Alert archive / Virginia / Severe Thunderstorm Watches in 2021
Severe Thunderstorm Watch 267
The Storm Prediction Center issued this severe thunderstorm watch at Jun 13, 2021, 4:56 PM EDT for 7 counties in Kentucky; 13 counties in Virginia; 11 counties in West Virginia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 2021, 4:56 PM EDT (20:56 UTC)
- Expired
- Jun 13, 2021, 10:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 55 kt
All 31 counties
Carter County, KY, Elliott County, KY, Floyd County, KY, Johnson County, KY, Lawrence County, KY, Martin County, KY, Pike County, KY, Alleghany County, VA, Bath County, VA, Bland County, VA, Botetourt County, VA, Buchanan County, VA, City of Buena Vista, VA, City of Covington, VA, City of Lexington, VA, Craig County, VA, Dickenson County, VA, Giles County, VA, Rockbridge County, VA, Tazewell County, VA, Boone County, WV, Fayette County, WV, Greenbrier County, WV, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monroe County, WV, Raleigh County, WV, Summers County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 69 km from the middle of the area, began a volume at 21:00 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 5:33 PM EDT | Flash Flood Warning | RLX | Carter, Greenup | 3 hr |
| Jun 13, 5:34 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Rockbridge, City of Buena Vista, City of Lexington | 41 min |
| Jun 13, 5:54 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Bath, Botetourt, Rockbridge | 66 min |
| Jun 13, 6:04 PM EDT | Severe Thunderstorm Warning | RLX | Cabell, Lincoln, Logan, Wayne | 41 min |
| Jun 13, 6:09 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Botetourt, Rockbridge, City of Buena Vista | 51 min |
| Jun 13, 6:18 PM EDT | Severe Thunderstorm Warning | RLX | Braxton, Clay, Fayette, Kanawha, Nicholas, Pocahontas and 2 more | 42 min |
| Jun 13, 6:36 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Kanawha, Lincoln, Logan, Putnam | 39 min |
| Jun 13, 6:44 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Botetourt, Rockbridge, City of Lynchburg | 61 min |
| Jun 13, 6:49 PM EDT | Severe Thunderstorm Warning | RLX | Clay, Fayette, Kanawha, Nicholas, Pocahontas, Raleigh and 1 more | 41 min |
| Jun 13, 6:50 PM EDT | Severe Thunderstorm Warning | RNK | Greenbrier | 70 min |
| Jun 13, 7:01 PM EDT | Severe Thunderstorm Warning | RLX | Logan, Mingo | 44 min |
| Jun 13, 7:08 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Fayette, Kanawha, Logan, Raleigh, Wyoming | 52 min |
| Jun 13, 7:13 PM EDT | Severe Thunderstorm Warning | RNK | Bedford, Botetourt, Campbell, Franklin, Roanoke, City of Lynchburg and 2 more | 62 min |
| Jun 13, 7:24 PM EDT | Severe Thunderstorm Warning | RLX | Fayette, Nicholas, Pocahontas, Raleigh | 51 min |
| Jun 13, 7:35 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany | 55 min |
| Jun 13, 7:54 PM EDT | Severe Thunderstorm Warning | RLX | Fayette, Raleigh | 51 min |
| Jun 13, 7:58 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Bath | 32 min |
| Jun 13, 8:00 PM EDT | Flash Flood Warning | RLX | Boone, Fayette, Kanawha, Raleigh | 2 hr |
| Jun 13, 8:17 PM EDT | Severe Thunderstorm Warning | RNK | Craig, Giles, Montgomery, Pulaski, City of Radford | 58 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 8.9 hours before the alert went out and 206 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
- 60 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 614 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
512 WWUS20 KWNS 132052 SEL7 SPC WW 132052 KYZ000-VAZ000-WVZ000-140200- URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 267 NWS Storm Prediction Center Norman OK 455 PM EDT Sun Jun 13 2021 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far eastern Kentucky Southwest Virginia Southern West Virginia * Effective this Sunday afternoon and evening from 455 PM until 1000 PM EDT. * Primary threats include... Scattered damaging wind gusts to 65 mph possible SUMMARY...Multiple clusters across West Virginia may consolidate into a south-southeast propagating short-line segment. Damaging winds will be the primary hazard until thunderstorms weaken later this evening. The severe thunderstorm watch area is approximately along and 40 statute miles north and south of a line from 5 miles north of Jackson KY to 40 miles east northeast of Roanoke VA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 264...WW 265...WW 266... AVIATION...A few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 55 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 33025. ...Grams
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 12:50 PM EDT | Severe Thunderstorm Watch | SPC | Boyd, Greenup | 7 hr |
| Jun 13, 2:04 PM EDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyle, Bracken and 48 more | 56 min |
| Jun 13, 3:26 PM EDT | Mesoscale Discussion | SPC | Boyd, Greenup | 94 min |
| Jun 13, 4:31 PM EDT | Mesoscale Discussion | SPC | Bath, Boyd, Carter, Elliott, Fleming, Floyd and 11 more | 89 min |
| Jun 13, 7:05 PM EDT | Mesoscale Discussion | SPC | Martin | 85 min |
| Jun 13, 12:13 PM EDT | Mesoscale Discussion | SPC | Frederick, Rockingham, Shenandoah, City of Winchester | 2 hr |
| Jun 13, 12:32 PM EDT | Mesoscale Discussion | SPC | Arlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 13 more | 118 min |
Nearby
Severe Thunderstorm Watches in Virginia, 2021Severe Thunderstorm Watches in West Virginia, 2021Severe Thunderstorm Watches in Kentucky, 2021Every severe thunderstorm watch in 2021
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.