Alert archive / South Carolina / Mesoscale Discussions in 2019
Mesoscale Discussion 348
The Storm Prediction Center issued this mesoscale discussion at Apr 14, 2019, 5:43 PM EDT for Effingham County, Georgia; 17 counties in North Carolina; 22 counties in South Carolina. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 14, 2019, 5:43 PM EDT (21:43 UTC)
- Expired
- Apr 14, 2019, 7:45 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 40 counties
Effingham County, GA, Anson County, NC, Bladen County, NC, Brunswick County, NC, Columbus County, NC, Cumberland County, NC, Duplin County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Moore County, NC, Pender County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Wayne County, NC, Bamberg 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, Lee County, SC, Marion County, SC, Marlboro County, SC, Orangeburg County, SC, Sumter County, SC, Williamsburg County, SC
The radar
The Columbia radar (KCAE), 125 km from the middle of the area, began a volume at 21:46 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 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, 9.7 hours before the alert went out and 84 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
- 663 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 1:39 AM EDT | Mesoscale Discussion | SPC | Chattooga, Dade, Floyd, Walker | 66 min |
| Apr 14, 5:20 AM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Catoosa, Chattooga, Coweta, Dade and 11 more | 115 min |
| Apr 14, 6:36 AM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Catoosa, Chattooga, Coweta, Dade and 11 more | 54 min |
| Apr 14, 7:28 AM EDT | Tornado Watch | SPC | Banks, Barrow, Bartow, Bibb, Bleckley, Butts and 69 more | 7 hr |
| Apr 14, 8:28 AM EDT | Mesoscale Discussion | SPC | Baker, Brooks, Calhoun, Clay, Colquitt, Cook and 15 more | 3 hr |
| Apr 14, 10:40 AM EDT | Tornado Watch | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more | 6 hr |
| Apr 14, 11:07 AM EDT | Mesoscale Discussion | SPC | Baker, Bibb, Butts, Calhoun, Carroll, Chattahoochee and 53 more | 83 min |
| Apr 14, 11:48 AM EDT | Mesoscale Discussion | SPC | Columbia, Elbert, Franklin, Hart, Lincoln, McDuffie and 5 more | 117 min |
| Apr 14, 12:54 PM EDT | Tornado Watch | SPC | Baldwin, Burke, Columbia, Dodge, Elbert, Emanuel and 26 more | 6 hr |
| Apr 14, 2:07 PM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Brantley, Charlton, Clinch and 9 more | 83 min |
| Apr 14, 3:00 PM EDT | Mesoscale Discussion | SPC | Catoosa, Fannin, Gilmer, Gordon, Murray, Walker and 1 more | 2 hr |
| Apr 14, 3:02 PM EDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 17 more | 4 hr |
| Apr 14, 4:04 PM EDT | Mesoscale Discussion | SPC | Barrow, Bartow, Carroll, Cherokee, Clayton, Cobb and 20 more | 116 min |
| Apr 14, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | Banks, Barrow, Bartow, Carroll, Cherokee, Clayton and 28 more | 6 hr |
| Apr 14, 7:12 PM EDT | Mesoscale Discussion | SPC | Banks, Barrow, Clarke, Elbert, Franklin, Habersham and 11 more | 2 hr |
| Apr 14, 2:16 PM EDT | Tornado Watch | SPC | Alamance, Alexander, Alleghany, Anson, Burke, Cabarrus and 46 more | 8 hr |
| Apr 14, 4:50 PM EDT | Mesoscale Discussion | SPC | Alexander, Caswell, Catawba, Davidson, Davie, Forsyth and 8 more | 85 min |
| Apr 14, 6:31 PM EDT | Tornado Watch | SPC | Bladen, Brunswick, Columbus, New Hanover, Pender, Robeson | 3 hr |
| Apr 14, 7:21 PM EDT | Severe Thunderstorm Watch | SPC | Ashe, Watauga | 5 hr |
Nearby
Mesoscale Discussions in South Carolina, 2019Mesoscale Discussions in North Carolina, 2019Mesoscale Discussions in Georgia, 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.