Alert archive / Tennessee / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 183, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jul 21, 2026, 11:14 PM CDT for Decatur County, Hardin County, Henderson County, Tennessee. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 21, 2026, 11:14 PM CDT (04:14 UTC)
- Expired
- Jul 22, 2026, 12:00 AM CDT
- In force
- 46 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Decatur County, TN, Hardin County, TN, Henderson County, TN
The radar
The Memphis radar (KNQA), 150 km from the middle of the area, began a volume at 04:17 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 21, 5:09 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 4.2 hours before the alert went out and 163 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
- 2403 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1248 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 13.1
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:15 PM CDT | Special Weather Statement | MEG | Henry | 30 min |
| Jul 21, 10:05 PM CDT | Special Weather Statement | MEG | Decatur, Henderson | 40 min |
| Jul 21, 10:32 PM CDT | Areal Flood Advisory | MEG | Benton, Carroll, Decatur, Henderson | 3 hr |
| Jul 21, 10:36 PM CDT | Special Weather Statement | MEG | Decatur, Henderson | 39 min |
| Jul 21, 11:11 PM CDT | Special Weather Statement | MEG | Decatur, Hardin | 34 min |
| Jul 21, 11:33 PM CDT | Special Weather Statement | MEG | Madison | 27 min |
| Jul 21, 11:49 PM CDT | Severe Thunderstorm Warning | MEG | Hardin | 41 min |
| Jul 21, 11:50 PM CDT | Special Weather Statement | MEG | Shelby, Tipton | 25 min |
| Jul 21, 11:51 PM CDT | Special Weather Statement | MEG | Chester, Madison | 24 min |
| Jul 21, 11:57 PM CDT | Areal Flood Advisory | MEG | Decatur, Hardin | 2 hr |
| Jul 22, 12:08 AM CDT | Special Weather Statement | MEG | Chester, Henderson, McNairy, Madison | 37 min |
| Jul 22, 12:22 AM CDT | Special Weather Statement | MEG | Hardin | 38 min |
| Jul 22, 12:28 AM CDT | Special Weather Statement | MEG | Fayette | 32 min |
| Jul 22, 12:43 AM CDT | Special Weather Statement | MEG | Chester | 32 min |
| Jul 22, 12:50 AM CDT | Special Weather Statement | MEG | Fayette, Hardeman | 25 min |
| Jul 22, 12:52 AM CDT | Special Weather Statement | MEG | Shelby | 23 min |
| Jul 22, 1:09 AM CDT | Areal Flood Advisory | MEG | Chester, Hardin, Henderson, McNairy | 89 min |
| Jul 22, 1:09 AM CDT | Special Weather Statement | MEG | Chester, Hardin, McNairy | 36 min |
| Jul 22, 1:10 AM CDT | Special Weather Statement | MEG | Shelby | 35 min |
| Jul 22, 1:14 AM CDT | Special Weather Statement | MEG | Hardeman, McNairy | 46 min |
| Jul 22, 1:25 AM CDT | Areal Flood Advisory | MEG | Shelby | 3 hr |
| Jul 21, 11:01 PM CDT | Heat Advisory | MEG | Calhoun, Chickasaw, Coahoma, Monroe, Quitman, Tallahatchie and 1 more | 21 hr |
| Jul 22, 1:39 AM CDT | Special Weather Statement | MEG | DeSoto | 51 min |
| Jul 22, 2:19 AM CDT | Special Weather Statement | MEG | Coahoma | 41 min |
| Jul 21, 7:53 PM CDT | Special Weather Statement | MEG | Greene | 37 min |
| Jul 22, 3:04 AM CDT | Special Weather Statement | MEG | Phillips | 26 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2026Every severe thunderstorm warning in 2026
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.