Alert archive / Tennessee / Tornado Watches in 2020
Tornado Watch 61
The Storm Prediction Center issued this tornado watch at Mar 24, 2020, 3:06 PM CDT for 14 counties in Alabama; 15 counties in Mississippi; 31 counties in Tennessee. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2020, 3:06 PM CDT (20:06 UTC)
- Expired
- Mar 24, 2020, 9:54 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 60 counties
Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Winston County, AL, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Pontotoc County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Yalobusha County, MS, Bedford County, TN, Bledsoe County, TN, Cannon County, TN, Chester County, TN, Coffee County, TN, Cumberland County, TN, Decatur County, TN, DeKalb County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, Hickman County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Moore County, TN, Perry County, TN, Rutherford County, TN, Sequatchie County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN
The radar
The Northeast Alabama radar (KHTX), 79 km from the middle of the area, began a volume at 20:09 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
- 70%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
32 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 4:57 PM CDT | Severe Thunderstorm Warning | OHX | Lawrence, Lewis, Wayne | 33 min |
| Mar 24, 5:15 PM CDT | Severe Thunderstorm Warning | MEG | Prentiss, Tishomingo | 29 min |
| Mar 24, 5:22 PM CDT | Tornado Warning | MEG | Prentiss, Tishomingo | 23 min |
| Mar 24, 5:25 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 35 min |
| Mar 24, 5:27 PM CDT | Tornado Warning | OHX | Giles, Lawrence | 33 min |
| Mar 24, 5:34 PM CDT | Tornado Warning | HUN | Colbert | 26 min |
| Mar 24, 5:43 PM CDT | Tornado Warning | HUN | Colbert | 32 min |
| Mar 24, 5:51 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba, Lee, Prentiss, Tishomingo | 39 min |
| Mar 24, 5:52 PM CDT | Flash Flood Warning | OHX | Giles, Lawrence, Marshall, Maury | 83 min |
| Mar 24, 5:56 PM CDT | Severe Thunderstorm Warning | MEG | Prentiss, Tishomingo | 34 min |
| Mar 24, 6:00 PM CDT | Severe Thunderstorm Warning | OHX | Giles, Marshall | 30 min |
| Mar 24, 6:03 PM CDT | Tornado Warning | HUN | Colbert, Lawrence | 42 min |
| Mar 24, 6:07 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin | 38 min |
| Mar 24, 6:22 PM CDT | Tornado Warning | HUN | Franklin | 9 min |
| Mar 24, 6:24 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 51 min |
| Mar 24, 6:28 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba | 17 min |
| Mar 24, 6:29 PM CDT | Tornado Warning | HUN | Franklin | 31 min |
| Mar 24, 6:34 PM CDT | Tornado Warning | HUN | Lawrence, Limestone, Morgan | 26 min |
| Mar 24, 6:38 PM CDT | Severe Thunderstorm Warning | BMX | Marion | 52 min |
| Mar 24, 6:45 PM CDT | Tornado Warning | HUN | Franklin, Moore | 45 min |
| Mar 24, 6:55 PM CDT | Tornado Warning | HUN | Lawrence, Limestone, Morgan | 35 min |
| Mar 24, 6:59 PM CDT | Tornado Warning | BMX | Marion, Winston | 46 min |
| Mar 24, 7:08 PM CDT | Tornado Warning | HUN | Franklin | 17 min |
| Mar 24, 7:09 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 36 min |
| Mar 24, 7:11 PM CDT | Tornado Warning | MRX | Marion | 34 min |
| Mar 24, 7:18 PM CDT | Tornado Warning | OHX | Grundy | 27 min |
| Mar 24, 7:19 PM CDT | Tornado Warning | HUN | Limestone, Madison, Marshall, Morgan | 41 min |
| Mar 24, 7:28 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 47 min |
| Mar 24, 7:43 PM CDT | Tornado Warning | MRX | Marion, Sequatchie | 20 min |
| Mar 24, 7:57 PM CDT | Tornado Warning | HUN | DeKalb, Jackson, Marshall | 48 min |
| Mar 24, 8:32 PM CDT | Tornado Warning | HUN | DeKalb | 24 min |
| Mar 24, 8:39 PM CDT | Tornado Warning | HUN | DeKalb | 12 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
Nashville Metro, TN (KBNA), launched 12:00Z, 8.1 hours before the alert went out and 116 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
- 862 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 86 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 24, 2:34 PM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Lauderdale, Lawrence, Limestone, Marion | 116 min |
| Mar 24, 5:35 PM CDT | Mesoscale Discussion | SPC | Colbert, Lauderdale, Limestone, Madison | 85 min |
| Mar 24, 11:27 AM CDT | Mesoscale Discussion | SPC | Alcorn, DeSoto | 2 hr |
Nearby
Tornado Watches in Tennessee, 2020Tornado Watches in Mississippi, 2020Tornado Watches in Alabama, 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.