Alert archive / Georgia / Mesoscale Discussions in 2020
Mesoscale Discussion 1003
The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2020, 6:22 PM CDT for 5 counties in Alabama; 45 counties in Georgia. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2020, 6:22 PM CDT (23:22 UTC)
- Expired
- Jun 25, 2020, 7:45 PM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 5%
All 50 counties
Barbour County, AL, Bullock County, AL, Lee County, AL, Macon County, AL, Russell County, AL, Appling County, GA, Bacon County, GA, Ben Hill County, GA, Bleckley County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Coffee County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Evans County, GA, Harris County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Laurens County, GA, Lee County, GA, Long County, GA, Macon County, GA, Marion County, GA, Montgomery County, GA, Muscogee County, GA, Peach County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Worth County, GA
The radar
The Robins AFB radar (KJGX), 94 km from the middle of the area, began a volume at 23:23 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, 11.4 hours before the alert went out and 154 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
- 3 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Jun 25, 1:09 PM CDT | Mesoscale Discussion | SPC | Clarke, Coffee, Conecuh, Covington, Crenshaw, Dale and 5 more | 2 hr |
| Jun 25, 6:45 PM CDT | Mesoscale Discussion | SPC | Bibb, Chilton, Choctaw, Greene, Hale, Marengo and 4 more | 90 min |
Nearby
Mesoscale Discussions in Georgia, 2020Mesoscale Discussions in Alabama, 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.