Alert archive / North Carolina / Mesoscale Discussions in 2014
Mesoscale Discussion 1995
The Storm Prediction Center issued this mesoscale discussion at Dec 24, 2014, 10:42 AM EST for 19 counties in North Carolina; 4 counties in South Carolina. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Dec 24, 2014, 10:42 AM EST (15:42 UTC)
- Expired
- Dec 24, 2014, 11:45 AM EST
- In force
- 63 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 23 counties
Beaufort County, NC, Bladen County, NC, Brunswick County, NC, Carteret County, NC, Columbus County, NC, Craven County, NC, Duplin County, NC, Greene County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pender County, NC, Pitt County, NC, Sampson County, NC, Wayne County, NC, Wilson County, NC, Georgetown County, SC, Horry County, SC, Marion County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 65 km from the middle of the area, began a volume at 15:46 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
Newport, NC (KMHX), launched 12:00Z, 3.7 hours before the alert went out and 108 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
- 859 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 373 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.9
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 |
|---|---|---|---|---|
| Dec 24, 5:02 AM EST | Mesoscale Discussion | SPC | Beaufort, Hampton, Jasper | 118 min |
| Dec 24, 6:32 AM EST | Tornado Watch | SPC | Allendale, Beaufort, Berkeley, Charleston, Colleton, Dorchester and 2 more | 7 hr |
| Dec 24, 8:50 AM EST | Mesoscale Discussion | SPC | Allendale, Bamberg, Barnwell, Beaufort, Berkeley, Charleston and 5 more | 115 min |
Nearby
Mesoscale Discussions in North Carolina, 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.