Alert archive / North Carolina / Mesoscale Discussions in 2019
Mesoscale Discussion 324
The Storm Prediction Center issued this mesoscale discussion at Apr 13, 2019, 3:23 PM EDT for 44 counties in North Carolina; 11 counties in South Carolina. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2019, 3:23 PM EDT (19:23 UTC)
- Expired
- Apr 13, 2019, 5:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 55 counties
Anson County, NC, Bertie County, NC, Bladen County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Cumberland County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Gaston County, NC, Greene County, NC, Harnett County, NC, Henderson County, NC, Hoke County, NC, Iredell County, NC, Johnston County, NC, Lee County, NC, Lenoir County, NC, Lincoln County, NC, Martin County, NC, McDowell County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Pitt County, NC, Polk County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rowan County, NC, Rutherford County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Fairfield County, SC, Greenville County, SC, Kershaw County, SC, Lancaster County, SC, Marlboro County, SC, Spartanburg County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 168 km from the middle of the area, began a volume at 19:22 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, 7.4 hours before the alert went out and 92 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
- 807 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted.
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Mesoscale Discussions in North Carolina, 2019Mesoscale Discussions in South Carolina, 2019Every mesoscale discussion in 2019
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.