Alert archive / Georgia / Mesoscale Discussions in 2008
Mesoscale Discussion 261
The Storm Prediction Center issued this mesoscale discussion at Feb 17, 2008, 5:19 PM CST for 5 counties in Alabama; 17 counties in Florida; 106 counties in Georgia. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Feb 17, 2008, 5:19 PM CST (23:19 UTC)
- Expired
- Feb 17, 2008, 6:45 PM CST
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 128 counties
Chambers County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Hamilton County, FL, Holmes 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, Walton County, FL, Washington County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Barrow County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Butts County, GA, Calhoun County, GA, Candler County, GA, Carroll County, GA, Chattahoochee County, GA, Clarke County, GA, Clay County, GA, Clayton County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Echols County, GA, Emanuel County, GA, Fayette County, GA, Fulton County, GA, Glascock County, GA, Grady County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Irwin County, GA, Jackson County, GA, Jasper County, GA, Jeff Davis County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Madison County, GA, Marion County, GA, McDuffie County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Quitman County, GA, Randolph County, GA, Rockdale County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA
The radar
The Tallahassee radar (KTLH), 73 km from the middle of the area, began a volume at 23:21 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, 11.3 hours before the alert went out and 73 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
- 766 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 304 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 2:13 AM CST | Mesoscale Discussion | SPC | Mobile | 32 min |
| Feb 17, 4:19 AM CST | Mesoscale Discussion | SPC | Colbert, Franklin, Lamar, Marion, Pickens | 56 min |
| Feb 17, 5:05 AM CST | Mesoscale Discussion | SPC | Baldwin, Choctaw, Clarke, Conecuh, Dallas, Escambia and 8 more | 55 min |
| Feb 17, 5:26 AM CST | Tornado Watch | SPC | Autauga, Baldwin, Butler, Choctaw, Clarke, Conecuh and 14 more | 7 hr |
| Feb 17, 7:13 AM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Butler, Chilton, Choctaw, Clarke and 16 more | 62 min |
| Feb 17, 9:43 AM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Butler, Chilton, Choctaw, Clarke and 17 more | 62 min |
| Feb 17, 12:14 PM CST | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Chambers, Clay, Coffee and 16 more | 91 min |
| Feb 17, 12:32 PM CST | Tornado Watch | SPC | Autauga, Baldwin, Barbour, Bullock, Butler, Chambers and 28 more | 7 hr |
| Feb 17, 2:45 PM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bullock, Butler, Chambers and 22 more | 90 min |
| Feb 17, 5:58 PM CST | Tornado Watch | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 6 more | 8 hr |
| Feb 17, 3:01 PM CST | Tornado Watch | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Butts and 29 more | 5 hr |
Nearby
Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in Florida, 2008Mesoscale Discussions in Alabama, 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.