Alert archive / Virginia / Mesoscale Discussions / 2009
Mesoscale Discussions in Virginia, December 2009
12 mesoscale discussions in December 2009. 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 2009. Tap one for its archive.
- Mesoscale Discussions
- 12
- Busiest day
- December 19, 20094 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 2, 8:31 PM EST | Mesoscale Discussion | SPC | Amelia, Brunswick, Charles City, Charlotte, Chesterfield, Cumberland and 42 more | 89 min |
| Dec 3, 12:12 AM EST | Mesoscale Discussion | SPC | Accomack, Amelia, Brunswick, Caroline, Charles City, Chesterfield and 43 more | 93 min |
| Dec 8, 1:14 PM EST | Mesoscale Discussion | SPC | Alleghany, Bath, Highland, City of Covington | 5 hr |
| Dec 9, 7:18 AM EST | Mesoscale Discussion | SPC | City of Chesapeake | 57 min |
| Dec 18, 1:32 PM EST | Mesoscale Discussion | SPC | Alleghany, Bedford, Bland, Botetourt, Carroll, Craig and 22 more | 4 hr |
| Dec 18, 7:22 PM EST | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 107 more | 5 hr |
| Dec 19, 12:34 AM EST | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 59 more | 5 hr |
| Dec 19, 6:57 AM EST | Mesoscale Discussion | SPC | Albemarle, Alleghany, Arlington, Augusta, Bath, Caroline and 37 more | 6 hr |
| Dec 19, 12:27 PM EST | Mesoscale Discussion | SPC | Arlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 14 more | 6 hr |
| Dec 24, 11:11 PM EST | Mesoscale Discussion | SPC | Alleghany, Bath, Bedford, Bland, Botetourt, Carroll and 21 more | 6 hr |
| Dec 25, 6:31 AM EST | Mesoscale Discussion | SPC | Alleghany, Amherst, Augusta, Bath, Bedford, Bland and 25 more | 4 hr |
| Dec 30, 10:57 PM EST | Mesoscale Discussion | SPC | Albemarle, Amelia, Amherst, Appomattox, Arlington, Augusta and 53 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alleghany County7
- City of Covington7
- Bath County6
- Bedford County6
- Botetourt County6
- Rockbridge County6
- City of Buena Vista6
- City of Lexington6
- Amelia County5
- Chesterfield County5
- Cumberland County5
- Hanover County5
- Powhatan County5
- Prince Edward County5
- City of Richmond5
- Caroline County5
- Highland County5
- Carroll County5
- Craig County5
- Floyd County5
- Franklin County5
- Henry County5
- Montgomery County5
- Patrick County5
- Roanoke County5
- City of Martinsville5
- City of Roanoke5
- City of Salem5
- Arlington County5
- Augusta County5
- Culpeper County5
- Fairfax County5
- Fauquier County5
- King George County5
- Loudoun County5
- Prince William County5
- Rappahannock County5
- Stafford County5
- City of Alexandria5
- City of Fairfax5
93 more counties
- City of Falls Church5
- City of Fredericksburg5
- City of Manassas5
- City of Manassas Park5
- City of Staunton5
- Goochland County4
- Henrico County4
- King and Queen County4
- King William County4
- Bland County4
- Giles County4
- Grayson County4
- Pulaski County4
- Wythe County4
- City of Galax4
- City of Radford4
- Albemarle County4
- Amherst County4
- Clarke County4
- Fluvanna County4
- Greene County4
- Louisa County4
- Madison County4
- Nelson County4
- Orange County4
- Page County4
- Shenandoah County4
- Spotsylvania County4
- Warren County4
- City of Charlottesville4
- City of Lynchburg4
- City of Waynesboro4
- City of Winchester4
- Brunswick County3
- Charles City County3
- Charlotte County3
- Dinwiddie County3
- Gloucester County3
- James City County3
- Lancaster County3
- Lunenburg County3
- Mecklenburg County3
- Middlesex County3
- New Kent County3
- Nottoway County3
- Prince George County3
- City of Chesapeake3
- City of Colonial Heights3
- City of Danville3
- City of Hopewell3
- City of Petersburg3
- City of Williamsburg3
- Essex County3
- Richmond County3
- Pittsylvania County3
- Smyth County3
- Appomattox County3
- Buckingham County3
- Campbell County3
- Rockingham County3
- City of Harrisonburg3
- Frederick County3
- Greensville County2
- Halifax County2
- Isle of Wight County2
- Mathews County2
- Northampton County2
- Southampton County2
- Surry County2
- Sussex County2
- York County2
- City of Emporia2
- 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
- Northumberland County2
- Tazewell County2
- Washington County2
- City of Bristol2
- Westmoreland County2
- Accomack County1
- Buchanan County1
- Dickenson County1
- Lee County1
- Russell County1
- Scott County1
- Wise County1
- City of Norton1
Nearby
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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.