Alert archive / North Carolina / Mesoscale Discussions in 2008
Mesoscale Discussion 2174
The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2008, 12:24 PM EDT for 59 counties in North Carolina. It was in force for 66 min.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2008, 12:24 PM EDT (16:24 UTC)
- Expired
- Aug 27, 2008, 1:30 PM EDT
- In force
- 66 min
- Issued by
- the Storm Prediction Center
All 59 counties
Alamance County, NC, Anson County, NC, Beaufort County, NC, Bertie County, NC, Bladen County, NC, Camden County, NC, Carteret County, NC, Caswell County, NC, Chatham County, NC, Chowan County, NC, Craven County, NC, Cumberland County, NC, Currituck County, NC, Dare County, NC, Davidson County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Forsyth County, NC, Franklin County, NC, Gates County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hoke County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Northampton County, NC, Onslow County, NC, Orange County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans 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, Tyrrell County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 54 km from the middle of the area, began a volume at 16:24 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, 4.4 hours before the alert went out and 125 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
- 2171 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 559 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 84 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 |
|---|---|---|---|---|
| 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, 2:34 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Camden and 52 more | 56 min |
| Aug 27, 4:26 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Bertie, Bladen, Chatham, Cumberland and 35 more | 34 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.