Alert archive / North Carolina / Mesoscale Discussions in 2008
Mesoscale Discussion 848
The Storm Prediction Center issued this mesoscale discussion at May 9, 2008, 10:41 PM EDT for 29 counties in North Carolina. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- May 9, 2008, 10:41 PM EDT (02:41 UTC)
- Expired
- May 9, 2008, 11:45 PM EDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
All 29 counties
Anson County, NC, Bladen County, NC, Carteret County, NC, Chatham County, NC, Craven County, NC, Cumberland County, NC, Davidson County, NC, Duplin County, NC, Greene County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Montgomery County, NC, Moore County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pender County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Wake County, NC, Wayne County, NC
The radar
The Raleigh/Durham radar (KRAX), 56 km from the middle of the area, began a volume at 02:43 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 00:00Z, 2.7 hours before the alert went out and 159 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
- 530 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1660 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.6
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 |
|---|---|---|---|---|
| May 9, 8:55 PM EDT | Severe Thunderstorm Watch | SPC | Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 24 more | 4 hr |
| May 9, 11:08 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Anson, Beaufort, Carteret, Chatham, Craven and 40 more | 4 hr |
| May 9, 11:37 PM EDT | Mesoscale Discussion | SPC | Alexander, Buncombe, Burke, Cabarrus, Caldwell, Catawba and 22 more | 53 min |
| May 10, 2:02 AM EDT | Mesoscale Discussion | SPC | Alamance, Beaufort, Carteret, Chatham, Craven, Cumberland and 21 more | 88 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.