Alert archive / Georgia / Mesoscale Discussions in 2013
Mesoscale Discussion 1291
The Storm Prediction Center issued this mesoscale discussion at Jun 28, 2013, 3:05 PM EDT for 58 counties in Georgia; 6 counties in South Carolina. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 28, 2013, 3:05 PM EDT (19:05 UTC)
- Expired
- Jun 28, 2013, 5:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 64 counties
Baldwin County, GA, Banks County, GA, Barrow County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Butts County, GA, Clarke County, GA, Columbia County, GA, Crawford County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Elbert County, GA, Emanuel County, GA, Forsyth County, GA, Franklin County, GA, Glascock County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Hart County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lincoln County, GA, Macon County, GA, Madison County, GA, McDuffie County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Spalding County, GA, Stephens County, GA, Taliaferro County, GA, Treutlen County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Wilkinson County, GA, Abbeville County, SC, Anderson County, SC, Edgefield County, SC, Greenwood County, SC, McCormick County, SC, Saluda County, SC
The radar
The Robins AFB radar (KJGX), 59 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 nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.1 hours before the alert went out and 116 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
- 1566 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 63 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 |
|---|---|---|---|---|
| Jun 28, 12:26 PM EDT | Severe Thunderstorm Watch | SPC | Baker, Baldwin, Ben Hill, Berrien, Bibb, Bleckley and 68 more | 9 hr |
| Jun 28, 2:11 PM EDT | Mesoscale Discussion | SPC | Baker, Calhoun, Chattahoochee, Clay, Decatur, Early and 14 more | 94 min |
| Jun 28, 2:36 PM EDT | Mesoscale Discussion | SPC | Appling, Bacon, Brantley, Bryan, Bulloch, Candler and 11 more | 84 min |
| Jun 28, 4:23 PM EDT | Mesoscale Discussion | SPC | Baker, Ben Hill, Berrien, Bibb, Bleckley, Brooks and 46 more | 97 min |
| Jun 28, 1:46 PM EDT | Mesoscale Discussion | SPC | Lancaster | 89 min |
| Jun 28, 4:42 PM EDT | Mesoscale Discussion | SPC | Cherokee, Lancaster, Spartanburg, York | 93 min |
Nearby
Mesoscale Discussions in Georgia, 2013Mesoscale Discussions in South Carolina, 2013Every mesoscale discussion in 2013
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.