Alert archive / Georgia / Mesoscale Discussions in 2020
Mesoscale Discussion 277
The Storm Prediction Center issued this mesoscale discussion at Mar 31, 2020, 12:09 PM CDT for Geneva County, Henry County, Houston County, Alabama; 10 counties in Florida; 34 counties in Georgia. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2020, 12:09 PM CDT (17:09 UTC)
- Expired
- Mar 31, 2020, 1:45 PM CDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 47 counties
Geneva County, AL, Henry County, AL, Houston County, AL, Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Okaloosa County, FL, Walton County, FL, Washington County, FL, Atkinson County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Sumter County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Webster County, GA, Wilcox County, GA, Worth County, GA
The radar
The Ft Rucker radar (KEOX), 58 km from the middle of the area, began a volume at 17:12 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.2 hours before the alert went out and 120 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 734 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 203 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 |
|---|---|---|---|---|
| Mar 31, 7:53 AM CDT | Mesoscale Discussion | SPC | Autauga, Butler, Choctaw, Clarke, Conecuh, Crenshaw and 9 more | 2 hr |
| Mar 31, 8:51 AM CDT | Tornado Watch | SPC | Autauga, Baldwin, Barbour, Bullock, Butler, Chambers and 26 more | 6 hr |
| Mar 31, 10:42 AM CDT | Mesoscale Discussion | SPC | Baldwin, Coffee, Covington, Dale, Geneva, Henry and 1 more | 93 min |
| Mar 31, 1:22 PM CDT | Tornado Watch | SPC | Baker, Bradford, Clay, Columbia, Dixie, Duval and 14 more | 6 hr |
| Mar 31, 3:40 PM CDT | Mesoscale Discussion | SPC | Baker, Columbia, Hamilton, Lafayette, Madison, Suwannee and 1 more | 65 min |
| Mar 31, 5:38 PM CDT | Mesoscale Discussion | SPC | Alachua, Clay, Putnam, Saint Johns | 67 min |
| Mar 31, 11:20 AM CDT | Mesoscale Discussion | SPC | Burke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 4 more | 85 min |
Nearby
Mesoscale Discussions in Georgia, 2020Mesoscale Discussions in Florida, 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.