Alert archive / Georgia / Mesoscale Discussions in 2021
Mesoscale Discussion 1662
The Storm Prediction Center issued this mesoscale discussion at Aug 31, 2021, 3:49 PM CDT for 4 counties in Alabama; 24 counties in Georgia. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Aug 31, 2021, 3:49 PM CDT (20:49 UTC)
- Expired
- Aug 31, 2021, 5:45 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 20%
All 28 counties
Geneva County, AL, Henry County, AL, Houston County, AL, Russell County, AL, Baker County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Crawford County, GA, Dougherty County, GA, Early County, GA, Harris County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Muscogee County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Upson County, GA, Webster County, GA
The radar
The Ft Rucker radar (KEOX), 73 km from the middle of the area, began a volume at 20:52 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.8 hours before the alert went out and 170 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
- 822 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Aug 31, 4:31 AM CDT | Mesoscale Discussion | SPC | Bullock, Chambers, Cleburne, Crenshaw, Lee, Macon and 4 more | 89 min |
| Aug 31, 7:44 AM CDT | Mesoscale Discussion | SPC | Henry | 2 hr |
| Aug 31, 6:44 PM CDT | Mesoscale Discussion | SPC | Dale, Geneva, Henry, Houston | 91 min |
| Aug 31, 1:03 PM CDT | Mesoscale Discussion | SPC | Banks, Barrow, Butts, Carroll, Cherokee, Clarke and 47 more | 117 min |
Nearby
Mesoscale Discussions in Georgia, 2021Mesoscale Discussions in Alabama, 2021Every mesoscale discussion in 2021
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.