Alert archive / Georgia / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 22
The Storm Prediction Center issued this severe thunderstorm watch at Feb 21, 2014, 6:39 AM EST for 23 counties in Florida; 70 counties in Georgia; 36 counties in South Carolina. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2014, 6:39 AM EST (11:39 UTC)
- Expired
- Feb 21, 2014, 4:00 PM EST
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 65 kt
All 129 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Gadsden County, FL, Gilchrist County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Dodge County, GA, Dougherty County, GA, Echols County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Glynn County, GA, Grady County, GA, Hancock County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Lowndes County, GA, McDuffie County, GA, McIntosh County, GA, Mitchell County, GA, Montgomery County, GA, Pierce County, GA, Pulaski County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Hampton County, SC, Jasper County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC
The radar
The Robins AFB radar (KJGX), 104 km from the middle of the area, began a volume at 11:42 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 8:23 AM EST | Tornado Warning | FFC | Johnson, Laurens | 37 min |
| Feb 21, 8:35 AM EST | Severe Thunderstorm Warning | TAE | Berrien, Irwin, Tift | 40 min |
| Feb 21, 8:46 AM EST | Severe Thunderstorm Warning | JAX | Bacon, Coffee, Jeff Davis | 44 min |
| Feb 21, 8:48 AM EST | Tornado Warning | FFC | Emanuel, Jefferson, Johnson | 27 min |
| Feb 21, 8:51 AM EST | Severe Thunderstorm Warning | TAE | Brooks, Lanier, Lowndes | 39 min |
| Feb 21, 9:05 AM EST | Severe Thunderstorm Warning | TAE | Madison | 40 min |
| Feb 21, 9:05 AM EST | Severe Thunderstorm Warning | JAX | Atkinson, Coffee, Ware | 40 min |
| Feb 21, 9:15 AM EST | Severe Thunderstorm Warning | CAE | Burke | 45 min |
| Feb 21, 9:17 AM EST | Severe Thunderstorm Warning | CHS | Bulloch, Candler, Jenkins, Screven | 58 min |
| Feb 21, 9:22 AM EST | Severe Thunderstorm Warning | TAE | Brooks, Lanier, Lowndes | 38 min |
| Feb 21, 9:26 AM EST | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 49 min |
| Feb 21, 9:28 AM EST | Severe Thunderstorm Warning | JAX | Appling, Bacon, Coffee, Jeff Davis, Pierce, Ware and 1 more | 47 min |
| Feb 21, 9:33 AM EST | Severe Thunderstorm Warning | TAE | Berrien, Lanier, Lowndes | 27 min |
| Feb 21, 10:07 AM EST | Severe Thunderstorm Warning | JAX | Appling, Bacon, Brantley, Glynn, Pierce, Ware and 1 more | 38 min |
| Feb 21, 10:10 AM EST | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton, Suwannee | 50 min |
| Feb 21, 10:19 AM EST | Tornado Warning | JAX | Charlton, Clinch, Ware | 26 min |
| Feb 21, 10:56 AM EST | Severe Thunderstorm Warning | JAX | Brantley, Camden, Charlton | 49 min |
| Feb 21, 11:25 AM EST | Severe Thunderstorm Warning | CHS | Berkeley, Charleston, Colleton, Dorchester | 65 min |
| Feb 21, 11:28 AM EST | Severe Thunderstorm Warning | CAE | Orangeburg | 32 min |
| Feb 21, 11:35 AM EST | Severe Thunderstorm Warning | JAX | Alachua, Clay, Putnam | 40 min |
| Feb 21, 12:10 PM EST | Tornado Warning | JAX | Putnam | 35 min |
| Feb 21, 12:43 PM EST | Severe Thunderstorm Warning | JAX | Saint Johns | 47 min |
| Feb 21, 1:28 PM EST | Severe Thunderstorm Warning | JAX | Saint Johns | 17 min |
| Feb 21, 2:13 PM EST | Severe Thunderstorm Warning | JAX | Flagler, Saint Johns | 47 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.7 hours before the alert went out and 207 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
- 208 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 12:43 AM EST | Mesoscale Discussion | SPC | Escambia, Okaloosa, Santa Rosa | 62 min |
| Feb 21, 1:58 AM EST | Severe Thunderstorm Watch | SPC | Bay, Calhoun, Escambia, Franklin, Gulf, Holmes and 6 more | 7 hr |
| Feb 21, 4:33 AM EST | Mesoscale Discussion | SPC | Holmes, Jackson, Okaloosa, Santa Rosa, Walton | 87 min |
| Feb 21, 8:17 AM EST | Mesoscale Discussion | SPC | Baker, Columbia, Hamilton, Jefferson, Madison, Suwannee | 118 min |
| Feb 21, 10:13 AM EST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 17 more | 92 min |
| Feb 21, 12:43 PM EST | Mesoscale Discussion | SPC | Baker, Columbia, Hamilton, Jefferson, Lafayette, Leon and 5 more | 62 min |
| Feb 20, 10:29 PM EST | Mesoscale Discussion | SPC | Bartow, Catoosa, Chattooga, Dade, Dawson, Fannin and 10 more | 61 min |
| Feb 20, 10:47 PM EST | Tornado Watch | SPC | Bartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 16 more | 6 hr |
| Feb 21, 3:11 AM EST | Mesoscale Discussion | SPC | Anderson, Cherokee, Greenville, Pickens, Spartanburg | 94 min |
| Feb 21, 8:57 AM EST | Mesoscale Discussion | SPC | Dillon, Horry, Marion, Marlboro | 63 min |
| Feb 21, 10:02 AM EST | Tornado Watch | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 6 hr |
| Feb 21, 11:05 AM EST | Mesoscale Discussion | SPC | Dillon, Marion | 55 min |
Nearby
Severe Thunderstorm Watches in Georgia, 2014Severe Thunderstorm Watches in South Carolina, 2014Severe Thunderstorm Watches in Florida, 2014Every severe thunderstorm watch in 2014
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.