Alert archive / Georgia / Mesoscale Discussions in 2008
Mesoscale Discussion 293
The Storm Prediction Center issued this mesoscale discussion at Feb 22, 2008, 12:02 PM EST for 15 counties in Florida; 45 counties in Georgia; Jasper County, South Carolina. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2008, 12:02 PM EST (17:02 UTC)
- Expired
- Feb 22, 2008, 1:00 PM EST
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 61 counties
Baker County, FL, Calhoun County, FL, Columbia County, FL, Gadsden County, FL, Gulf County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Nassau County, FL, Suwannee County, FL, Taylor County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Camden County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Echols County, GA, Effingham County, GA, Evans County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Pierce County, GA, Seminole County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Worth County, GA, Jasper County, SC
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, 5.0 hours before the alert went out and 86 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
- 699 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 458 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 12:26 PM EST | Severe Thunderstorm Watch | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 6 more | 6 hr |
| Feb 22, 3:02 PM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Gadsden, Gulf, Jackson, Jefferson and 5 more | 58 min |
Nearby
Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in Florida, 2008Mesoscale Discussions in South Carolina, 2008Every mesoscale discussion in 2008
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.