Alert archive / Georgia / Mesoscale Discussions in 2012
Mesoscale Discussion 1357
The Storm Prediction Center issued this mesoscale discussion at Jul 1, 2012, 9:45 PM EDT for 51 counties in Georgia; Anson County, Union County, North Carolina; 42 counties in South Carolina. It was in force for 60 min.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2012, 9:45 PM EDT (01:45 UTC)
- Expired
- Jul 1, 2012, 10:45 PM EDT
- In force
- 60 min
- Issued by
- the Storm Prediction Center
All 95 counties
Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Crisp County, GA, Dougherty County, GA, Echols County, GA, Effingham County, GA, Evans County, GA, Glynn County, GA, Irwin County, GA, Jeff Davis County, GA, Jenkins County, GA, Lanier County, GA, Lee County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Mitchell County, GA, Pierce County, GA, Richmond County, GA, Screven County, GA, Tattnall County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Wilcox County, GA, Worth County, GA, Anson County, NC, Union County, NC, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Georgetown County, SC, Greenwood County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, Williamsburg County, SC, York County, SC
The radar
The Robins AFB radar (KJGX), 95 km from the middle of the area, began a volume at 01:46 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.8 hours before the alert went out and 220 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
- 1719 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 2371 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Jul 1, 11:33 PM EDT | Mesoscale Discussion | SPC | Baker, Brooks, Charlton, Clay, Decatur, Early and 7 more | 117 min |
| Jul 2, 6:16 PM EDT | Mesoscale Discussion | SPC | Catoosa, Dade, Walker, Whitfield | 2 hr |
| Jul 1, 9:06 PM EDT | Severe Thunderstorm Watch | SPC | Alleghany, Ashe, Caswell, Rockingham, Stokes, Surry and 3 more | 5 hr |
| Jul 2, 12:39 AM EDT | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Buncombe, Burke and 23 more | 96 min |
| Jul 2, 12:57 AM EDT | Severe Thunderstorm Watch | SPC | Alamance, Alexander, Burke, Cabarrus, Caldwell, Catawba and 23 more | 3 hr |
Nearby
Mesoscale Discussions in Georgia, 2012Mesoscale Discussions in South Carolina, 2012Mesoscale Discussions in North Carolina, 2012Every mesoscale discussion in 2012
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.