Alert archive / Tennessee / Tornado Watches in 2019
Tornado Watch 16
The Storm Prediction Center issued this tornado watch at Mar 9, 2019, 2:16 PM CST for 19 counties in Alabama; 5 counties in Mississippi; 24 counties in Tennessee. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2019, 2:16 PM CST (20:16 UTC)
- Expired
- Mar 9, 2019, 8:56 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 48 counties
Blount County, AL, Colbert County, AL, Cullman County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Morgan County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Itawamba County, MS, Lee County, MS, Monroe County, MS, Prentiss County, MS, Tishomingo County, MS, Bedford County, TN, Cheatham County, TN, Davidson County, TN, Dickson County, TN, Giles County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Moore County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN
The radar
The Northeast Alabama radar (KHTX), 128 km from the middle of the area, began a volume at 20:17 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
- 50%
- Ten or more severe wind reports
- 60%
- 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
- 90%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 2:29 PM CST | Severe Thunderstorm Warning | HUN | Limestone, Madison, Morgan | 31 min |
| Mar 9, 2:59 PM CST | Severe Thunderstorm Warning | HUN | Madison, Marshall, Morgan | 31 min |
| Mar 9, 3:20 PM CST | Tornado Warning | HUN | Jackson, Madison, Marshall, Morgan | 29 min |
| Mar 9, 3:38 PM CST | Severe Thunderstorm Warning | HUN | Cullman, Morgan | 17 min |
| Mar 9, 4:43 PM CST | Severe Thunderstorm Warning | MEG | Calhoun, Chickasaw, Monroe | 47 min |
| Mar 9, 5:11 PM CST | Tornado Warning | MEG | Chickasaw, Itawamba, Lee, Monroe | 49 min |
| Mar 9, 5:16 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 44 min |
| Mar 9, 6:02 PM CST | Severe Thunderstorm Warning | HUN | Lauderdale, Limestone | 26 min |
| Mar 9, 6:13 PM CST | Tornado Warning | HUN | Lauderdale, Limestone | 14 min |
| Mar 9, 6:53 PM CST | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Rutherford, Williamson, Wilson | 37 min |
| Mar 9, 6:58 PM CST | Tornado Warning | OHX | Cannon, Rutherford, Wilson | 32 min |
| Mar 9, 7:04 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lawrence | 26 min |
| Mar 9, 7:04 PM CST | Severe Thunderstorm Warning | OHX | Macon, Smith, Sumner, Trousdale, Wilson | 26 min |
| Mar 9, 7:10 PM CST | Severe Thunderstorm Warning | HUN | Lincoln, Moore | 35 min |
| Mar 9, 7:23 PM CST | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Jackson, Putnam, Smith, White and 1 more | 23 min |
| Mar 9, 7:26 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Lawrence | 18 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, 8.3 hours before the alert went out and 226 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
- 182 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 1:27 PM CST | Mesoscale Discussion | SPC | Colbert, Franklin, Lamar, Lauderdale, Lawrence, Limestone and 2 more | 2 hr |
| Mar 9, 4:50 PM CST | Mesoscale Discussion | SPC | Fayette, Franklin, Lamar, Lawrence, Marion, Pickens and 3 more | 85 min |
| Mar 9, 9:45 AM CST | Mesoscale Discussion | SPC | Benton, DeSoto, Marshall, Tate, Tippah, Tunica | 3 hr |
| Mar 9, 10:32 AM CST | Tornado Watch | SPC | Alcorn, Benton, Bolivar, Calhoun, Carroll, Chickasaw and 21 more | 8 hr |
| Mar 9, 1:58 PM CST | Tornado Watch | SPC | Attala, Bolivar, Carroll, Choctaw, Clay, Grenada and 24 more | 5 hr |
Nearby
Tornado Watches in Tennessee, 2019Tornado Watches in Alabama, 2019Tornado Watches in Mississippi, 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.