Alert archive / Tennessee / Tornado Warnings in 2021
Tornado Warning 82, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Dec 11, 2021, 3:30 AM CST for Hardin County, McNairy County, Tennessee. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 11, 2021, 3:30 AM CST (09:30 UTC)
- Expired
- Dec 11, 2021, 3:51 AM CST
- In force
- 21 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Hardin County, TN, McNairy County, TN
The radar
The Memphis radar (KNQA), 134 km from the middle of the area, began a volume at 09:34 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 |
|---|---|---|---|
| Dec 10, 6:21 PM CST | Tornado Watch | SPC | 10 hr |
| Dec 10, 10:44 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 9.5 hours before the alert went out and 148 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
- 1725 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 398 m²/s²
- 0-3 km storm-relative helicity
- 420 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 16.2
The text
As transmitted.
504
WFUS54 KMEG 110930
TORMEG
TNC071-109-111015-
/O.NEW.KMEG.TO.W.0082.211211T0930Z-211211T1015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
330 AM CST Sat Dec 11 2021
The National Weather Service in Memphis has issued a
* Tornado Warning for...
McNairy County in western Tennessee...
Hardin County in western Tennessee...
* Until 415 AM CST.
* At 330 AM CST, a severe thunderstorm producing a tornado was
located over Big Hill Pond State Park, moving northeast at 55 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Savannah, Selmer, Big Hill Pond State Park, Adamsville, Sardis,
Morris Chapel, Shiloh, Crump, Bethel Springs, Eastview, Michie,
Guys, Ramer, Saltillo, Stantonville, Milledgeville, Hurley,
Walkertown, Cerro Gordo and Chambers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3514 8805 3499 8856 3499 8874 3500 8874
3509 8879 3515 8879 3538 8843 3537 8837
3540 8835 3542 8836 3542 8823 3540 8821
3538 8820 3539 8818
TIME...MOT...LOC 0930Z 235DEG 48KT 3508 8869
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
SMW1 follow-up statement
056
WWUS54 KMEG 110951
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
351 AM CST Sat Dec 11 2021
TNC071-109-111000-
/O.CAN.KMEG.TO.W.0082.000000T0000Z-211211T1015Z/
McNairy TN-Hardin TN-
351 AM CST Sat Dec 11 2021
...THE TORNADO WARNING FOR MCNAIRY AND HARDIN COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 500 AM CST for northeastern
Mississippi...and western Tennessee.
LAT...LON 3514 8805 3499 8856 3499 8874 3500 8874
3509 8879 3515 8879 3538 8843 3537 8837
3540 8835 3542 8836 3542 8823 3540 8821
3538 8820 3539 8818
TIME...MOT...LOC 0947Z 235DEG 48KT 3524 8841
$$
SMWThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 7:28 PM CST | Tornado Warning | MEG | Dyer, Lake, Lauderdale | 47 min |
| Dec 10, 8:04 PM CST | Tornado Warning | MEG | Dyer, Lake, Obion | 41 min |
| Dec 10, 8:28 PM CST | Tornado Warning | MEG | Lake, Obion | 30 min |
| Dec 10, 9:24 PM CST | Tornado Warning | MEG | Lauderdale | 51 min |
| Dec 10, 9:25 PM CST | Severe Thunderstorm Warning | MEG | Tipton | 50 min |
| Dec 10, 9:52 PM CST | Tornado Warning | MEG | Dyer, Lake, Obion | 38 min |
| Dec 10, 10:01 PM CST | Tornado Warning | MEG | Dyer, Haywood, Lauderdale | 44 min |
| Dec 10, 10:27 PM CST | Tornado Warning | MEG | Crockett, Dyer, Gibson, Obion, Weakley | 48 min |
| Dec 10, 10:34 PM CST | Tornado Warning | MEG | Obion | 27 min |
| Dec 10, 10:59 PM CST | Tornado Warning | MEG | Henry, Weakley | 46 min |
| Dec 10, 11:20 PM CST | Severe Thunderstorm Warning | MEG | Dyer, Lauderdale | 15 min |
| Dec 10, 11:25 PM CST | Severe Thunderstorm Warning | MEG | Shelby | 9 min |
| Dec 10, 11:37 PM CST | Tornado Warning | MEG | Henry | 27 min |
| Dec 10, 11:41 PM CST | Areal Flood Advisory | MEG | Dyer, Gibson, Henry, Lauderdale, Obion, Weakley | 3 hr |
| Dec 10, 11:48 PM CST | Severe Thunderstorm Warning | MEG | Fayette, Shelby | 42 min |
| Dec 10, 11:52 PM CST | Tornado Warning | MEG | Shelby, Tipton | 34 min |
| Dec 11, 12:05 AM CST | Tornado Warning | MEG | Shelby | 22 min |
| Dec 11, 12:26 AM CST | Special Weather Statement | MEG | Henry | 34 min |
| Dec 11, 12:30 AM CST | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Shelby, Tipton | 30 min |
| Dec 11, 12:35 AM CST | Areal Flood Advisory | MEG | Shelby | 4 hr |
| Dec 11, 12:36 AM CST | Tornado Warning | MEG | Fayette, Hardeman, Haywood | 24 min |
| Dec 11, 12:56 AM CST | Areal Flood Advisory | MEG | Henry, Weakley | 3 hr |
| Dec 11, 12:57 AM CST | Severe Thunderstorm Warning | MEG | Carroll, Crockett, Fayette, Gibson, Hardeman, Haywood and 1 more | 48 min |
| Dec 11, 12:59 AM CST | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Shelby | 31 min |
| Dec 11, 1:25 AM CST | Severe Thunderstorm Warning | MEG | Benton, Carroll, Chester, Decatur, Gibson, Hardeman and 2 more | 65 min |
| Dec 11, 1:30 AM CST | Special Weather Statement | MEG | Fayette, Hardeman | 30 min |
| Dec 11, 1:32 AM CST | Tornado Warning | MEG | Carroll, Chester, Henderson, Madison | 28 min |
| Dec 11, 1:53 AM CST | Tornado Warning | MEG | Benton, Carroll, Decatur, Henderson | 25 min |
| Dec 11, 2:26 AM CST | Special Weather Statement | MEG | Decatur, Hardin, McNairy | 34 min |
| Dec 11, 2:51 AM CST | Flash Flood Warning | MEG | Shelby | 2 hr |
| Dec 11, 3:03 AM CST | Severe Thunderstorm Warning | MEG | Hardeman, McNairy | 42 min |
| Dec 11, 3:19 AM CST | Areal Flood Advisory | MEG | Chester, Decatur, Fayette, Hardeman, Hardin, Henderson and 1 more | 3 hr |
| Dec 11, 3:21 AM CST | Special Weather Statement | MEG | Hardin | 24 min |
| Dec 11, 4:07 AM CST | Special Weather Statement | MEG | Hardin | 23 min |
| Dec 11, 4:32 AM CST | Special Weather Statement | MEG | Hardin | 28 min |
| Dec 11, 6:56 AM CST | Wind Advisory | MEG | Benton, Carroll, Crockett, Dyer, Gibson, Henry and 4 more | 5 hr |
Nearby
Tornado Warnings in Tennessee, 2021Every tornado warning in 2021Tornadoes in 2021
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.