Alert archive / Alabama / Tornado Watches in 2019
Tornado Watch 29
The Storm Prediction Center issued this tornado watch at Mar 14, 2019, 6:41 PM CDT for 19 counties in Alabama; 8 counties in Georgia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 14, 2019, 6:41 PM CDT (23:41 UTC)
- Expired
- Mar 15, 2019, 12:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 27 counties
Autauga County, AL, Bibb County, AL, Calhoun County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Lowndes County, AL, Marengo County, AL, Perry County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Bartow County, GA, Carroll County, GA, Douglas County, GA, Floyd County, GA, Haralson County, GA, Heard County, GA, Paulding County, GA, Polk County, GA
The radar
The Maxwell AFB radar (KMXX), 99 km from the middle of the area, began a volume at 23:39 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
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 6:50 PM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 29 min |
| Mar 14, 6:50 PM CDT | Tornado Warning | BMX | Bibb, Chilton | 40 min |
| Mar 14, 7:02 PM CDT | Tornado Warning | FFC | Floyd, Polk | 25 min |
| Mar 14, 7:08 PM CDT | Severe Thunderstorm Warning | FFC | Haralson, Polk | 33 min |
| Mar 14, 7:15 PM CDT | Tornado Warning | BMX | Dallas, Marengo, Perry | 60 min |
| Mar 14, 7:22 PM CDT | Tornado Warning | BMX | Chilton | 34 min |
| Mar 14, 7:31 PM CDT | Severe Thunderstorm Warning | FFC | Haralson, Paulding, Polk | 33 min |
| Mar 14, 7:37 PM CDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Gordon | 38 min |
| Mar 14, 7:42 PM CDT | Tornado Warning | BMX | Coosa | 48 min |
| Mar 14, 7:51 PM CDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Paulding, Polk | 39 min |
| Mar 14, 8:21 PM CDT | Tornado Warning | BMX | Clay, Coosa, Tallapoosa | 39 min |
| Mar 14, 8:39 PM CDT | Tornado Warning | BMX | Autauga | 51 min |
| Mar 14, 8:52 PM CDT | Tornado Warning | BMX | Clay | 15 min |
| Mar 14, 9:17 PM CDT | Severe Thunderstorm Warning | BMX | Elmore | 55 min |
| Mar 14, 9:35 PM CDT | Tornado Warning | BMX | Elmore | 25 min |
| Mar 14, 9:40 PM CDT | Tornado Warning | BMX | Randolph | 50 min |
| Mar 14, 10:04 PM CDT | Severe Thunderstorm Warning | FFC | Carroll, Heard | 41 min |
| Mar 14, 11:41 PM CDT | Severe Thunderstorm Warning | FFC | Coweta, Heard, Meriwether, Troup | 34 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
Birmingham, AL (KBMX), launched 12:00Z, 11.7 hours before the alert went out and 99 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
- 822 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 522 m²/s²
- 0-3 km storm-relative helicity
- 618 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
434 WWUS20 KWNS 142338 SEL9 SPC WW 142338 ALZ000-GAZ000-150500- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 29 NWS Storm Prediction Center Norman OK 640 PM CDT Thu Mar 14 2019 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Central and Eastern Alabama Northwest Georgia * Effective this Thursday night from 640 PM until Midnight CDT. * Primary threats include... A couple tornadoes possible Isolated damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Environment will remain conducive for supercells and the possibility of a couple of tornadoes, along with isolated large hail and damaging winds, through at least mid-evening if not late-evening, particularly across central/eastern Alabama into northwest Georgia. The tornado watch area is approximately along and 50 statute miles east and west of a line from 65 miles east northeast of Gadsden AL to 25 miles southwest of Selma AL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. && OTHER WATCH INFORMATION...CONTINUE...WW 25...WW 27...WW 28... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 25030. ...Guyer
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 10:32 AM CDT | Mesoscale Discussion | SPC | Colbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 1 more | 58 min |
| Mar 14, 11:47 AM CDT | Mesoscale Discussion | SPC | Colbert, Cullman, Fayette, Franklin, Greene, Jefferson and 12 more | 88 min |
| Mar 14, 12:11 PM CDT | Tornado Watch | SPC | Bibb, Blount, Calhoun, Cherokee, Cleburne, Colbert and 25 more | 7 hr |
| Mar 14, 1:01 PM CDT | Mesoscale Discussion | SPC | Fayette, Lamar, Marion | 59 min |
| Mar 14, 2:58 PM CDT | Mesoscale Discussion | SPC | Colbert, Cullman, Fayette, Franklin, Greene, Lamar and 10 more | 92 min |
| Mar 14, 5:39 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 22 more | 96 min |
Nearby
Tornado Watches in Alabama, 2019Tornado Watches in Georgia, 2019Every tornado watch 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.