Alert archive / Georgia / Tornado Watches in 2020
Tornado Watch 115
The Storm Prediction Center issued this tornado watch at Apr 12, 2020, 10:45 PM CDT for 32 counties in Alabama; 10 counties in Florida; 92 counties in Georgia. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2020, 10:45 PM CDT (03:45 UTC)
- Expired
- Apr 13, 2020, 6:53 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 134 counties
Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Elmore County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Talladega County, AL, Tallapoosa County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Baldwin County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Bibb County, GA, Butts County, GA, Calhoun County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clay County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Dawson County, GA, Decatur County, GA, DeKalb County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Lee County, GA, Lumpkin County, GA, Macon County, GA, Madison County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Morgan County, GA, Murray County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pickens County, GA, Pike County, GA, Polk 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, Terrell County, GA, Towns County, GA, Troup County, GA, Twiggs County, GA, Union County, GA, Upson County, GA, Walker County, GA, Walton County, GA, Webster County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA, Wilkinson County, GA
The radar
The Atlanta radar (KFFC), 40 km from the middle of the area, began a volume at 03:44 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
- 80%
- One or more EF2 to EF5 tornadoes
- 70%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
72 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 10:47 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee, Cleburne, Etowah | 58 min |
| Apr 12, 10:53 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Elmore | 43 min |
| Apr 12, 10:59 PM CDT | Severe Thunderstorm Warning | BMX | Chilton, Clay, Coosa, Shelby, Talladega, Tallapoosa | 43 min |
| Apr 12, 11:04 PM CDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Gordon, Haralson, Paulding and 1 more | 56 min |
| Apr 12, 11:07 PM CDT | Severe Thunderstorm Warning | FFC | Catoosa, Chattooga, Fannin, Floyd, Gilmer, Gordon and 3 more | 68 min |
| Apr 12, 11:15 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon, Montgomery, Tallapoosa | 60 min |
| Apr 12, 11:30 PM CDT | Severe Thunderstorm Warning | BMX | Lee, Russell | 75 min |
| Apr 12, 11:54 PM CDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Floyd, Gordon, Haralson and 2 more | 81 min |
| Apr 12, 11:58 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 47 min |
| Apr 13, 12:02 AM CDT | Tornado Warning | FFC | Bartow, Cherokee | 28 min |
| Apr 13, 12:04 AM CDT | Severe Thunderstorm Warning | TAE | Coffee, Dale, Geneva | 86 min |
| Apr 13, 12:07 AM CDT | Tornado Warning | FFC | Dawson, Gilmer, Gordon, Pickens | 23 min |
| Apr 13, 12:11 AM CDT | Severe Thunderstorm Warning | BMX | Pike | 64 min |
| Apr 13, 12:18 AM CDT | Severe Thunderstorm Warning | BMX | Chambers | 16 min |
| Apr 13, 12:18 AM CDT | Severe Thunderstorm Warning | FFC | Chattahoochee, Harris, Marion, Muscogee, Talbot | 57 min |
| Apr 13, 12:23 AM CDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer, Lumpkin, Towns, Union, White | 52 min |
| Apr 13, 12:24 AM CDT | Severe Thunderstorm Warning | FFC | Harris, Meriwether, Troup | 40 min |
| Apr 13, 12:42 AM CDT | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Douglas, Fulton, Haralson, Heard and 1 more | 48 min |
| Apr 13, 12:43 AM CDT | Severe Thunderstorm Warning | BMX | Barbour, Bullock | 53 min |
| Apr 13, 12:44 AM CDT | Tornado Warning | FFC | Cherokee | 14 min |
| Apr 13, 12:49 AM CDT | Severe Thunderstorm Warning | TAE | Quitman | 86 min |
| Apr 13, 12:57 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 48 min |
| Apr 13, 12:58 AM CDT | Severe Thunderstorm Warning | TAE | Dale, Henry | 92 min |
| Apr 13, 1:01 AM CDT | Severe Thunderstorm Warning | FFC | Banks, Cherokee, Dawson, Forsyth, Hall, Lumpkin and 2 more | 44 min |
| Apr 13, 1:01 AM CDT | Tornado Warning | FFC | Talbot, Upson | 29 min |
| Apr 13, 1:13 AM CDT | Severe Thunderstorm Warning | TAE | Randolph, Terrell | 92 min |
| Apr 13, 1:18 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 42 min |
| Apr 13, 1:18 AM CDT | Severe Thunderstorm Warning | FFC | Chattahoochee, Crawford, Macon, Marion, Muscogee, Peach and 6 more | 42 min |
| Apr 13, 1:20 AM CDT | Tornado Warning | FFC | Lamar, Monroe, Upson | 25 min |
| Apr 13, 1:21 AM CDT | Severe Thunderstorm Warning | TAE | Coffee, Dale, Geneva | 69 min |
| Apr 13, 1:22 AM CDT | Severe Thunderstorm Warning | FFC | Banks, Barrow, Cherokee, Cobb, DeKalb, Forsyth and 4 more | 38 min |
| Apr 13, 1:24 AM CDT | Severe Thunderstorm Warning | TAE | Holmes, Walton | 66 min |
| Apr 13, 1:24 AM CDT | Severe Thunderstorm Warning | FFC | Clayton, Coweta, Fayette, Fulton | 36 min |
| Apr 13, 1:33 AM CDT | Tornado Warning | FFC | Clayton, Fulton | 12 min |
| Apr 13, 1:40 AM CDT | Severe Thunderstorm Warning | FFC | Bibb, Butts, Crawford, Jasper, Jones, Lamar and 1 more | 50 min |
| Apr 13, 1:42 AM CDT | Severe Thunderstorm Warning | FFC | Banks, Hall, Lumpkin, White | 33 min |
| Apr 13, 1:45 AM CDT | Tornado Warning | FFC | Butts, Jasper, Jones, Monroe | 30 min |
| Apr 13, 1:46 AM CDT | Tornado Warning | FFC | DeKalb, Fulton | 14 min |
| Apr 13, 1:53 AM CDT | Severe Thunderstorm Warning | FFC | Clayton, DeKalb, Gwinnett, Henry, Newton, Rockdale and 1 more | 37 min |
| Apr 13, 1:53 AM CDT | Severe Thunderstorm Warning | TAE | Lee | 97 min |
| Apr 13, 1:54 AM CDT | Severe Thunderstorm Warning | FFC | Baldwin, Bibb, Crawford, Houston, Jasper, Jones and 5 more | 51 min |
| Apr 13, 1:55 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 30 min |
| Apr 13, 1:58 AM CDT | Severe Thunderstorm Warning | FFC | Greene, Jasper, Morgan, Newton, Oconee, Walton | 47 min |
| Apr 13, 2:00 AM CDT | Severe Thunderstorm Warning | FFC | Banks, Barrow, Hall, Jackson, Madison | 45 min |
| Apr 13, 2:01 AM CDT | Severe Thunderstorm Warning | FFC | Bleckley, Crawford, Crisp, Dooly, Houston, Macon and 6 more | 44 min |
| Apr 13, 2:05 AM CDT | Tornado Warning | FFC | Baldwin, Jasper, Jones, Putnam | 25 min |
| Apr 13, 2:09 AM CDT | Severe Thunderstorm Warning | TAE | Geneva, Houston | 96 min |
| Apr 13, 2:14 AM CDT | Tornado Warning | TAE | Holmes, Walton | 31 min |
| Apr 13, 2:22 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Holmes, Jackson, Walton, Washington | 53 min |
| Apr 13, 2:24 AM CDT | Tornado Warning | FFC | Greene, Hancock, Putnam | 36 min |
| Apr 13, 2:25 AM CDT | Severe Thunderstorm Warning | TAE | Dale, Henry | 69 min |
| Apr 13, 2:29 AM CDT | Tornado Warning | TAE | Clay, Randolph | 46 min |
| Apr 13, 2:35 AM CDT | Severe Thunderstorm Warning | FFC | Baldwin, Hancock, Johnson, Laurens, Twiggs, Washington and 1 more | 40 min |
| Apr 13, 2:37 AM CDT | Severe Thunderstorm Warning | FFC | Bleckley, Crisp, Dodge, Dooly, Laurens, Pulaski and 2 more | 53 min |
| Apr 13, 2:42 AM CDT | Severe Thunderstorm Warning | TAE | Randolph, Terrell | 48 min |
| Apr 13, 2:50 AM CDT | Severe Thunderstorm Warning | FFC | Glascock, Greene, Hancock, Taliaferro, Warren, Wilkes | 40 min |
| Apr 13, 3:03 AM CDT | Tornado Warning | FFC | Johnson, Washington, Wilkinson | 27 min |
| Apr 13, 3:05 AM CDT | Tornado Warning | FFC | Glascock, Hancock, Warren, Washington | 25 min |
| Apr 13, 3:05 AM CDT | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Dougherty, Early, Miller, Mitchell | 85 min |
| Apr 13, 3:09 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Holmes, Jackson, Walton, Washington | 66 min |
| Apr 13, 3:09 AM CDT | Tornado Warning | FFC | Glascock, Hancock, Warren, Washington | 23 min |
| Apr 13, 3:17 AM CDT | Severe Thunderstorm Warning | FFC | Crisp, Dodge, Laurens, Montgomery, Pulaski, Telfair and 3 more | 73 min |
| Apr 13, 3:21 AM CDT | Severe Thunderstorm Warning | TAE | Lee, Turner, Worth | 84 min |
| Apr 13, 3:24 AM CDT | Tornado Warning | TAE | Lee, Worth | 36 min |
| Apr 13, 3:46 AM CDT | Tornado Warning | FFC | Crisp, Wilcox | 29 min |
| Apr 13, 3:49 AM CDT | Flash Flood Warning | FFC | Crisp, Dooly, Stewart, Sumter, Webster | 5 hr |
| Apr 13, 4:04 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Gadsden, Gulf, Jackson, Liberty and 1 more | 56 min |
| Apr 13, 4:08 AM CDT | Tornado Warning | TAE | Mitchell, Worth | 33 min |
| Apr 13, 4:16 AM CDT | Severe Thunderstorm Warning | TAE | Colquitt, Mitchell | 74 min |
| Apr 13, 4:52 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 3 more | 53 min |
| Apr 13, 5:35 AM CDT | Severe Thunderstorm Warning | TAE | Franklin, Gadsden, Gulf, Jefferson, Leon, Liberty and 1 more | 55 min |
| Apr 13, 6:25 AM CDT | Severe Thunderstorm Warning | TAE | Franklin, Gulf, Jefferson, Leon, Liberty, Madison and 2 more | 65 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.8 hours before the alert went out and 42 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
- 404 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 733 m²/s²
- 0-3 km storm-relative helicity
- 874 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 10.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:36 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chilton, Choctaw and 16 more | 84 min |
| Apr 12, 8:50 PM CDT | Mesoscale Discussion | SPC | Blount, Cullman, Etowah, Jefferson, St. Clair, Shelby and 2 more | 55 min |
| Apr 12, 10:28 PM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bullock, Butler, Calhoun and 32 more | 92 min |
| Apr 12, 11:19 PM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Lamar, Lauderdale, Lawrence, Marion | 86 min |
| Apr 13, 2:20 AM CDT | Tornado Watch | SPC | Baker, Columbia, Duval, Franklin, Gadsden, Hamilton and 9 more | 8 hr |
| Apr 13, 5:17 AM CDT | Mesoscale Discussion | SPC | Hamilton, Jefferson, Leon, Madison | 88 min |
| Apr 13, 3:06 PM CDT | Mesoscale Discussion | SPC | Alachua, Bradford, Clay, Levy, Marion, Putnam and 1 more | 84 min |
| Apr 12, 7:41 PM CDT | Mesoscale Discussion | SPC | Bartow, Catoosa, Cherokee, Dawson, Fannin, Floyd and 13 more | 64 min |
| Apr 12, 7:57 PM CDT | Tornado Watch | SPC | Rabun | 6 hr |
| Apr 12, 10:17 PM CDT | Mesoscale Discussion | SPC | Banks, Barrow, Bartow, Catoosa, Chattooga, Cherokee and 36 more | 88 min |
| Apr 13, 12:51 AM CDT | Tornado Watch | SPC | Elbert, Franklin, Habersham, Hart, Rabun, Stephens | 6 hr |
| Apr 13, 1:39 AM CDT | Mesoscale Discussion | SPC | Baker, Baldwin, Ben Hill, Bleckley, Burke, Calhoun and 37 more | 96 min |
| Apr 13, 3:40 AM CDT | Mesoscale Discussion | SPC | Dillon, Horry, Marion, Marlboro | 95 min |
| Apr 13, 4:01 AM CDT | Tornado Watch | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 7 hr |
Nearby
Tornado Watches in Georgia, 2020Tornado Watches in Alabama, 2020Tornado Watches in Florida, 2020Every tornado watch in 2020
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.