Alert archive / Georgia / Mesoscale Discussions in 2020
Mesoscale Discussion 376
The Storm Prediction Center issued this mesoscale discussion at Apr 13, 2020, 2:39 AM EDT for 43 counties in Georgia; 27 counties in North Carolina; 24 counties in South Carolina. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2020, 2:39 AM EDT (06:39 UTC)
- Expired
- Apr 13, 2020, 4:15 AM EDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 94 counties
Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Bleckley County, GA, Burke County, GA, Calhoun County, GA, Candler County, GA, Colquitt County, GA, Columbia County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Emanuel County, GA, Glascock County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, McDuffie County, GA, Mitchell County, GA, Montgomery County, GA, Pulaski County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Telfair County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA, Alamance County, NC, Anson County, NC, Cabarrus County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Gaston County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Lee County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Rowan County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Aiken County, SC, Allendale County, SC, Barnwell County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Edgefield County, SC, Fairfield County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC, Union County, SC, York County, SC
The radar
The Columbia radar (KCAE), 42 km from the middle of the area, began a volume at 06:40 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 00:00Z, 6.7 hours before the alert went out and 188 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
- 944 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 371 m²/s²
- 0-3 km storm-relative helicity
- 494 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 12, 8:41 PM EDT | Mesoscale Discussion | SPC | Bartow, Catoosa, Cherokee, Dawson, Fannin, Floyd and 13 more | 64 min |
| Apr 12, 8:57 PM EDT | Tornado Watch | SPC | Rabun | 6 hr |
| Apr 12, 11:17 PM EDT | Mesoscale Discussion | SPC | Banks, Barrow, Bartow, Catoosa, Chattooga, Cherokee and 36 more | 88 min |
| Apr 12, 11:28 PM EDT | Mesoscale Discussion | SPC | Butts, Carroll, Chattahoochee, Clay, Clayton, Cobb and 30 more | 92 min |
| Apr 12, 11:45 PM EDT | Tornado Watch | SPC | Baker, Baldwin, Banks, Barrow, Bartow, Bibb and 86 more | 8 hr |
| Apr 13, 1:51 AM EDT | Tornado Watch | SPC | Elbert, Franklin, Habersham, Hart, Rabun, Stephens | 6 hr |
| Apr 13, 3:20 AM EDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Bleckley and 54 more | 8 hr |
| Apr 13, 6:17 AM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Brantley, Brooks, Bryan and 15 more | 88 min |
| Apr 13, 4:40 AM EDT | Mesoscale Discussion | SPC | Alamance, Beaufort, Bertie, Bladen, Brunswick, Camden and 51 more | 95 min |
| Apr 13, 5:01 AM EDT | Tornado Watch | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Brunswick and 53 more | 7 hr |
| Apr 13, 6:46 AM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Chowan, Columbus, Craven and 32 more | 89 min |
| Apr 13, 9:56 AM EDT | Mesoscale Discussion | SPC | Carteret, Dare, Hyde, Pamlico, Tyrrell, Washington | 64 min |
Nearby
Mesoscale Discussions in Georgia, 2020Mesoscale Discussions in North Carolina, 2020Mesoscale Discussions in South Carolina, 2020Every mesoscale discussion in 2020
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.