Alert archive / Virginia / Mesoscale Discussions in 2003
Mesoscale Discussion 2541
The Storm Prediction Center issued this mesoscale discussion at Nov 19, 2003, 10:57 AM EST for Dorchester County, Somerset County, Wicomico County, Maryland; 31 counties in North Carolina; 34 counties in Virginia. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Nov 19, 2003, 10:57 AM EST (15:57 UTC)
- Expired
- Nov 19, 2003, 12:30 PM EST
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 68 counties
Dorchester County, MD, Somerset County, MD, Wicomico County, MD, Beaufort County, NC, Bertie County, NC, Brunswick County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Currituck County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Halifax County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, New Hanover County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Accomack County, VA, Charles City County, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Hopewell, VA, City of Newport News, VA, City of Norfolk, VA, City of Petersburg, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Dinwiddie County, VA, Gloucester County, VA, Greensville County, VA, Henrico County, VA, Isle of Wight County, VA, James City County, VA, King and Queen County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Prince George County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, York County, VA
The radar
The Norfolk radar (KAKQ), 62 km from the middle of the area, began a volume at 15:58 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 4.0 hours before the alert went out and 236 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
- 24 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 971 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Nov 19, 8:50 AM EST | Tornado Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 10 more | 6 hr |
| Nov 19, 11:25 AM EST | Tornado Watch | SPC | Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 6 hr |
| Nov 19, 12:45 PM EST | Tornado Watch | SPC | Anne Arundel, Baltimore, Caroline, Cecil, Harford, Kent and 3 more | 5 hr |
| Nov 19, 12:47 PM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 5 more | 118 min |
| Nov 19, 2:27 PM EST | Mesoscale Discussion | SPC | Saint Mary's, Somerset, Worcester | 93 min |
| Nov 19, 2:56 PM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Cecil, Harford, Kent and 3 more | 2 hr |
| Nov 19, 3:59 PM EST | Mesoscale Discussion | SPC | Somerset, Worcester | 61 min |
| Nov 19, 2:20 AM EST | Tornado Watch | SPC | Alexander, Buncombe, Burke, Cabarrus, Caldwell, Catawba and 17 more | 6 hr |
| Nov 19, 5:14 AM EST | Mesoscale Discussion | SPC | Alexander, Burke, Cabarrus, Catawba, Cleveland, Davidson and 10 more | 61 min |
| Nov 19, 6:31 AM EST | Mesoscale Discussion | SPC | Alamance, Alexander, Alleghany, Anson, Bladen, Brunswick and 47 more | 119 min |
| Nov 19, 7:25 AM EST | Tornado Watch | SPC | Alamance, Alexander, Alleghany, Anson, Ashe, Bladen and 48 more | 6 hr |
| Nov 19, 11:29 AM EST | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Buncombe, Burke and 20 more | 61 min |
| Nov 19, 8:10 AM EST | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 53 more | 3 hr |
Nearby
Mesoscale Discussions in Virginia, 2003Mesoscale Discussions in North Carolina, 2003Mesoscale Discussions in Maryland, 2003Every mesoscale discussion in 2003
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.