Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 31, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Mar 25, 2021, 6:28 PM CDT for Decatur County, Hardin County, McNairy County, Tennessee. It was in force for 62 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 25, 2021, 6:28 PM CDT (23:28 UTC)
- Expired
- Mar 25, 2021, 7:30 PM CDT
- In force
- 62 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, McNairy County, TN
The radar
The Memphis radar (KNQA), 163 km from the middle of the area, began a volume at 23:29 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 25, 6:38 PM CDT | TSTM WND DMG | 4 E Selmer, TN | DOWNED TREE KNOCKED DOWN SOME POWER LINES ON BYRD. |
| Mar 25, 6:40 PM CDT | HAIL 1 | Stantonville, TN | TIME ESTIMATED FROM RADAR. |
| Mar 25, 6:53 PM CDT | HAIL 1 | Savannah, TN | TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 25, 3:48 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.5 hours before the alert went out and 159 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
- 60 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
435
WUUS54 KMEG 252328
SVRMEG
TNC039-071-109-260030-
/O.NEW.KMEG.SV.W.0031.210325T2328Z-210326T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
628 PM CDT Thu Mar 25 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Central McNairy County in western Tennessee...
Hardin County in western Tennessee...
Southeastern Decatur County in western Tennessee...
* Until 730 PM CDT.
* At 628 PM CDT, a severe thunderstorm was located near Selmer,
moving northeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Savannah, Selmer, Adamsville, Morris Chapel, Shiloh, Olive Hill,
Crump, Bethel Springs, Eastview, Michie, Guys, Ramer, Saltillo,
Stantonville, Pleasant Grove, Hurley, Walkertown, Cerro Gordo,
Chambers and Thurman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for western
Tennessee.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3539 8799 3539 8803 3537 8803 3535 8800
3533 8802 3530 8802 3529 8798 3513 8798
3500 8872 3520 8867 3553 8798 3551 8797
3549 8798 3547 8803 3544 8804 3543 8803
3541 8797
TIME...MOT...LOC 2328Z 245DEG 44KT 3512 8862
HAIL...1.00IN
WIND...60MPH
$$
MJ3 follow-up statements
975
WWUS54 KMEG 260002
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
702 PM CDT Thu Mar 25 2021
TNC039-071-109-260030-
/O.CON.KMEG.SV.W.0031.000000T0000Z-210326T0030Z/
McNairy TN-Hardin TN-Decatur TN-
702 PM CDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR EASTERN MCNAIRY...HARDIN AND SOUTHEASTERN DECATUR COUNTIES...
At 701 PM CDT, a severe thunderstorm was located near Olive Hill, or
7 miles east of Savannah, moving east at 50 mph. A second severe
thunderstorm was located near Michie, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Savannah, Selmer, Adamsville, Olive Hill, Morris Chapel, Shiloh,
Crump, Eastview, Michie, Guys, Ramer, Saltillo, Stantonville, Good
Hope, Pebble Hill, Right, Hamburg, Phillips, Tulu and Old Lawton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for western
Tennessee.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3539 8799 3539 8803 3537 8803 3535 8800
3533 8802 3530 8802 3529 8798 3513 8798
3502 8863 3528 8850 3553 8798 3551 8797
3549 8798 3547 8803 3544 8804 3543 8803
3541 8797
TIME...MOT...LOC 0001Z 258DEG 45KT 3523 8811
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
MJ658
WWUS54 KMEG 260014
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
714 PM CDT Thu Mar 25 2021
TNC039-109-260024-
/O.CAN.KMEG.SV.W.0031.000000T0000Z-210326T0030Z/
McNairy TN-Decatur TN-
714 PM CDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MCNAIRY AND
SOUTHEASTERN DECATUR COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for western
Tennessee.
LAT...LON 3539 8803 3537 8803 3535 8800 3533 8802
3530 8802 3529 8798 3513 8798 3507 8834
3525 8830
TIME...MOT...LOC 0014Z 242DEG 63KT 3517 8816
$$
TNC071-260030-
/O.CON.KMEG.SV.W.0031.000000T0000Z-210326T0030Z/
Hardin TN-
714 PM CDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR CENTRAL HARDIN COUNTY...
At 714 PM CDT, a severe thunderstorm was located near Savannah,
moving northeast at 70 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Savannah, Olive Hill, Center Star, Maddox, Hamburg, Walkertown,
Olivehill, Phillips, Bucktown, Cerro Gordo and Childers Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for western
Tennessee.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3539 8803 3537 8803 3535 8800 3533 8802
3530 8802 3529 8798 3513 8798 3507 8834
3525 8830
TIME...MOT...LOC 0014Z 242DEG 63KT 3517 8816
HAIL...1.00IN
WIND...60MPH
$$
MJ990
WWUS54 KMEG 260030
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
730 PM CDT Thu Mar 25 2021
TNC071-260040-
/O.EXP.KMEG.SV.W.0031.000000T0000Z-210326T0030Z/
Hardin TN-
730 PM CDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HARDIN COUNTY HAS
EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
A Tornado Watch remains in effect until 1100 PM CDT for western
Tennessee.
LAT...LON 3539 8803 3537 8803 3535 8800 3533 8802
3530 8802 3529 8798 3513 8798 3507 8834
3525 8830
TIME...MOT...LOC 0030Z 245DEG 44KT 3525 8794
$$
MJThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 5:06 AM CDT | Areal Flood Advisory | MEG | Shelby | 3 hr |
| Mar 25, 6:01 AM CDT | Areal Flood Advisory | MEG | Fayette, Shelby | 3 hr |
| Mar 25, 6:28 AM CDT | Special Weather Statement | MEG | Fayette | 32 min |
| Mar 25, 5:14 PM CDT | Special Weather Statement | MEG | Decatur | 31 min |
| Mar 25, 5:16 PM CDT | Areal Flood Advisory | MEG | Decatur, Hardin, McNairy | 3 hr |
| Mar 25, 5:26 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman | 34 min |
| Mar 25, 5:56 PM CDT | Severe Thunderstorm Warning | MEG | Hardeman, McNairy | 49 min |
| Mar 25, 6:14 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Hardin, Henderson, McNairy | 46 min |
| Mar 25, 6:49 PM CDT | Tornado Warning | MEG | Hardin | 30 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.