Alert archive / North Carolina / Mesoscale Discussions in 2008
Mesoscale Discussion 1997
The Storm Prediction Center issued this mesoscale discussion at Aug 2, 2008, 2:30 PM EDT for 61 counties in North Carolina; 7 counties in South Carolina; Grayson County, Virginia. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2008, 2:30 PM EDT (18:30 UTC)
- Expired
- Aug 2, 2008, 4:00 PM EDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 69 counties
Alamance County, NC, Alexander County, NC, Alleghany County, NC, Anson County, NC, Ashe County, NC, Avery County, NC, Bladen County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Caswell County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Forsyth County, NC, Franklin County, NC, Gaston County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Johnston County, NC, Lee County, NC, Lenoir County, NC, Lincoln County, NC, Martin County, NC, McDowell County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Pender County, NC, Person County, NC, Pitt County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rockingham County, NC, Rowan County, NC, Rutherford County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Stokes County, NC, Surry County, NC, Union County, NC, Wake County, NC, Watauga County, NC, Wayne County, NC, Wilkes County, NC, Wilson County, NC, Yadkin County, NC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Dillon County, SC, Lancaster County, SC, Marlboro County, SC, York County, SC, Grayson County, VA
The radar
The Raleigh/Durham radar (KRAX), 157 km from the middle of the area, began a volume at 18:30 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.5 hours before the alert went out and 71 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
- 617 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1463 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 2, 11:45 AM EDT | Mesoscale Discussion | SPC | Alamance, Cabarrus, Chatham, Davidson, Durham, Guilford and 12 more | 30 min |
| Aug 2, 12:02 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Alexander, Alleghany, Anson, Ashe, Burke and 50 more | 8 hr |
| Aug 2, 6:26 PM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Alleghany, Anson, Ashe, Avery and 56 more | 94 min |
| Aug 2, 7:22 PM EDT | Severe Thunderstorm Watch | SPC | Beaufort, Bladen, Brunswick, Carteret, Columbus, Craven and 25 more | 6 hr |
| Aug 2, 5:51 PM EDT | Severe Thunderstorm Watch | SPC | Abbeville, Anderson, Cherokee, Chester, Greenville, Greenwood and 6 more | 5 hr |
| Aug 2, 1:18 PM EDT | Mesoscale Discussion | SPC | Accomack, Albemarle, Arlington, Caroline, Charles City, Clarke and 45 more | 57 min |
| Aug 2, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Arlington, Augusta, Clarke, Culpeper, Fairfax and 28 more | 8 hr |
| Aug 2, 4:05 PM EDT | Severe Thunderstorm Watch | SPC | Accomack, Alleghany, Amelia, Amherst, Appomattox, Bath and 84 more | 6 hr |
| Aug 2, 7:09 PM EDT | Mesoscale Discussion | SPC | Accomack, Albemarle, Alleghany, Amelia, Amherst, Appomattox and 118 more | 96 min |
Nearby
Mesoscale Discussions in North Carolina, 2008Mesoscale Discussions in South Carolina, 2008Mesoscale Discussions in Virginia, 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.