Alert archive / West Virginia / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 159, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 11, 2026, 7:49 AM EDT for Alleghany County, Virginia; Greenbrier County, Monroe County, Summers County, West Virginia. It was in force for 56 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
- Aug 11, 2026, 7:49 AM EDT (11:49 UTC)
- Expired
- Aug 11, 2026, 8:45 AM EDT
- In force
- 56 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Alleghany County, VA, Greenbrier County, WV, Monroe County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 81 km from the middle of the area, began a volume at 11:49 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 00:00Z, 11.8 hours before the alert went out and 104 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.
- Mixed-layer CAPE
- 1146 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1143 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
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 Aug 11, 6:39 AM EDT, 1 hour 10 minutes earlier.
Area forecast discussion, Aug 11, 6:39 AM EDT, 1 hour 10 minutes before
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</html>Hazardous weather outlook, Aug 11, 4:23 AM EDT, 3 hours 26 minutes before
Hazardous Weather Outlook National Weather Service Blacksburg VA 423 AM EDT Tue Aug 11 2026 NCZ003>006-019-020-VAZ032>035-043>047-058-059-120830- Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Franklin- Bedford-Amherst-Henry-Pittsylvania-Campbell-Appomattox-Buckingham- Halifax-Charlotte- 423 AM EDT Tue Aug 11 2026 This Hazardous Weather Outlook is for north central North Carolina, northwest North Carolina, central Virginia, south central Virginia, southwest Virginia and west central Virginia. .DAY ONE...Today and tonight. An increased risk of severe storms due to damaging winds and localized flash flooding from heavy rainfall exists today. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. An increased risk of severe storms due to damaging winds and localized flash flooding from heavy rainfall exists during Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. NCZ001-002-018-VAZ007-009>020-022>024-WVZ042>044-507-508-120830- Ashe-Alleghany NC-Watauga-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski- Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke- Botetourt-Rockbridge-Mercer-Summers-Monroe-Eastern Greenbrier- Western Greenbrier- 423 AM EDT Tue Aug 11 2026 ...FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING... This Hazardous Weather Outlook is for northwest North Carolina, southwest Virginia, west central Virginia and southeast West Virginia. .DAY ONE...Today and tonight. An increased risk of severe storms due to damaging winds and localized flash flooding from heavy rainfall exists today. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. An increased risk of severe storms due to damaging winds and localized flash flooding from heavy rainfall exists during Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed.
In the hours before
Special weather statement, Aug 11, 3:51 AM EDT, 3 hours 58 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 1:34 AM EDT | Flood Watch | RNK | Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 17 more | 54 hr |
| Aug 11, 3:51 AM EDT | Special Weather Statement | RNK | Alleghany, Bath, City of Covington | 39 min |
| Aug 11, 4:42 AM EDT | Special Weather Statement | RNK | Alleghany, Botetourt, Craig, Giles, Montgomery, Roanoke and 5 more | 48 min |
| Aug 11, 12:11 PM EDT | Severe Thunderstorm Warning | RNK | Tazewell | 49 min |
| Aug 11, 1:03 PM EDT | Special Weather Statement | RNK | Tazewell | 12 min |
| Aug 11, 1:18 PM EDT | Special Weather Statement | RNK | Tazewell | 12 min |
| Aug 11, 1:19 PM EDT | Special Weather Statement | RNK | Smyth | 11 min |
| Aug 11, 1:36 PM EDT | Special Weather Statement | RNK | Smyth | 9 min |
| Aug 11, 1:55 PM EDT | Special Weather Statement | RNK | Smyth | 20 min |
| Aug 11, 2:05 PM EDT | Special Weather Statement | RNK | Smyth | 10 min |
| Aug 11, 2:13 PM EDT | Severe Thunderstorm Warning | RNK | Smyth, Tazewell | 47 min |
| Aug 11, 2:18 PM EDT | Tornado Warning | RNK | Smyth | 27 min |
| Aug 11, 2:48 PM EDT | Severe Thunderstorm Warning | RNK | Grayson, Smyth | 27 min |
| Aug 11, 2:53 PM EDT | Areal Flood Advisory | RNK | Tazewell | 3 hr |
| Aug 11, 2:59 PM EDT | Tornado Warning | RNK | Grayson, Smyth | 31 min |
| Aug 11, 3:03 PM EDT | Special Weather Statement | RNK | Floyd, Giles, Montgomery, Pulaski, City of Radford | 27 min |
| Aug 11, 3:32 PM EDT | Special Weather Statement | RNK | Carroll, Floyd, Franklin, Patrick, Pittsylvania | 43 min |
| Aug 11, 3:41 PM EDT | Areal Flood Advisory | RNK | Smyth | 3 hr |
| Aug 11, 4:12 PM EDT | Special Weather Statement | RNK | Halifax, Henry, Patrick, Pittsylvania, City of Martinsville | 48 min |
| Aug 11, 4:47 PM EDT | Special Weather Statement | RNK | City of Danville | 28 min |
| Aug 11, 7:03 PM EDT | Severe Thunderstorm Warning | RNK | Bland, Giles, Pulaski, Smyth, Tazewell, Wythe | 72 min |
| Aug 11, 7:10 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Craig, City of Covington | 65 min |
| Aug 11, 3:30 PM EDT | Special Weather Statement | RNK | Ashe | 15 min |
| Aug 11, 3:42 PM EDT | Special Weather Statement | RNK | Wilkes | 48 min |
| Aug 11, 3:46 PM EDT | Special Weather Statement | RNK | Wilkes | 29 min |
| Aug 11, 3:51 PM EDT | Severe Thunderstorm Warning | RNK | Wilkes, Yadkin | 54 min |
| Aug 11, 4:04 PM EDT | Special Weather Statement | RNK | Ashe, Watauga | 26 min |
| Aug 11, 4:28 PM EDT | Special Weather Statement | RNK | Watauga | 32 min |
| Aug 11, 4:42 PM EDT | Flash Flood Warning | RNK | Wilkes | 5 hr |
| Aug 11, 4:44 PM EDT | Special Weather Statement | RNK | Wilkes, Yadkin | 31 min |
| Aug 11, 5:00 PM EDT | Special Weather Statement | RNK | Wilkes | 30 min |
| Aug 11, 5:14 PM EDT | Special Weather Statement | RNK | Yadkin | 31 min |
| Aug 11, 7:32 AM EDT | Special Weather Statement | RNK | Greenbrier | 28 min |
| Aug 11, 8:44 AM EDT | Special Weather Statement | RNK | Monroe | 31 min |
| Aug 11, 1:48 PM EDT | Special Weather Statement | RNK | Greenbrier | 27 min |
| Aug 11, 2:11 PM EDT | Severe Thunderstorm Warning | RNK | Mercer | 50 min |
| Aug 11, 2:15 PM EDT | Areal Flood Advisory | RNK | Greenbrier | 5 hr |
| Aug 11, 2:22 PM EDT | Special Weather Statement | RNK | Monroe, Summers | 23 min |
| Aug 11, 2:32 PM EDT | Areal Flood Advisory | RNK | Summers | 5 hr |
| Aug 11, 7:20 PM EDT | Areal Flood Advisory | RNK | Greenbrier | 7 hr |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2026Severe Thunderstorm Warnings in Virginia, 2026Every severe thunderstorm warning in 2026
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.