Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 5, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Feb 28, 2021, 3:15 PM CST for Dyer County, Lake County, Tennessee; Dunklin County, Pemiscot County, Missouri. It was in force for 33 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, 3:15 PM CST (21:15 UTC)
- Expired
- Feb 28, 2021, 3:48 PM CST
- In force
- 33 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dunklin County, MO, Pemiscot County, MO, Dyer County, TN, Lake County, TN
The radar
The Memphis radar (KNQA), 84 km from the middle of the area, began a volume at 21:16 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 12:00Z, 9.3 hours before the alert went out and 142 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
- 448 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 396 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
031
WUUS54 KMEG 282115
SVRMEG
MOC069-155-TNC045-095-282200-
/O.NEW.KMEG.SV.W.0005.210228T2115Z-210228T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
315 PM CST Sun Feb 28 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Pemiscot County in southeastern Missouri...
Southeastern Dunklin County in southeastern Missouri...
Northwestern Dyer County in western Tennessee...
Southwestern Lake County in western Tennessee...
* Until 400 PM CST.
* At 314 PM CST, a severe thunderstorm was located over Hornersville,
or near Senath, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Kennett, Caruthersville, Hayti, Steele, Senath, Hornersville, Hayti
Heights, Arbyrd, Cooter, Deering, Heloise, Holland, Pascola,
Noland, Tennemo, Boothspoint, Big Boy Junction, Finley, Lenox and
Ayers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for eastern
Arkansas...southeastern Missouri...and western Tennessee.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3602 8946 3600 8977 3600 9022 3613 9025
3615 9023 3617 9023 3634 8963
TIME...MOT...LOC 2114Z 258DEG 36KT 3604 9016
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
SGW3 follow-up statements
803
WWUS54 KMEG 282131
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
331 PM CST Sun Feb 28 2021
MOC069-155-TNC045-095-282200-
/O.CON.KMEG.SV.W.0005.000000T0000Z-210228T2200Z/
Pemiscot MO-Dunklin MO-Dyer TN-Lake TN-
331 PM CST Sun Feb 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR PEMISCOT...SOUTHEASTERN DUNKLIN...NORTHWESTERN DYER AND
SOUTHWESTERN LAKE COUNTIES...
At 331 PM CST, a severe thunderstorm was located near Steele, moving
east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Kennett, Caruthersville, Hayti, Steele, Hayti Heights, Cooter,
Deering, Heloise, Holland, Pascola, Lenox, Ayers, Hathaway, Noland,
Tennemo, Boothspoint, Big Boy Junction, Mengelwood, Finley and Rives.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for eastern
Arkansas...southeastern Missouri...and western Tennessee.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3602 8946 3600 8977 3601 9007 3620 9012
3634 8963
TIME...MOT...LOC 2131Z 258DEG 36KT 3608 8995
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
SGW393 WWUS54 KMEG 282140 SVSMEG Severe Weather Statement National Weather Service Memphis TN 340 PM CST Sun Feb 28 2021 MOC069-155-TNC045-095-282200- /O.CON.KMEG.SV.W.0005.000000T0000Z-210228T2200Z/ Pemiscot MO-Dunklin MO-Dyer TN-Lake TN- 340 PM CST Sun Feb 28 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST FOR PEMISCOT...SOUTHEASTERN DUNKLIN...NORTHWESTERN DYER AND SOUTHWESTERN LAKE COUNTIES... At 340 PM CST, a severe thunderstorm was located over Steele, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Caruthersville, Hayti, Steele, Hayti Heights, Cooter, Deering, Heloise, Holland, Pascola, Lenox, Ayers, Hathaway, Tennemo, Boothspoint, Big Boy Junction, Mengelwood, Finley, West Hermondale, New Survey and Denton. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1000 PM CST for southeastern Missouri...and western Tennessee. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3602 8946 3601 8997 3623 9003 3634 8963 TIME...MOT...LOC 2140Z 258DEG 36KT 3610 8984 HAIL...<.75IN WIND...60MPH $$ SGW
277
WWUS54 KMEG 282148
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
348 PM CST Sun Feb 28 2021
MOC069-155-TNC045-095-282156-
/O.CAN.KMEG.SV.W.0005.000000T0000Z-210228T2200Z/
Pemiscot MO-Dunklin MO-Dyer TN-Lake TN-
348 PM CST Sun Feb 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR PEMISCOT...SOUTHEASTERN
DUNKLIN...NORTHWESTERN DYER AND SOUTHWESTERN LAKE COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds and
heavy rain are still possible with this thunderstorm.
A Tornado Watch remains in effect until 1000 PM CST for southeastern
Missouri...and western Tennessee.
LAT...LON 3602 8946 3601 8997 3623 9003 3634 8963
TIME...MOT...LOC 2146Z 258DEG 36KT 3611 8976
$$
SGWThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 6:37 PM CST | Special Weather Statement | MEG | Decatur | 23 min |
| Feb 27, 9:03 PM CST | Dense Fog Advisory | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 7 hr |
| Feb 28, 11:47 AM CST | River Flood Warning | MEG | Obion, Weakley | 65 hr |
| Feb 28, 11:49 AM CST | River Flood Warning | MEG | Dyer, Gibson, Obion | 7 days |
| Feb 28, 11:50 AM CST | River Flood Advisory | MEG | Decatur, Perry | 5 days |
| Feb 28, 3:37 PM CST | Flash Flood Warning | MEG | Lake, Obion | 2 hr |
| Feb 28, 4:37 PM CST | Flash Flood Warning | MEG | Dyer, Lake, Obion, Weakley | 5 hr |
| Feb 28, 4:44 PM CST | Flash Flood Warning | MEG | Lake, Obion | 5 hr |
| Feb 28, 5:16 PM CST | Flash Flood Warning | MEG | Lauderdale | 3 hr |
| Feb 28, 5:34 PM CST | Severe Thunderstorm Warning | MEG | Lauderdale, Shelby, Tipton | 41 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2021Severe Thunderstorm Warnings in Missouri, 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.