23/2017 Alleghany VA 911 CALL CENTER A TREE WAS BLOWN DOWN ALONG VALLEY RIDGE ROAD.
Rain Reports
...RAINFALL TOTALS... THE FOLLOWING IS A LIST OF UNOFFICIAL RAINFALL TOTALS FOR A 32 HOUR PERIOD ENDING AT 8 AM EDT TUESDAY. THESE REPORTS ARE FROM A COMBINATION OF SOURCES...INCLUDING COOP OBSERVERS...IFLOWS GAGES...COCORAHS...AND ASOS...AND HAVE NOT BEEN QUALITY CONTROLLED. NORTH CAROLINA ...ALLEGHANY COUNTY... 4.95 SPARTA 3.5 SSW COCORAHS 4.20 GLADE CREEK VFD DCP 3.39 LITTLE RIVER NR SPARTA IFLOWS SG/RG ...ASHE COUNTY... 4.93 FLEETWOOD 3.1 SSE COCORAHS 4.70 GLENDALE SPRINGS 1.5 WSW COCORAHS 4.56 TRANSOU COOP 4.32 JEFFERSON 2.7 ESE COCORAHS 4.25 JEFFERSON 2 E COOP 3.73 LANSING RG DCP 2.59 CRESTON 2.8 SW COCORAHS 2.38 LANSING 5.9 NW COCORAHS 1.93 BUFFALO CREEK IFLOWS 1.68 NF NEW RIVER/CLIFTON IFLOWS ...CASWELL COUNTY... 1.51 YANCEYVILLE 2.4 SW COCORAHS 1.24 MILTON 5.7 SSE COCORAHS 1.16 YANCEYVILLE 3.1 NNW COCORAHS 1.08 YANCEYVILLE 4 SE COOP 1.00 CASWELL GAME LANDS RAWS ...ROCKINGHAM COUNTY... 1.57 REIDSVILLE COOP 0.85 EDEN 2.3 ENE COCORAHS 0.80 EDEN COOP ...STOKES COUNTY... 1.60 DANBURY 4.6 NNW COCORAHS 1.56 KING COOP 1.27 DANBURY COOP 1.26 DAN RIVER AT PINE HALL 1.16 WALNUT COVE 0.5 N COCORAHS 1.11 WALNUT COVE 1.5 ENE COCORAHS ...SURRY COUNTY... 2.60 MOUNT AIRY 4.3 W COCORAHS 2.38 RAVEN KNOB RAWS 2.09 MOUNT AIRY COOP 1.97 ARARAT R. AT ARARAT 1.97 DOBSON 2.3 SE COCORAHS 1.80 PILOT MOUNTAIN 0.3 W COCORAHS 1.66 ARARAT 4.7 SW COCORAHS 1.57 ELKIN COOP 1.13 SURRY COUNTY AP ...WATAUGA COUNTY... 6.75 BOONE 1 SE COOP 6.58 SANDY FLATS IFLOWS 6.42 BOONE RG (TVA) 6.00 BOONE 1 W COCORAHS 5.83 BLOWING ROCK 2.2 NE COCORAHS 5.45 FOSCOE 1.2 WSW COCORAHS 5.30 SEVEN DEVILS 0.1 E COCORAHS 4.97 BOONE 1.5 NNW COCORAHS 4.86 BOONE 0.6 N COCORAHS 4.75 BLACKBURN KNOB IFLOWS 4.68 BOONE 3.3 ENE COCORAHS 4.63 BOONE 4.6 E COCORAHS 4.36 BOONE 4.5 SE COCORAHS 4.27 BLOWING ROCK 4.4 NE COCORAHS 4.17 BLOWING ROCK 2.8 ENE COCORAHS 3.79 VALLE CRUCIS 1.4 SSE COCORAHS 3.72 WATAUGA R. NR SUGAR GROVE 3.52 WATAUGA R/FOSCOE IFLOWS 3.37 MF NEW RIVER AT BOONE IFLOWS SG 2.92 BEECH MOUNTAIN 1.2 SE COCORAHS 2.77 BETHEL 2.2 NNE COCORAHS ...WILKES COUNTY... 3.49 PURLEAR 4.6 WNW COCORAHS 2.52 RENDEZVOUS MTN RAWS SITE 2.34 ELK CREEK AT ELKVILLE DCP 1.69 W KERR SCOTT RESV COOP 1.62 NORTH WILKESBORO COOP 1.34 NORTH WILKESBORO 0.4 S COCORAHS ...YADKIN COUNTY... 1.94 YADKINVILLE 6 E COOP VIRGINIA ...ALLEGHANY COUNTY... 2.88 PETERS MTN IFLOWS 2.82 COVINGTON 4.1 E COCORAHS 2.09 LOW MOOR IFLOWS 2.09 COVINGTON FP COOP 1.78 COVINGTON CITY PARK 1.52 GATHRIGHT DAM COOP 1.31 WARM SPRINGS MTN IFLOWS 1.30 FORE MTN IFLOWS ...AMHERST COUNTY... 1.22 PEDLAR DAM COOP ...APPOMATTOX COUNTY... 0.95 APPOMATTOX COOP ...BATH COUNTY... 3.10 HOT SPRINGS COOP 2.21 LIME KILN RAWS 2.16 BACK CREEK AT SUNRISE (BLW PSS) 2.05 MOUNTAIN GROVE COOP 1.55 GATHRIGHT DAM DCP 1.51 INGALLS FIELD IFLOWS 1.45 MILLBORO 0.3 NW COCORAHS 1.34 YOST IFLOWS 1.26 JACKSON RIVER NR BACOVA 1.26 DOUTHAT ST PK IFLOWS 0.96 WILLIAMSVILLE 2 S COOP ...BEDFORD COUNTY... 1.41 BIG ISLAND 2.5 WNW COCORAHS 1.40 BEDFORD COOP 1.07 BEDFORD 3.2 W COCORAHS 1.04 HUDDLESTON 4 SW COOP 0.96 MONETA 3.9 WSW COCORAHS 0.94 GOODVIEW 1.7 NNE COCORAHS 0.84 LYNCHBURG 1.3 SSW COCORAHS 0.84 MONETA 3.6 SW COCORAHS 0.82 LYNCHBURG 1.4 SSW COCORAHS 0.81 MONETA 3.7 SW COCORAHS 0.79 GOODVIEW 3.2 SSE COCORAHS ...BLAND COUNTY... 3.02 BASTIAN/CLEAR FORK DCP ...BOTETOURT COUNTY... 4.10 ORISKANY IFLOWS 2.53 NORTH FORK CATAWBA CRK IFLOWS 2.37 TROUTVILLE IFLOWS 1.67 CLOVERDALE IFLOWS SG 1.43 APPLE ORCHARD IFLOWS 1.26 CARVIN CREEK IFLOWS 1.07 FINCASTLE 1.9 NNW COCORAHS ...BUCKINGHAM COUNTY... 0.88 BUCKINGHAM COOP ...CAMPBELL COUNTY... 1.25 BROOKNEAL COOP 0.96 GLADYS 0.6 S COCORAHS 0.87 CONCORD 4 SSW COOP 0.72 LYNCHBURG AP (ASOS) 0.65 EVINGTON 2.2 NE COCORAHS ...CARROLL COUNTY... 4.62 FANCY GAP IFLOWS 4.09 LAUREL FORK DCP 3.55 GALAX WATER PLANT COOP 2.40 GALAX 6.1 N COCORAHS 2.08 PIPERS GAP IFLOWS 1.19 BUFFALO MTN. IFLOWS ...CHARLOTTE COUNTY... 1.12 KEYSVILLE COOP 1.07 CHARLOTTE COURT HOUSE 4.9 NNE COCORAHS ...CITY OF DANVILLE... 1.38 DANVILLE AP (ASOS) ...CITY OF RADFORD... 1.81 RADFORD 0.9 WNW COCORAHS ...CITY OF ROANOKE... 1.42 ROANOKE R. AT STP IFLOWS 1.27 MONTCLAIR IFLOWS ...CRAIG COUNTY... 3.19 POTTS MTN. IFLOWS 2.95 SIMMONSVILLE IFLOWS 2.77 CRAIG VALLEY RAWS 2.61 CRAIG CRK/ABBOTT IFLOWS 2.41 NEW CASTLE IFLOWS 2.35 NEW CASTLE COOP 2.09 CRAIG CREEK RTE 614 IFLOWS 1.61 JOHNS CREEK/RTE 311 IFLOWS ...FLOYD COUNTY... 3.05 WILLIS DCP 3.01 WILLIS 2.7 SE COCOCRAHS 2.91 COPPER HILL 6.2 S COCORAHS 2.82 WILLIS COOP 2.64 COPPER HILL COOP 2.48 FLOYD 5.2 NW COCORAHS ...FRANKLIN COUNTY... 3.20 ADNEY GAP IFLOWS 1.66 ROUTE 640/PIGG R. IFLOWS 1.17 BOONES MILL 5.5 E COCORAHS 1.07 BLACKWATER/CALW IFLOWS 1.03 ROCKY MOUNT 2.2 NW COCORAHS 1.02 FERRUM 1.9 SSW COCORAHS 1.02 ROCKY MOUNT 3.6 W COCORAHS 0.94 ROCKY MOUNT COOP 0.87 ROCKY MOUNT/PIGG R. IFLOWS 0.76 UNION HALL 2.9 E COCORAHS 0.75 HARDY 7.1 SE COCORAHS 0.75 HARDY 7.8 SE COCORAHS 0.69 ROCKY MOUNT 10.3 NE COCORAHS ...GILES COUNTY... 3.85 PEMBROKE 1.3 NNE COCORAHS 3.79 STAFFORDSVILLE COOP 2.45 MOUNTAIN LAKE BIO IFLOWS 2.01 SPRUCE RUN IFLOWS ...GRAYSON COUNTY... 4.00 INDEPENDENCE 1.3 S COCORAHS 3.01 ELK CREEK COOP 2.82 JONES KNOB IFLOWS 2.67 TROUTDALE DCP 2.45 GALAX ...HALIFAX COUNTY... 1.31 RANDOLPH 1.02 SOUTH BOSTON COOP ...HENRY COUNTY... 1.10 SANVILLE IFLOWS 0.94 CHESTNUT KNOB IFLOWS 0.91 SMITH RIVER NR FIELDALE IFLOWS SG/RG 0.88 BASSETT 1.1 E COCORAHS 0.74 MARTINSVILLE FILTER COOP 0.68 PHILPOTT DAM 0.67 MEADOWS CHURCH IFLOWS 0.56 MARROWBONE RES. IFLOWS ...MONTGOMERY COUNTY... 2.76 CRAWFORDS RIDGE IFLOWS 2.24 CHRISTIANSBURG 1.1 ESE COCORAHS 2.20 BLACKSBURG 1.6 NNE COCORAHS 2.15 BLACKSBURG 4.3 WSW COCORAHS 1.99 BLACKSBURG 2.4 ENE COCORAHS 1.90 BLACKSBURG 1.3 ESE COCORAHS 1.86 FALLING BRANCH IFLOWS 1.80 BLACKSBURG NWS 1.60 BLACKSBURG 5 W COCORAHS 1.60 POOR MTN. IFLOWS 1.56 CHRISTIANSBURG COOP 1.44 BLACKSBURG IFLOWS 1.39 ROANOKE RIVER AT LAFAYETTE 1.03 IRONTO IFLOWS 0.99 BRUSH MTN IFLOWS 0.96 SHAWSVILLE SG/IFLOWS ...PATRICK COUNTY... 4.44 BUSTED ROCK #2 IFLOWS 4.26 MEADOWS OF DAN COOP 3.68 MEADOWS OF DAN 4.5 SW COCORAHS 3.07 CIRCLE M IFLOWS 2.74 WOOLWINE 3.7 NNE COCORAHS 2.55 WOOLWINE 0.4 SW COCORAHS 1.98 TROT VALLEY IFLOWS 1.88 STUART COOP 1.42 BUSTED ROCK #1 IFLOWS 1.39 CRITZ IFLOWS 1.12 CENTRAL ACADEMY IFLOWS 0.96 DRY POND IFLOWS ...PITTSYLVANIA COUNTY... 1.31 DANVILLE 4.9 NNE COCORAHS 0.85 CHATHAM 5.9 SW COCORAHS 0.85 CHATHAM COOP 0.80 PITTSVILLE 4.5 NNW COCORAHS ...PULASKI COUNTY... 2.49 COVE MTN IFLOWS 2.38 PULASKI COOP 2.27 RADFORD COOP 2.24 BACK CREEK IFLOWS 2.12 DUBLIN 2 SSW COCORAHS 1.65 RADFORD 1.60 FAIRLAWN 0.6 NNE COCORAHS ...ROANOKE COUNTY... 3.23 WITT`S ORCHARD IFLOWS 2.15 VINTON 0.7 NE COCORAHS 2.06 ROANOKE 5.8 SW COCORAHS 2.02 CAVE SPRING 2.4 SSW COCORAHS 1.88 ROANOKE 5.5 SW COCORAHS 1.65 ROANOKE 7.3 SSW COCORAHS 1.64 SUGARLOAF MTN IFLOWS 1.42 PETERS CREEK IFLOWS 1.35 ROANOKE AP (ASOS) 1.33 ROANOKE 8 N COOP 1.00 MILL MOUNTAIN IFLOWS ...ROCKBRIDGE COUNTY... 1.90 GLASGOW 1 SE COOP 1.70 BUFFALO CREEK AT MURAT IFLOWS SG/RG 1.50 LEXINGTON 5.3 W COCORAHS 1.45 GLENPED RAWS 1.37 GLASGOW IFLOWS SG/RG 1.37 LEXINGTON COOP 1.34 MAURY RIVER AT ROCKBRIDGE BATHS 1.30 BUENA VISTA COOP 1.30 LEXINGTON 11.5 WSW COCORAHS 1.18 MAURY R. AT LEXINGTON IFLOWS 1.11 BUENA VISTA ...SMYTH COUNTY... 4.77 MT. ROGERS IFLOWS 3.15 NEBO IFLOWS 1.84 SALTVILLE COOP 1.74 SALTVILLE RG (TVA) 1.69 MARION 2.4 ENE COCORAHS 1.51 KONNAROCK DCP 1.28 MARION RG (TVA) 1.11 WALKER HOUSE IFLOWS ...TAZEWELL COUNTY... 3.42 CUMBERLAND HTS IFLOWS 2.77 BURKES GARDEN COOP 2.06 RICHLANDS COOP 1.74 JEWELL RIDGE IFLOWS 1.69 XMAS TREE HILL IFLOWS 1.58 TAZEWELL RG (TVA) 1.57 WHITAKER RIDGE IFLOWS 1.52 RICHLANDS RG (TVA) 1.46 EAST RIVER MTN IFLOWS ...WYTHE COUNTY... 2.65 WYTHEVILLE COOP 2.34 STONY FORK USFS RAWS 2.21 2WAY WYTHEVILLE IFLOWS WEST VIRGINIA ...GREENBRIER COUNTY... 3.37 LEWISBURG 3 N COOP 3.10 WHITE SULPHUR SPRINGS COOP 3.07 BLUE BEND IFLOWS 2.95 WILLIAMSBURG VFD IFLOWS 2.94 JOBS KNOB NR CLEARCO 1 S 2.94 WHITE SULPHUR SPGS DCP 2.80 ALVON 3 NNW IFLOWS 2.25 ALDERSON IFLOWS 2.25 MEADOW BLUFF IFLOWS 2.16 EAST RAINELLE 2 E 2.01 BRUSHY MTN IFLOWS 1.85 MCROSS 3 E COOP ...MERCER COUNTY... 3.05 EAST RIVER AT WILLOWTON SG/RG 2.90 BLUEFIELD COOP 2.20 BLUEFIELD IFLOWS 2.06 PRINCETON COOP 1.89 BLUEFIELD AP (ASOS) 1.69 BRAMWELL IFLOWS 1.62 ARISTA IFLOWS 1.58 EADS MILL IFLOWS 1.58 EGERIA IFLOWS 1.34 MATAOKA IFLOWS ...MONROE COUNTY... 3.59 ROCK CAMP DCP 3.36 UNION IFLOWS 2.63 BALLARD IFLOWS 2.33 WOLF CREEK IFLOWS ...SUMMERS COUNTY... 2.55 BLUESTONE LAKE COOP 2.45 ALDERSON COOP 2.36 PIPESTEM RAWS 2.32 KEENEY KNOB IFLOWS 1.90 ELLISON RIDGE IFLOWS
Environment
Abundant clouds prevented significant CAPE from developing ahead of the front. When combined with 850mb flow of 40kt-50kt, we were in a strong high shear/low CAPE environment. Primary threat was for flood potential with high moisture content in the atmosphere trumping dry antecedent conditions.
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Figure 1. Surface based CAPE at 20z/4pm EDT | Figure 2: 850 MB Analysis at 8pm EDT Oct 23rd showing strong low-level winds into NC/VA. | Figure 3: High Precipitable Water Values at 4pm EDT Oct 23rd. |
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