Alert archive / North Carolina / Mesoscale Discussions in 2013
Mesoscale Discussion 239
The Storm Prediction Center issued this mesoscale discussion at Feb 26, 2013, 6:17 PM EST for 17 counties in North Carolina; 4 counties in South Carolina. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Feb 26, 2013, 6:17 PM EST (23:17 UTC)
- Expired
- Feb 26, 2013, 8:15 PM EST
- In force
- 118 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 21 counties
Beaufort County, NC, Bladen County, NC, Brunswick County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Greene County, NC, Jones County, NC, Lenoir County, NC, New Hanover County, NC, Onslow County, NC, Pender County, NC, Pitt County, NC, Robeson County, NC, Sampson County, NC, Wayne County, NC, Dillon County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC
The radar
The Wilmington radar (KLTX), 58 km from the middle of the area, began a volume at 23:18 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, 11.3 hours before the alert went out and 220 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 511 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 657 m²/s²
- 0-3 km storm-relative helicity
- 835 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 |
|---|---|---|---|---|
| Feb 26, 6:54 AM EST | Mesoscale Discussion | SPC | Alleghany, Forsyth, Rockingham, Stokes, Surry, Wilkes and 1 more | 4 hr |
| Feb 26, 8:44 AM EST | Mesoscale Discussion | SPC | Brunswick, Columbus, New Hanover, Pender | 3 hr |
| Feb 26, 2:44 PM EST | Mesoscale Discussion | SPC | Bladen, Brunswick, Columbus, New Hanover, Pender | 91 min |
| Feb 26, 11:38 AM EST | Mesoscale Discussion | SPC | Allendale, Bamberg, Barnwell, Beaufort, Berkeley, Charleston and 6 more | 67 min |
Nearby
Mesoscale Discussions in North Carolina, 2013Mesoscale Discussions in South Carolina, 2013Every mesoscale discussion in 2013
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.