Alert archive / North Carolina / Mesoscale Discussions in 2014

Mesoscale Discussion 22

January 11, 2014Richmond County, Georgia; 40 counties in North Carolina; 19 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Jan 11, 2014, 2:04 PM EST for Richmond County, Georgia; 40 counties in North Carolina; 19 counties in South Carolina. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued
Jan 11, 2014, 2:04 PM EST (19:04 UTC)
Expired
Jan 11, 2014, 3:00 PM EST
In force
56 min
Issued by
the Storm Prediction Center
All 60 counties

Richmond County, GA, Beaufort County, NC, Bladen County, NC, Brunswick County, NC, Carteret County, NC, Chatham County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Granville County, NC, Greene County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Moore County, NC, Nash County, NC, New Hanover County, NC, Onslow County, NC, Orange County, NC, Pamlico County, NC, Pender County, NC, Pitt County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Aiken County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 91 km from the middle of the area, began a volume at 19:06 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.1 hours before the alert went out and 178 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2014-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2014-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
35 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
419 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
406 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 11, 8:03 AM ESTMesoscale DiscussionSPCBaker, Baldwin, Bibb, Bleckley, Butts, Calhoun and 53 more27 min
Jan 11, 8:07 AM ESTTornado WatchSPCBaldwin, Barrow, Bibb, Bleckley, Butts, Chattahoochee and 63 more7 hr
Jan 11, 9:22 AM ESTMesoscale DiscussionSPCHart23 min
Jan 11, 9:30 AM ESTSevere Thunderstorm WatchSPCColumbia, Elbert, Lincoln, McDuffie6 hr
Jan 11, 11:04 AM ESTSevere Thunderstorm WatchSPCBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more6 hr
Jan 11, 11:50 AM ESTTornado WatchSPCBurke, Richmond6 hr
Jan 11, 12:17 PM ESTMesoscale DiscussionSPCAppling, Bacon, Baldwin, Ben Hill, Bleckley, Bryan and 32 more58 min
Jan 11, 1:51 PM ESTTornado WatchSPCAppling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 20 more3 hr
Jan 11, 1:53 PM ESTMesoscale DiscussionSPCBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 23 more97 min
Jan 11, 3:35 PM ESTMesoscale DiscussionSPCBrantley, Bryan, Camden, Charlton, Chatham, Effingham and 8 more55 min
Jan 11, 11:12 AM ESTMesoscale DiscussionSPCAlamance, Anson, Caswell, Chatham, Cumberland, Durham and 22 more63 min
Jan 11, 2:13 PM ESTTornado WatchSPCBeaufort, Brunswick, Carteret, Columbus, Craven, Dare and 13 more5 hr
Jan 11, 2:30 PM ESTTornado WatchSPCBertie, Camden, Chowan, Currituck, Gates, Hertford and 3 more4 hr
Jan 11, 4:14 PM ESTMesoscale DiscussionSPCBertie, Camden, Chowan, Currituck, Edgecombe, Gates and 6 more61 min
Jan 11, 4:37 PM ESTMesoscale DiscussionSPCBeaufort, Brunswick, Carteret, Columbus, Craven, Hyde and 5 more53 min

Nearby

Mesoscale Discussions in North Carolina, 2014Mesoscale Discussions in South Carolina, 2014Mesoscale Discussions in Georgia, 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.