Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 9, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Feb 28, 2021, 6:37 PM CST for 4 counties in Tennessee. It was in force for 23 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
- Feb 28, 2021, 6:37 PM CST (00:37 UTC)
- Expired
- Feb 28, 2021, 7:00 PM CST
- In force
- 23 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fayette County, TN, Haywood County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 28 km from the middle of the area, began a volume at 00:37 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 |
|---|---|---|---|
| Feb 28, 2:22 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 0.6 hours before the alert went out and 60 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
- 229 J/kg
- Mixed-layer CIN
- -269 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- -399 m²/s²
- 0-3 km storm-relative helicity
- -284 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.4
The text
As transmitted.
051
WUUS54 KMEG 010037
SVRMEG
TNC047-075-157-167-010100-
/O.NEW.KMEG.SV.W.0009.210301T0037Z-210301T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
637 PM CST Sun Feb 28 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Southeastern Tipton County in western Tennessee...
Northwestern Fayette County in western Tennessee...
Southwestern Haywood County in western Tennessee...
Northeastern Shelby County in western Tennessee...
* Until 700 PM CST.
* At 636 PM CST, a severe thunderstorm was located over Arlington, or
10 miles east of Bartlett, moving east at 45 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...
Bartlett, Lakeland, Arlington, Somerville, Eads, Warren, Atoka,
Oakland, Mason, Gallaway, Stanton, Braden, Asbury, Lenow, Yum Yum,
Barretville, Belmont, Redwood, Taylor Chapel and Idaville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for western
Tennessee.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers.
&&
LAT...LON 3514 8977 3543 8976 3550 8931 3518 8929
TIME...MOT...LOC 0036Z 263DEG 39KT 3528 8966
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
525
WWUS54 KMEG 010051
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
651 PM CST Sun Feb 28 2021
TNC157-010100-
/O.CAN.KMEG.SV.W.0009.000000T0000Z-210301T0100Z/
Shelby TN-
651 PM CST Sun Feb 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SHELBY COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has weakened.
moved out of the warned area. Therefore, the warning has been
cancelled.
A Tornado Watch remains in effect until 1000 PM CST for western
Tennessee.
LAT...LON 3518 8929 3515 8964 3522 8964 3545 8961
3550 8931
TIME...MOT...LOC 0050Z 263DEG 39KT 3530 8947
$$
TNC047-075-167-010100-
/O.CON.KMEG.SV.W.0009.000000T0000Z-210301T0100Z/
Tipton TN-Fayette TN-Haywood TN-
651 PM CST Sun Feb 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CST
FOR SOUTHEASTERN TIPTON...NORTHWESTERN FAYETTE AND SOUTHWESTERN
HAYWOOD COUNTIES...
At 650 PM CST, a severe thunderstorm was located near Somerville, or
20 miles northeast of Cordova, moving east at 45 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...
Somerville, Warren, Oakland, Mason, Gallaway, Stanton, Braden,
Asbury, Yum Yum, Belmont, Canaan Grove, Longtown, Moorman, Taylor
Chapel, Keeling, Lambert, Gainesville, Hickory Withe, Powers and
Griffen.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for western
Tennessee.
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a storm shelter or small
interior room.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3518 8929 3515 8964 3522 8964 3545 8961
3550 8931
TIME...MOT...LOC 0050Z 263DEG 39KT 3530 8947
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 6:00 PM CST | Flash Flood Warning | MEG | Lake, Obion | 2 hr |
| Feb 28, 6:16 PM CST | Severe Thunderstorm Warning | MEG | Shelby, Tipton | 28 min |
| Feb 28, 6:35 PM CST | Flash Flood Warning | MEG | Benton, Henry, Obion, Weakley | 3 hr |
| Feb 28, 8:09 PM CST | Areal Flood Warning | MEG | Benton, Carroll, Chester, Crockett, Decatur, Fayette and 10 more | 6 hr |
| Feb 28, 8:21 PM CST | Areal Flood Advisory | MEG | Benton, Carroll, Crockett, Dyer, Gibson, Haywood and 5 more | 6 hr |
| Mar 1, 2:06 AM CST | Areal Flood Warning | MEG | Fayette, Shelby, Tipton | 3 hr |
| Mar 1, 3:39 AM CST | River Flood Warning | MEG | Fayette, Shelby | 16 hr |
| Mar 1, 2:56 PM CST | River Flood Advisory | MEG | Lauderdale, Tipton | 5 hr |
| Mar 1, 3:09 PM CST | River Flood Advisory | MEG | Dyer, Lake, Lauderdale | 4 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.