Alert archive / Virginia / Mesoscale Discussions / 2020
Mesoscale Discussions in Virginia, December 2020
6 mesoscale discussions in December 2020. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in December 2020. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- December 16, 20203 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 16, 6:36 AM EST | Mesoscale Discussion | SPC | Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 22 more | 4 hr |
| Dec 16, 8:38 AM EST | Mesoscale Discussion | SPC | Clarke, Frederick, Highland, Rockingham, Shenandoah, Warren and 2 more | 6 hr |
| Dec 16, 1:57 PM EST | Mesoscale Discussion | SPC | Clarke, Fauquier, Frederick, Loudoun, Page, Rappahannock and 3 more | 5 hr |
| Dec 24, 2:28 PM EST | Mesoscale Discussion | SPC | Bland, Buchanan, Dickenson, Lee, Russell, Scott and 6 more | 5 hr |
| Dec 24, 4:45 PM EST | Mesoscale Discussion | SPC | Isle of Wight, James City, Southampton, Surry, York, City of Chesapeake and 9 more | 60 min |
| Dec 24, 10:46 PM EST | Mesoscale Discussion | SPC | Isle of Wight, James City, Southampton, Surry, York, City of Chesapeake and 9 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bland County2
- Clarke County2
- Frederick County2
- Shenandoah County2
- Warren County2
- City of Winchester2
- Isle of Wight County2
- James City County2
- Southampton County2
- Surry County2
- York County2
- City of Chesapeake2
- City of Franklin2
- City of Hampton2
- City of Newport News2
- City of Norfolk2
- City of Poquoson2
- City of Portsmouth2
- City of Suffolk2
- City of Virginia Beach2
- City of Williamsburg2
- Alleghany County1
- Amherst County1
- Bath County1
- Bedford County1
- Botetourt County1
- Carroll County1
- Craig County1
- Floyd County1
- Franklin County1
- Giles County1
- Grayson County1
- Henry County1
- Montgomery County1
- Patrick County1
- Pulaski County1
- Roanoke County1
- Rockbridge County1
- Wythe County1
- City of Buena Vista1
26 more counties
- City of Covington1
- City of Galax1
- City of Lexington1
- City of Lynchburg1
- City of Martinsville1
- City of Radford1
- City of Roanoke1
- City of Salem1
- Highland County1
- Rockingham County1
- City of Harrisonburg1
- Fauquier County1
- Loudoun County1
- Page County1
- Rappahannock County1
- Buchanan County1
- Dickenson County1
- Lee County1
- Russell County1
- Scott County1
- Smyth County1
- Tazewell County1
- Washington County1
- Wise County1
- City of Bristol1
- City of Norton1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.