Alert archive / Virginia / Mesoscale Discussions in 2007
Mesoscale Discussion 1812
The Storm Prediction Center issued this mesoscale discussion at Aug 19, 2007, 11:58 PM EDT for 5 counties in Maryland; 15 counties in Virginia. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Aug 19, 2007, 11:58 PM EDT (03:58 UTC)
- Expired
- Aug 20, 2007, 1:30 AM EDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
Counties Dorchester County, MD, Saint Mary's County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Accomack County, VA, City of Poquoson, VA, Essex County, VA, Gloucester County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Richmond County, VA, Westmoreland County, VA, York County, VA
The radar
The Norfolk radar (KAKQ), 121 km from the middle of the area, began a volume at 03:59 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 text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 8:14 PM EDT | Mesoscale Discussion | SPC | Calvert, Caroline, Charles, Dorchester, Prince George's, Saint Mary's and 4 more | 91 min |
| Aug 20, 12:18 PM EDT | Mesoscale Discussion | SPC | Garrett | 117 min |
| Aug 20, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 7 hr |
| Aug 20, 7:11 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 94 min |
| Aug 19, 8:39 PM EDT | Severe Thunderstorm Watch | SPC | Accomack, Amelia, Caroline, Charles City, Chesterfield, Cumberland and 40 more | 5 hr |
Nearby
Mesoscale Discussions in Virginia, 2007Mesoscale Discussions in Maryland, 2007Every mesoscale discussion in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.