Alert archive / North Carolina / Mesoscale Discussions in 2008
Mesoscale Discussion 2176
The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2008, 4:26 PM EDT for 41 counties in North Carolina. It was in force for 34 min.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2008, 4:26 PM EDT (20:26 UTC)
- Expired
- Aug 27, 2008, 5:00 PM EDT
- In force
- 34 min
- Issued by
- the Storm Prediction Center
All 41 counties
Alamance County, NC, Anson County, NC, Bertie County, NC, Bladen County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Northampton County, NC, Orange County, NC, Person County, NC, Pitt County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 29 km from the middle of the area, began a volume at 20:26 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.4 hours before the alert went out and 127 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
- 229 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 493 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 237 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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 26, 10:10 PM EDT | Mesoscale Discussion | SPC | Anson, Gaston, Union | 95 min |
| Aug 27, 1:56 AM EDT | Tornado Watch | SPC | Anson, Cabarrus, Cleveland, Davidson, Gaston, Lincoln and 6 more | 8 hr |
| Aug 27, 4:52 AM EDT | Mesoscale Discussion | SPC | Cabarrus, Davidson, Davie, Forsyth, Iredell, Mecklenburg and 3 more | 83 min |
| Aug 27, 8:44 AM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Carteret, Chowan, Columbus and 25 more | 91 min |
| Aug 27, 9:16 AM EDT | Tornado Watch | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Camden and 52 more | 8 hr |
| Aug 27, 12:24 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Camden and 53 more | 66 min |
| Aug 27, 2:34 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Camden and 52 more | 56 min |
Nearby
Mesoscale 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.