Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 110, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at May 4, 2021, 2:59 AM CDT for Pemiscot County, Missouri; 4 counties in Tennessee; Mississippi County, Arkansas. It was in force for 46 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
- May 4, 2021, 2:59 AM CDT (07:59 UTC)
- Expired
- May 4, 2021, 3:45 AM CDT
- In force
- 46 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Mississippi County, AR, Pemiscot County, MO, Dyer County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN
The radar
The Memphis radar (KNQA), 93 km from the middle of the area, began a volume at 07:58 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 |
|---|---|---|---|
| May 4, 3:05 AM CDT | TSTM WND DMG | Tiptonville, TN | POWER POLE SNAPPED. |
| May 4, 3:15 AM CDT | TSTM WND DMG | Samburg, TN | WIDESPREAD TREE AND ROOF DAMAGE IN THE SAMBURG AREA. |
| May 4, 3:25 AM CDT | TSTM WND DMG | 5 S Clayton, TN | ROOF BLOWN OFF HOME ON SHAWTOWN RD. |
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 |
|---|---|---|---|
| May 4, 1:41 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 8.0 hours before the alert went out and 150 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
- 3608 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1081 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 15.3
The text
As transmitted.
913
WUUS54 KMEG 040759
SVRMEG
ARC093-MOC155-TNC045-095-097-131-040845-
/O.NEW.KMEG.SV.W.0110.210504T0759Z-210504T0845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
259 AM CDT Tue May 4 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Northeastern Mississippi County in eastern Arkansas...
Eastern Pemiscot County in southeastern Missouri...
Dyer County in western Tennessee...
Western Obion County in western Tennessee...
Lauderdale County in western Tennessee...
Lake County in western Tennessee...
* Until 345 AM CDT.
* At 258 AM CDT, severe thunderstorms were located along a line
extending from near Bolton to near Caruthersville to near Marie,
moving east at 65 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...
Dyersburg, Blytheville, Ripley, Osceola, Caruthersville,
Portageville, Hayti, Luxora, Reelfoot Lake State Park, Fort Pillow
State Park, Tiptonville, Newbern, Halls, Ridgely, Troy, Obion,
Burdette, Marie, Clayton and Bradleytown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3650 8909 3605 8916 3588 8934 3582 8937
3582 8940 3561 8956 3565 8962 3565 8976
3561 8983 3561 9010 3612 8975 3643 8973
3641 8960 3634 8954 3638 8951 3642 8955
3650 8954 3650 8949 3646 8947 3650 8942
TIME...MOT...LOC 0758Z 267DEG 55KT 3630 8968 3613 8966 3560 9004
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
259
WWUS54 KMEG 040836
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
336 AM CDT Tue May 4 2021
MOC155-040846-
/O.CAN.KMEG.SV.W.0110.000000T0000Z-210504T0845Z/
Pemiscot MO-
336 AM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN PEMISCOT COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
eastern Arkansas...and western Tennessee.
LAT...LON 3650 8909 3620 8914 3620 8915 3605 8916
3588 8934 3582 8937 3582 8940 3561 8956
3565 8962 3565 8976 3561 8983 3561 8994
3613 8959 3634 8947 3650 8942
TIME...MOT...LOC 0836Z 267DEG 55KT 3633 8900 3616 8899 3563 8937
$$
ARC093-TNC045-095-097-131-040845-
/O.CON.KMEG.SV.W.0110.000000T0000Z-210504T0845Z/
Mississippi AR-Dyer TN-Obion TN-Lauderdale TN-Lake TN-
336 AM CDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR NORTHEASTERN MISSISSIPPI...DYER...WESTERN OBION...LAUDERDALE AND
EASTERN LAKE COUNTIES...
At 336 AM CDT, severe thunderstorms were located along a line
extending from 7 miles south of Union City to near Rutherford to near
Nutbush, moving east at 65 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Dyersburg, Ripley, Reelfoot Lake State Park, Fort Pillow State Park,
Tiptonville, Newbern, Halls, Ridgely, Troy, Obion, Clayton,
Bradleytown, Unionville, Ashport, Ft Pillow, Cloverdale, Fulton,
Miston, Henning and Gates.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3650 8909 3620 8914 3620 8915 3605 8916
3588 8934 3582 8937 3582 8940 3561 8956
3565 8962 3565 8976 3561 8983 3561 8994
3613 8959 3634 8947 3650 8942
TIME...MOT...LOC 0836Z 267DEG 55KT 3633 8900 3616 8899 3563 8937
HAIL...<.75IN
WIND...60MPH
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:45 AM CDT | Special Weather Statement | MEG | Dunklin, Pemiscot | 30 min |
| May 4, 1:34 AM CDT | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 41 min |
| May 4, 2:08 AM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 52 min |
| May 4, 2:25 AM CDT | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 50 min |
| May 4, 2:58 AM CDT | Areal Flood Advisory | MEG | Dunklin | 2 hr |
| May 4, 11:37 AM CDT | River Flood Warning | MEG | Dunklin | 47 hr |
| May 4, 5:56 PM CDT | Special Weather Statement | MEG | Dunklin | 34 min |
| May 4, 6:25 PM CDT | Special Weather Statement | MEG | Dunklin, Pemiscot | 35 min |
| May 4, 6:56 PM CDT | Special Weather Statement | MEG | Pemiscot | 34 min |
| May 4, 2:34 AM CDT | Severe Thunderstorm Warning | MEG | Tipton | 41 min |
| May 4, 3:10 AM CDT | Special Weather Statement | MEG | Shelby, Tipton | 35 min |
| May 4, 3:28 AM CDT | Severe Thunderstorm Warning | MEG | Carroll, Crockett, Dyer, Gibson, Obion, Weakley | 47 min |
| May 4, 3:46 AM CDT | Special Weather Statement | MEG | Crockett | 44 min |
| May 4, 3:54 AM CDT | Special Weather Statement | MEG | Fayette, Haywood, Shelby, Tipton | 51 min |
| May 4, 4:10 AM CDT | Special Weather Statement | MEG | Henry | 35 min |
| May 4, 4:18 AM CDT | Severe Thunderstorm Warning | MEG | Benton, Carroll, Henry, Weakley | 27 min |
| May 4, 4:20 AM CDT | Special Weather Statement | MEG | Gibson | 25 min |
| May 4, 4:43 AM CDT | Severe Thunderstorm Warning | MEG | Benton, Carroll, Decatur, Henderson, Henry | 47 min |
| May 4, 4:47 AM CDT | Areal Flood Advisory | MEG | Fayette, Shelby | 73 min |
| May 4, 11:40 AM CDT | River Flood Warning | MEG | Crockett, Dyer, Lauderdale | 7 days |
| May 4, 3:00 PM CDT | Severe Thunderstorm Warning | MEG | Hardeman | 19 min |
| May 4, 5:28 PM CDT | Special Weather Statement | MEG | Henry | 32 min |
| May 4, 5:43 PM CDT | Areal Flood Advisory | MEG | Shelby | 3 hr |
| May 4, 6:29 PM CDT | Severe Thunderstorm Warning | MEG | Shelby, Tipton | 46 min |
| May 4, 12:38 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 52 min |
| May 4, 1:30 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 45 min |
| May 4, 1:46 AM CDT | Flash Flood Warning | MEG | Clay, Greene | 3 hr |
| May 4, 1:48 AM CDT | Special Weather Statement | MEG | Craighead, Poinsett | 27 min |
| May 4, 1:57 AM CDT | Severe Thunderstorm Warning | MEG | Craighead, Greene, Poinsett | 48 min |
| May 4, 5:03 PM CDT | Special Weather Statement | MEG | Craighead, Greene | 27 min |
| May 4, 5:29 PM CDT | Special Weather Statement | MEG | Craighead, Greene, Poinsett | 31 min |
| May 4, 6:20 PM CDT | Special Weather Statement | MEG | Cross | 40 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2021Severe Thunderstorm Warnings in Missouri, 2021Severe Thunderstorm Warnings in Arkansas, 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.