Alert archive / Georgia / Mesoscale Discussions in 2019
Mesoscale Discussion 337
The Storm Prediction Center issued this mesoscale discussion at Apr 14, 2019, 7:28 AM CDT for Henry County, Houston County, Alabama; 10 counties in Florida; 21 counties in Georgia. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 14, 2019, 7:28 AM CDT (12:28 UTC)
- Expired
- Apr 14, 2019, 10:00 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 33 counties
Henry County, AL, Houston County, AL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Baker County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Lee County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA
The radar
The Tallahassee radar (KTLH), 56 km from the middle of the area, began a volume at 12:28 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, 0.5 hours before the alert went out and 56 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
- 403 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.7
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 7:11 PM CDT | Tornado Watch | SPC | Bibb, Blount, Colbert, Cullman, Fayette, Franklin and 19 more | 11 hr |
| Apr 13, 8:25 PM CDT | Mesoscale Discussion | SPC | Choctaw, Washington | 95 min |
| Apr 13, 9:13 PM CDT | Mesoscale Discussion | SPC | Bibb, Blount, Chilton, Choctaw, Colbert, Cullman and 19 more | 92 min |
| Apr 13, 9:33 PM CDT | Tornado Watch | SPC | Baldwin, Choctaw, Clarke, Mobile, Monroe, Washington and 1 more | 8 hr |
| Apr 13, 11:01 PM CDT | Mesoscale Discussion | SPC | Bibb, Choctaw, Clarke, Dallas, Fayette, Franklin and 15 more | 119 min |
| Apr 14, 12:39 AM CDT | Mesoscale Discussion | SPC | Calhoun, Cherokee, Clay, Cleburne, DeKalb, Etowah and 2 more | 66 min |
| Apr 14, 1:04 AM CDT | Tornado Watch | SPC | Autauga, Barbour, Bullock, Calhoun, Chambers, Cherokee and 19 more | 9 hr |
| Apr 14, 2:15 AM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Choctaw, Clarke, Coffee, Conecuh and 10 more | 60 min |
| Apr 14, 2:45 AM CDT | Tornado Watch | SPC | Butler, Coffee, Conecuh, Covington, Crenshaw, Dale and 4 more | 7 hr |
| Apr 14, 4:20 AM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 18 more | 115 min |
| Apr 14, 5:36 AM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 18 more | 54 min |
| Apr 14, 9:40 AM CDT | Tornado Watch | SPC | Henry, Houston | 6 hr |
| Apr 14, 10:07 AM CDT | Mesoscale Discussion | SPC | Barbour, Henry, Houston, Russell | 83 min |
| Apr 14, 1:07 PM CDT | Mesoscale Discussion | SPC | Baker, Columbia, Dixie, Hamilton, Jefferson, Lafayette and 3 more | 83 min |
| Apr 14, 6:28 AM CDT | Tornado Watch | SPC | Banks, Barrow, Bartow, Bibb, Bleckley, Butts and 69 more | 7 hr |
| Apr 14, 10:48 AM CDT | Mesoscale Discussion | SPC | Columbia, Elbert, Franklin, Hart, Lincoln, McDuffie and 5 more | 117 min |
| Apr 14, 11:54 AM CDT | Tornado Watch | SPC | Baldwin, Burke, Columbia, Dodge, Elbert, Emanuel and 26 more | 6 hr |
| Apr 14, 2:00 PM CDT | Mesoscale Discussion | SPC | Catoosa, Fannin, Gilmer, Gordon, Murray, Walker and 1 more | 2 hr |
| Apr 14, 2:02 PM CDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 17 more | 4 hr |
| Apr 14, 3:04 PM CDT | Mesoscale Discussion | SPC | Barrow, Bartow, Carroll, Cherokee, Clayton, Cobb and 20 more | 116 min |
| Apr 14, 3:28 PM CDT | Severe Thunderstorm Watch | SPC | Banks, Barrow, Bartow, Carroll, Cherokee, Clayton and 28 more | 6 hr |
| Apr 14, 4:43 PM CDT | Mesoscale Discussion | SPC | Effingham | 2 hr |
| Apr 14, 6:12 PM CDT | Mesoscale Discussion | SPC | Banks, Barrow, Clarke, Elbert, Franklin, Habersham and 11 more | 2 hr |
Nearby
Mesoscale Discussions in Georgia, 2019Mesoscale Discussions in Florida, 2019Mesoscale Discussions in Alabama, 2019Every mesoscale discussion in 2019
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.