Alert archive / North Carolina / Mesoscale Discussions in 2011
Mesoscale Discussion 2333
The Storm Prediction Center issued this mesoscale discussion at Nov 16, 2011, 4:06 PM EST for 17 counties in Georgia; 43 counties in North Carolina; 36 counties in South Carolina. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Nov 16, 2011, 4:06 PM EST (21:06 UTC)
- Expired
- Nov 16, 2011, 6:00 PM EST
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 96 counties
Appling County, GA, Bacon County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Effingham County, GA, Evans County, GA, Jeff Davis County, GA, Jenkins County, GA, Liberty County, GA, Long County, GA, Montgomery County, GA, Screven County, GA, Tattnall County, GA, Toombs County, GA, Alamance County, NC, Alexander County, NC, Anson County, NC, Bladen County, NC, Cabarrus County, NC, Caswell County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Columbus County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Franklin County, NC, Gaston County, NC, Granville County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Johnston County, NC, Lee County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rockingham County, NC, Rowan County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Stokes County, NC, Union County, NC, Vance County, NC, Wake County, NC, Yadkin County, NC, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Fairfield County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC, Union County, SC, Williamsburg County, SC, York County, SC
The radar
The Columbia radar (KCAE), 48 km from the middle of the area, began a volume at 21:06 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
Charleston AFB, SC (KCHS), launched 12:00Z, 9.1 hours before the alert went out and 133 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
- 347 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
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 |
|---|---|---|---|---|
| Nov 16, 8:25 AM EST | Mesoscale Discussion | SPC | Carroll, Clayton, Coweta, Douglas, Fayette, Haralson and 7 more | 95 min |
| Nov 16, 10:46 AM EST | Tornado Watch | SPC | Bartow, Carroll, Catoosa, Chattahoochee, Chattooga, Cherokee and 38 more | 7 hr |
| Nov 16, 10:59 AM EST | Mesoscale Discussion | SPC | Bartow, Carroll, Catoosa, Chattahoochee, Chattooga, Cherokee and 35 more | 91 min |
| Nov 16, 1:17 PM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Banks and 110 more | 118 min |
| Nov 16, 1:35 PM EST | Tornado Watch | SPC | Baker, Baldwin, Banks, Barrow, Ben Hill, Berrien and 83 more | 7 hr |
| Nov 16, 4:30 PM EST | Tornado Watch | SPC | Bryan, Bulloch, Candler, Chatham, Effingham, Evans and 6 more | 7 hr |
| Nov 16, 5:35 PM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Berrien, Brantley, Brooks and 16 more | 85 min |
| Nov 16, 6:48 PM EST | Mesoscale Discussion | SPC | Chatham, Effingham, Screven | 87 min |
| Nov 16, 4:45 PM EST | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Chowan, Currituck, Dare and 11 more | 90 min |
Nearby
Mesoscale Discussions in North Carolina, 2011Mesoscale Discussions in South Carolina, 2011Mesoscale Discussions in Georgia, 2011Every mesoscale discussion in 2011
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.