Alert archive / Tennessee / Tornado Watches in 2024
Tornado Watch 209
The Storm Prediction Center issued this tornado watch at May 8, 2024, 2:51 PM CDT for 15 counties in Tennessee. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 8, 2024, 2:51 PM CDT (19:51 UTC)
- Expired
- May 8, 2024, 8:16 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
Counties Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Gibson County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Weakley County, TN
The radar
The Paducah radar (KPAH), 108 km from the middle of the area, began a volume at 19:50 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
- 60%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 3:07 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Henderson | 53 min |
| May 8, 3:24 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Henry, Weakley | 51 min |
| May 8, 3:34 PM CDT | Tornado Warning | MEG | Benton, Henry | 41 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, 7.9 hours before the alert went out and 208 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
- 2219 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 7.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 12:56 AM CDT | Tornado Watch | SPC | Dyer, Lake, Lauderdale, Obion, Shelby, Tipton | 5 hr |
| May 8, 3:23 AM CDT | Mesoscale Discussion | SPC | Fayette, Haywood, Lauderdale, Shelby, Tipton | 2 hr |
| May 8, 7:50 AM CDT | Mesoscale Discussion | SPC | Anderson, Benton, Campbell, Cannon, Cheatham, Claiborne and 32 more | 2 hr |
| May 8, 9:04 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Blount, Campbell, Carter, Claiborne, Cocke and 17 more | 6 hr |
| May 8, 9:56 AM CDT | Mesoscale Discussion | SPC | Anderson, Blount, Cocke, Grainger, Greene, Hamblen and 7 more | 94 min |
| May 8, 12:58 PM CDT | Mesoscale Discussion | SPC | Cheatham, Clay, Cumberland, Davidson, DeKalb, Dickson and 14 more | 62 min |
| May 8, 1:13 PM CDT | Tornado Watch | SPC | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 10 hr |
| May 8, 1:50 PM CDT | Mesoscale Discussion | SPC | Benton, Cheatham, Clay, Davidson, Dickson, Gibson and 15 more | 55 min |
| May 8, 3:41 PM CDT | Mesoscale Discussion | SPC | Bedford, Benton, Bledsoe, Cannon, Carroll, Cheatham and 57 more | 94 min |
| May 8, 4:14 PM CDT | Tornado Watch | SPC | Anderson, Bledsoe, Blount, Bradley, Campbell, Franklin and 15 more | 7 hr |
| May 8, 5:51 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 24 more | 114 min |
Nearby
Tornado Watches in Tennessee, 2024Every tornado watch in 2024
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.