Alert archive / Virginia / Mesoscale Discussions in 2008
Mesoscale Discussion 1728
The Storm Prediction Center issued this mesoscale discussion at Jul 8, 2008, 3:48 PM EDT for 24 counties in North Carolina; 27 counties in Virginia. It was in force for 57 min.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2008, 3:48 PM EDT (19:48 UTC)
- Expired
- Jul 8, 2008, 4:45 PM EDT
- In force
- 57 min
- Issued by
- the Storm Prediction Center
All 51 counties
Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Currituck County, NC, Dare County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Pamlico County, NC, Pasquotank County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Charles City County, VA, City of Chesapeake, VA, City of Franklin, VA, City of Hampton, VA, City of Newport News, VA, City of Norfolk, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Essex County, VA, Gloucester County, VA, Isle of Wight County, VA, James City 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, Southampton County, VA, Surry County, VA, York County, VA
The radar
The Norfolk radar (KAKQ), 49 km from the middle of the area, began a volume at 19:48 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 nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 7.8 hours before the alert went out and 202 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
- 2357 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 643 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
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 |
|---|---|---|---|---|
| Jul 8, 12:34 PM EDT | Mesoscale Discussion | SPC | Anson, Beaufort, Bertie, Bladen, Brunswick, Camden and 49 more | 86 min |
| Jul 8, 1:03 PM EDT | Severe Thunderstorm Watch | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Craven and 32 more | 9 hr |
| Jul 8, 1:04 PM EDT | Mesoscale Discussion | SPC | Buncombe, Cherokee, Clay, Graham, Haywood, Henderson and 6 more | 56 min |
| Jul 8, 5:45 PM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Columbus, Cumberland, Davidson, Harnett and 11 more | 30 min |
| Jul 8, 6:34 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Anson, Chatham, Cumberland, Davidson, Durham and 25 more | 4 hr |
| Jul 8, 2:46 AM EDT | Mesoscale Discussion | SPC | Albemarle, Amelia, Buckingham, Cumberland, Fluvanna, Goochland and 12 more | 2 hr |
Nearby
Mesoscale Discussions in Virginia, 2008Mesoscale Discussions in North Carolina, 2008Every mesoscale discussion in 2008
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.