Alert archive / South Carolina / Mesoscale Discussions in 2011
Mesoscale Discussion 2135
The Storm Prediction Center issued this mesoscale discussion at Sep 5, 2011, 5:48 PM EDT for 25 counties in Georgia; 25 counties in North Carolina; 26 counties in South Carolina. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Sep 5, 2011, 5:48 PM EDT (21:48 UTC)
- Expired
- Sep 5, 2011, 7:15 PM EDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 76 counties
Appling County, GA, Bacon County, GA, Brantley County, GA, Bryan County, GA, Bulloch County, GA, Camden County, GA, Candler County, GA, Chatham County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glynn County, GA, Jeff Davis County, GA, Jenkins County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Montgomery County, GA, Pierce County, GA, Screven County, GA, Tattnall County, GA, Toombs County, GA, Treutlen County, GA, Ware County, GA, Wayne County, GA, Bladen County, NC, Brunswick County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Greene County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Moore County, NC, New Hanover County, NC, Onslow County, NC, Pender County, NC, Pitt County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Kershaw County, SC, Lee 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), 115 km from the middle of the area, began a volume at 21:48 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
Charleston AFB, SC (KCHS), launched 12:00Z, 9.8 hours before the alert went out and 75 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
- 175 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1017 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Sep 5, 5:26 AM EDT | Mesoscale Discussion | SPC | Clay, Early, Quitman, Seminole | 94 min |
| Sep 5, 6:35 AM EDT | Tornado Watch | SPC | Baker, Calhoun, Clay, Decatur, Dougherty, Early and 9 more | 10 hr |
| Sep 5, 8:24 AM EDT | Mesoscale Discussion | SPC | Baldwin, Barrow, Bibb, Butts, Carroll, Chattahoochee and 42 more | 66 min |
| Sep 5, 12:01 PM EDT | Mesoscale Discussion | SPC | Baker, Baldwin, Barrow, Bartow, Ben Hill, Berrien and 85 more | 29 min |
| Sep 5, 12:10 PM EDT | Tornado Watch | SPC | Bartow, Bibb, Butts, Carroll, Chattahoochee, Chattooga and 46 more | 4 hr |
| Sep 5, 1:23 PM EDT | Mesoscale Discussion | SPC | Baldwin, Burke, Columbia, Elbert, Emanuel, Glascock and 17 more | 67 min |
| Sep 5, 3:05 PM EDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 75 more | 55 min |
| Sep 5, 3:42 PM EDT | Tornado Watch | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 81 more | 7 hr |
| Sep 5, 4:04 PM EDT | Severe Thunderstorm Watch | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more | 6 hr |
| Sep 5, 4:15 PM EDT | Mesoscale Discussion | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more | 30 min |
| Sep 5, 6:12 PM EDT | Severe Thunderstorm Watch | SPC | Burke, Richmond | 4 hr |
| Sep 5, 7:37 PM EDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 77 more | 113 min |
| Sep 5, 5:52 PM EDT | Mesoscale Discussion | SPC | Alamance, Alleghany, Ashe, Caswell, Chatham, Durham and 13 more | 53 min |
| Sep 5, 6:29 PM EDT | Tornado Watch | SPC | Alamance, Alleghany, Caswell, Davidson, Forsyth, Guilford and 6 more | 10 hr |
Nearby
Mesoscale Discussions in South Carolina, 2011Mesoscale Discussions in Georgia, 2011Mesoscale Discussions in North Carolina, 2011Every mesoscale discussion in 2011
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.