Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 167, NWS Blacksburg, VA

July 31, 2019Surry County, Wilkes County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 31, 2019, 3:56 PM EDT for Surry County, Wilkes County, North Carolina. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 31, 2019, 3:56 PM EDT (19:56 UTC)
Expired
Jul 31, 2019, 4:45 PM EDT
In force
49 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Surry County, NC, Wilkes County, NC

The radar

The Roanoke radar (KFCX), 98 km from the middle of the area, began a volume at 19:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.9 hours before the alert went out and 161 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2019-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2019-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
7 J/kg
Mixed-layer CIN
-188 J/kg
Mixed-layer LCL
1412 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 31, 3:45 PM EDT, 11 minutes earlier.

Area forecast discussion, Jul 31, 3:45 PM EDT, 11 minutes before
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Hazardous weather outlook, Jul 31, 3:51 PM EDT, 5 minutes before
Hazardous Weather Outlook
National Weather Service Blacksburg VA
351 PM EDT Wed Jul 31 2019

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-011100-
Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes-
Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Grayson-
Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt-Rockbridge-
Patrick-Franklin-Bedford-Amherst-Henry-Pittsylvania-Campbell-
Appomattox-Buckingham-Halifax-Charlotte-Mercer-Summers-Monroe-
Eastern Greenbrier-Western Greenbrier-
351 PM EDT Wed Jul 31 2019

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, central Virginia, south central Virginia,
southwest Virginia, west central Virginia and southeast West
Virginia.

.DAY ONE...This afternoon and tonight.

Isolated to scattered strong to severe thunderstorms will be possible
this evening until around sunset. Damaging wind gusts and localized
flooding will be the main hazards. Marginally severe hail will also
be possible in the strongest storms.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Scattered to numerous showers and thunderstorms are expected each
day, decreasing slightly during the weekend and early next week. The
main concern will be locally heavy rainfall and repeated rainfall
from day-to-day resulting in localized flooding. A few storms could
also be severe at times.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed at times through the period
primarily to help identify wind damage and areas of flooding.

RAB

In the hours before

Local storm report, Jul 31, 2:36 PM EDT, 1 hour 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
236 PM EDT WED JUL 31 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0236 PM     HAIL             BALDWIN                 36.35N 81.53W
07/31/2019  E1.75 INCH       ASHE               NC   PUBLIC

            GOLF BALL SIZE HAIL NOW FALLING IN BALDWIN.

&&
Special weather statement, Jul 31, 2:36 PM EDT, 1 hour 20 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
236 PM EDT Wed Jul 31 2019

VAZ018-WVZ044-311915-
Craig-Monroe-
236 PM EDT Wed Jul 31 2019

...A STRONG THUNDERSTORM WILL AFFECT CRAIG AND MONROE COUNTIES...

Until 315 PM EDT.

At 236 PM EDT, a strong thunderstorm was located over Maggie, moving
east at 10 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Paint Bank...
Sinking Creek...
Abbott...
Craig Springs...
and Huffman.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3762 8025 3740 8013 3736 8032 3737 8033
      3736 8034 3734 8042 3749 8046
TIME...MOT...LOC 1836Z 262DEG 7KT 3742 8038

VFJ
Special weather statement, Jul 31, 2:49 PM EDT, 1 hour 7 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
249 PM EDT Wed Jul 31 2019

NCZ001-002-VAZ015-311930-
Ashe-Alleghany-Grayson-
249 PM EDT Wed Jul 31 2019

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT ASHE, ALLEGHANY AND
GRAYSON COUNTIES...

Until 330 PM EDT.

At 248 PM EDT, radar indicated a cluster of strong thunderstorms was
located extending from near Nella to near Twin Oaks. Movement was
east at 15 mph.

Winds in excess of 30 mph and pea size hail are possible with these
storms.

Locations impacted include...
Sparta...
Independence...
Whitetop...
Ennice...
and Mouth Of Wilson.

A winter weather advisory is in effect for the area. Please monitor
local media outlets and the national weather service for further
statements.

LAT...LON 3661 8165 3662 8162 3663 8160 3672 8140
      3660 8087 3658 8086 3656 8090 3655 8091
      3643 8114 3657 8168 3659 8168
TIME...MOT...LOC 1848Z 279DEG 12KT 3656 8150 3656 8117

VFJ
Special weather statement, Jul 31, 3:24 PM EDT, 32 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
324 PM EDT Wed Jul 31 2019

NCZ003-020-312000-
Yadkin-Surry-
324 PM EDT Wed Jul 31 2019

...A STRONG THUNDERSTORM WILL AFFECT YADKIN AND SURRY COUNTIES...

Until 400 PM EDT.

At 323 PM EDT, a strong thunderstorm was located near Boonville,
moving northeast at 15 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Elkin...
Fairview...
Jonesville...
Boonville...
and East Bend.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3624 8087 3626 8087 3644 8061 3627 8045
      3624 8045 3622 8043 3621 8045 3612 8078
TIME...MOT...LOC 1923Z 230DEG 15KT 3621 8075

VFJ
Special weather statement, Jul 31, 3:50 PM EDT, 6 minutes before
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Local storm report, Jul 31, 3:52 PM EDT, 4 minutes before
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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 12:33 PM EDTSpecial Weather StatementRNKGrayson57 min
Jul 31, 1:25 PM EDTSevere Thunderstorm WarningRNKGrayson, Smyth25 min
Jul 31, 1:57 PM EDTSpecial Weather StatementRNKBath63 min
Jul 31, 2:25 PM EDTSpecial Weather StatementRNKGiles, City of Radford50 min
Jul 31, 2:36 PM EDTSpecial Weather StatementRNKCraig39 min
Jul 31, 2:41 PM EDTSevere Thunderstorm WarningRNKBath, Rockbridge22 min
Jul 31, 2:49 PM EDTSpecial Weather StatementRNKGrayson41 min
Jul 31, 3:00 PM EDTSevere Thunderstorm WarningRNKGiles, Pulaski45 min
Jul 31, 3:16 PM EDTSevere Thunderstorm WarningRNKGrayson59 min
Jul 31, 3:34 PM EDTSevere Thunderstorm WarningRNKRockbridge26 min
Jul 31, 3:38 PM EDTSevere Thunderstorm WarningRNKAlleghany, Bath, Botetourt, Rockbridge, City of Lexington67 min
Jul 31, 4:05 PM EDTSpecial Weather StatementRNKFloyd25 min
Jul 31, 4:21 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Rockbridge39 min
Jul 31, 4:48 PM EDTSpecial Weather StatementRNKFloyd57 min
Jul 31, 4:52 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Botetourt, Rockbridge, City of Buena Vista53 min
Jul 31, 4:58 PM EDTSpecial Weather StatementRNKFloyd47 min
Jul 31, 5:01 PM EDTSevere Thunderstorm WarningRNKBedford, Botetourt, Roanoke59 min
Jul 31, 5:05 PM EDTSpecial Weather StatementRNKAlleghany25 min
Jul 31, 5:17 PM EDTSpecial Weather StatementRNKSmyth, Tazewell58 min
Jul 31, 5:39 PM EDTSpecial Weather StatementRNKAlleghany, City of Covington66 min
Jul 31, 5:46 PM EDTSpecial Weather StatementRNKPulaski, City of Radford44 min
Jul 31, 5:50 PM EDTSpecial Weather StatementRNKCity of Martinsville25 min
Jul 31, 5:57 PM EDTSpecial Weather StatementRNKAmherst33 min
Jul 31, 6:02 PM EDTSevere Thunderstorm WarningRNKAlleghany, Botetourt33 min
Jul 31, 6:07 PM EDTSpecial Weather StatementRNKBuckingham53 min
Jul 31, 6:25 PM EDTSpecial Weather StatementRNKPittsylvania35 min
Jul 31, 6:30 PM EDTSevere Thunderstorm WarningRNKHalifax, Pittsylvania60 min
Jul 31, 7:33 PM EDTFlash Flood WarningRNKHalifax, Pittsylvania4 hr
Jul 31, 7:42 PM EDTSpecial Weather StatementRNKHalifax33 min
Jul 31, 1:50 PM EDTAreal Flood AdvisoryRNKWatauga26 min
Jul 31, 2:17 PM EDTSpecial Weather StatementRNKAshe28 min
Jul 31, 2:20 PM EDTSevere Thunderstorm WarningRNKAshe, Watauga, Wilkes55 min
Jul 31, 3:24 PM EDTSpecial Weather StatementRNKYadkin36 min
Jul 31, 3:50 PM EDTSpecial Weather StatementRNKCaswell25 min
Jul 31, 6:19 PM EDTSpecial Weather StatementRNKCaswell26 min
Jul 31, 6:56 PM EDTSpecial Weather StatementRNKCaswell34 min
Jul 31, 4:16 PM EDTSpecial Weather StatementRNKMonroe, Summers59 min
Jul 31, 6:33 PM EDTSevere Thunderstorm WarningRNKMercer24 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2019Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.