Alert archive / Georgia / Mesoscale Discussions in 2008
Mesoscale Discussion 264
The Storm Prediction Center issued this mesoscale discussion at Feb 17, 2008, 10:35 PM CST for 15 counties in Florida; 74 counties in Georgia; 13 counties in South Carolina. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Feb 17, 2008, 10:35 PM CST (04:35 UTC)
- Expired
- Feb 18, 2008, 12:00 AM CST
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 102 counties
Bay County, FL, Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Washington County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Bulloch County, GA, Burke County, GA, Calhoun County, GA, Candler County, GA, Clay County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Grady County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Long County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Peach County, GA, Pierce County, GA, Pulaski County, GA, Putnam County, GA, Randolph County, GA, Schley County, GA, Screven County, GA, Seminole County, GA, Sumter County, GA, Taliaferro County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Ware County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC, Lexington County, SC, Orangeburg County, SC, Williamsburg County, SC
The radar
The Tallahassee radar (KTLH), 90 km from the middle of the area, began a volume at 04:37 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 00:00Z, 4.6 hours before the alert went out and 88 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
- 593 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 478 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 274 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.1
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 17, 7:34 PM CST | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more | 56 min |
| Feb 18, 1:39 AM CST | Mesoscale Discussion | SPC | Columbia, Dixie, Franklin, Gadsden, Gilchrist, Hamilton and 8 more | 36 min |
| Feb 18, 1:57 AM CST | Tornado Watch | SPC | Baker, Columbia, Dixie, Franklin, Gadsden, Gilchrist and 11 more | 7 hr |
| Feb 18, 4:11 AM CST | Mesoscale Discussion | SPC | Baker, Columbia, Dixie, Franklin, Gadsden, Gilchrist and 12 more | 64 min |
| Feb 18, 6:43 AM CST | Mesoscale Discussion | SPC | Baker, Bradford, Columbia, Dixie, Gilchrist, Hamilton and 7 more | 62 min |
| Feb 18, 7:46 AM CST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Columbia, Gilchrist, Levy and 2 more | 29 min |
| Feb 18, 9:36 AM CST | Mesoscale Discussion | SPC | Flagler, Hernando, Lake, Marion, Orange, Pasco and 5 more | 84 min |
| Feb 18, 1:04 AM CST | Mesoscale Discussion | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 26 min |
| Feb 18, 1:30 AM CST | Tornado Watch | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 7 hr |
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; radar from the NEXRAD Level II archive.