Alert archive / North Carolina / Mesoscale Discussions in 2014
Mesoscale Discussion 955
The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2014, 2:25 PM EDT for 63 counties in North Carolina; 26 counties in South Carolina; 27 counties in Virginia. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2014, 2:25 PM EDT (18:25 UTC)
- Expired
- Jun 11, 2014, 4:00 PM EDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 116 counties
Alamance County, NC, Alexander County, NC, Anson County, NC, Beaufort County, NC, Bertie County, NC, Bladen County, NC, Cabarrus County, NC, Caswell County, NC, Catawba County, NC, Chatham County, NC, Chowan 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, Gates County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hoke County, NC, Iredell County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Lincoln County, NC, Martin County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Northampton County, NC, Orange County, NC, Person County, NC, Pitt County, NC, Polk 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, Union County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Yadkin County, NC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens 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, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC, Amelia County, VA, Appomattox County, VA, Brunswick County, VA, Campbell County, VA, Charlotte County, VA, Chesterfield County, VA, City of Colonial Heights, VA, City of Danville, VA, City of Emporia, VA, City of Franklin, VA, City of Hopewell, VA, City of Lynchburg, VA, City of Martinsville, VA, City of Petersburg, VA, Dinwiddie County, VA, Greensville County, VA, Halifax County, VA, Henrico County, VA, Henry County, VA, Lunenburg County, VA, Mecklenburg County, VA, Nottoway County, VA, Pittsylvania County, VA, Prince Edward County, VA, Prince George County, VA, Southampton County, VA, Sussex County, VA
The radar
The Raleigh/Durham radar (KRAX), 113 km from the middle of the area, began a volume at 18:27 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, 6.4 hours before the alert went out and 93 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1762 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 79 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 |
|---|---|---|---|---|
| Jun 11, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | Bertie, Camden, Caswell, Chowan, Currituck, Gates and 11 more | 7 hr |
| Jun 11, 6:56 PM EDT | Mesoscale Discussion | SPC | Alleghany, Caswell, Davidson, Davie, Forsyth, Rockingham and 4 more | 94 min |
| Jun 11, 12:25 PM EDT | Mesoscale Discussion | SPC | Alleghany, Bath, Bland, Buchanan, Craig, Dickenson and 12 more | 2 hr |
| Jun 11, 1:32 PM EDT | Mesoscale Discussion | SPC | Arlington, Clarke, Fairfax, Fauquier, Frederick, Loudoun and 8 more | 118 min |
| Jun 11, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | Smyth, Tazewell | 7 hr |
| Jun 11, 2:59 PM EDT | Tornado Watch | SPC | Arlington, Clarke, Fairfax, Fauquier, Frederick, Loudoun and 9 more | 6 hr |
Nearby
Mesoscale Discussions in North Carolina, 2014Mesoscale Discussions in Virginia, 2014Mesoscale Discussions in South Carolina, 2014Every mesoscale discussion in 2014
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.