Alert archive / Georgia / Mesoscale Discussions in 2023
Mesoscale Discussion 87
The Storm Prediction Center issued this mesoscale discussion at Jan 22, 2023, 2:57 PM EST for 7 counties in Florida; 33 counties in Georgia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 22, 2023, 2:57 PM EST (19:57 UTC)
- Expired
- Jan 22, 2023, 5:00 PM EST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 20%
All 40 counties
Baker County, FL, Gadsden County, FL, Hamilton County, FL, Jefferson County, FL, Leon County, FL, Madison County, FL, Nassau County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Echols County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Mitchell County, GA, Pierce County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Worth County, GA
The radar
The Moody AFB radar (KVAX), 36 km from the middle of the area, began a volume at 19:59 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, 8.0 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
- 558 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 431 m²/s²
- 0-3 km storm-relative helicity
- 488 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 22, 2:25 AM EST | Mesoscale Discussion | SPC | Bay, Escambia, Gulf, Okaloosa, Santa Rosa, Walton | 2 hr |
| Jan 22, 8:41 AM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gulf, Liberty | 94 min |
| Jan 22, 6:10 PM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Charlton and 13 more | 2 hr |
Nearby
Mesoscale Discussions in Georgia, 2023Mesoscale Discussions in Florida, 2023Every mesoscale discussion in 2023
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.