Alert archive / Georgia / Mesoscale Discussions in 2020
Mesoscale Discussion 3
The Storm Prediction Center issued this mesoscale discussion at Jan 3, 2020, 2:02 PM EST for 52 counties in Georgia; 7 counties in South Carolina. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Jan 3, 2020, 2:02 PM EST (19:02 UTC)
- Expired
- Jan 3, 2020, 4:00 PM EST
- In force
- 118 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 59 counties
Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Columbia County, GA, Crawford 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, Jones County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, Macon County, GA, Marion County, GA, McDuffie County, GA, Mitchell County, GA, Montgomery County, GA, Peach County, GA, Pulaski County, GA, Randolph County, GA, Richmond County, GA, Schley County, GA, Sumter County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Tift County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA, Aiken County, SC, Barnwell County, SC, Edgefield County, SC, Kershaw County, SC, Lexington County, SC, Richland County, SC, Saluda County, SC
The radar
The Robins AFB radar (KJGX), 15 km from the middle of the area, began a volume at 19:07 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, 7.0 hours before the alert went out and 147 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
- 234 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 134 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 |
|---|---|---|---|---|
| Jan 3, 5:40 AM EST | Mesoscale Discussion | SPC | Carroll, Chattahoochee, Clay, Clayton, Coweta, Crawford and 26 more | 3 hr |
Nearby
Mesoscale Discussions in Georgia, 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.