Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 176, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jul 31, 2021, 9:26 PM CDT for 4 counties in Tennessee; Pemiscot County, Missouri. It was in force for 49 min. 2 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
- Jul 31, 2021, 9:26 PM CDT (02:26 UTC)
- Expired
- Jul 31, 2021, 10:15 PM CDT
- In force
- 49 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Pemiscot County, MO, Crockett County, TN, Dyer County, TN, Haywood County, TN, Lauderdale County, TN
The radar
The Memphis radar (KNQA), 80 km from the middle of the area, began a volume at 02:28 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 |
|---|---|---|---|
| Jul 31, 9:43 PM CDT | TSTM WND DMG | 4 Nw Dyersburg, TN | TREE ON POWER LINES ON RAMBO ROAD. |
| Jul 31, 9:50 PM CDT | TSTM WND DMG | 1 E Gates, TN | LARGE BRANCHES DOWN NEAR LAWRENCE ROAD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 2.4 hours before the alert went out and 137 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
- 2334 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1693 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
508
WUUS54 KMEG 010226
SVRMEG
MOC155-TNC033-045-075-097-010315-
/O.NEW.KMEG.SV.W.0176.210801T0226Z-210801T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
926 PM CDT Sat Jul 31 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Southern Pemiscot County in southeastern Missouri...
Northwestern Crockett County in western Tennessee...
Dyer County in western Tennessee...
Northeastern Lauderdale County in western Tennessee...
Northwestern Haywood County in western Tennessee...
* Until 1015 PM CDT.
* At 925 PM CDT, a severe thunderstorm was located near Heloise, or
10 miles south of Caruthersville, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Dyersburg, Caruthersville, Steele, Halls, Forked Deer, Chestnut
Bluff, Bradleytown, Heloise, Unionville, Friendship, Gates, Edith,
Fowlkes, Bonicord, Jenkinsville, Rohoboth, Maury Junction, Poplar
Grove, Parker and Curve.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3619 8961 3603 8916 3601 8920 3598 8917
3597 8914 3593 8913 3570 8938 3592 8961
3590 8965 3592 8965 3597 8972 3599 8972
3601 8974 3613 8988 3619 8963
TIME...MOT...LOC 0225Z 303DEG 31KT 3604 8960
HAIL...<.75IN
WIND...60MPH
$$3 follow-up statements
911
WWUS54 KMEG 010245
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
945 PM CDT Sat Jul 31 2021
MOC155-010255-
/O.CAN.KMEG.SV.W.0176.000000T0000Z-210801T0315Z/
Pemiscot MO-
945 PM CDT Sat Jul 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PEMISCOT COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3603 8916 3601 8920 3598 8917 3597 8914
3593 8913 3570 8938 3592 8961 3590 8965
3592 8965 3597 8972 3600 8973 3600 8971
3602 8969 3609 8968 3613 8959 3615 8959
3619 8962 3619 8960
TIME...MOT...LOC 0245Z 303DEG 31KT 3594 8942
$$
TNC033-045-075-097-010315-
/O.CON.KMEG.SV.W.0176.000000T0000Z-210801T0315Z/
Crockett TN-Dyer TN-Lauderdale TN-Haywood TN-
945 PM CDT Sat Jul 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHWESTERN CROCKETT...DYER...NORTHEASTERN LAUDERDALE AND
NORTHWESTERN HAYWOOD COUNTIES...
At 945 PM CDT, a severe thunderstorm was located over Unionville, or
7 miles south of Dyersburg, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Dyersburg, Halls, Forked Deer, Chestnut Bluff, Bradleytown, Heloise,
Unionville, Friendship, Gates, Edith, Fowlkes, Bonicord,
Jenkinsville, Rohoboth, Maury Junction, Poplar Grove, Parker, Curve,
Dog Hill and Tatumville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3603 8916 3601 8920 3598 8917 3597 8914
3593 8913 3570 8938 3592 8961 3590 8965
3592 8965 3597 8972 3600 8973 3600 8971
3602 8969 3609 8968 3613 8959 3615 8959
3619 8962 3619 8960
TIME...MOT...LOC 0245Z 303DEG 31KT 3594 8942
HAIL...<.75IN
WIND...60MPH
$$466
WWUS54 KMEG 010301
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
1001 PM CDT Sat Jul 31 2021
TNC033-045-075-097-010315-
/O.CON.KMEG.SV.W.0176.000000T0000Z-210801T0315Z/
Crockett TN-Dyer TN-Lauderdale TN-Haywood TN-
1001 PM CDT Sat Jul 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHWESTERN CROCKETT...SOUTHEASTERN DYER...NORTHEASTERN
LAUDERDALE AND NORTHWESTERN HAYWOOD COUNTIES...
At 1001 PM CDT, a severe thunderstorm was located near Chestnut
Bluff, or 13 miles southeast of Dyersburg, moving southeast at 35
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Dyersburg, Halls, Chestnut Bluff, Bradleytown, Forked Deer,
Unionville, Friendship, Gates, Bishop, Hawkinsville, Fowlkes,
Dryhill, Bonicord, Double Bridges, Jenkinsville, Frog Jump, Rohoboth,
Maury Junction, South Fork and Poplar Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3603 8916 3601 8920 3598 8917 3597 8914
3593 8913 3570 8938 3584 8952 3607 8940
3610 8935
TIME...MOT...LOC 0301Z 303DEG 31KT 3586 8928
HAIL...<.75IN
WIND...60MPH
$$543
WWUS54 KMEG 010305
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
1005 PM CDT Sat Jul 31 2021
TNC033-045-075-097-010315-
/O.EXP.KMEG.SV.W.0176.000000T0000Z-210801T0315Z/
Crockett TN-Dyer TN-Lauderdale TN-Haywood TN-
1005 PM CDT Sat Jul 31 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CROCKETT...
SOUTHEASTERN DYER...NORTHEASTERN LAUDERDALE AND NORTHWESTERN HAYWOOD
COUNTIES WILL EXPIRE AT 1015 PM CDT...
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 will be allowed to expire.
LAT...LON 3603 8916 3601 8920 3598 8917 3597 8914
3593 8913 3570 8938 3584 8952 3607 8940
3610 8935
TIME...MOT...LOC 0305Z 303DEG 31KT 3585 8925
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 8:40 PM CDT | Special Weather Statement | MEG | Lake | 35 min |
| Jul 31, 8:57 PM CDT | Severe Thunderstorm Warning | MEG | Lauderdale | 48 min |
| Jul 31, 9:09 PM CDT | Special Weather Statement | MEG | Henry, Weakley | 36 min |
| Jul 31, 9:44 PM CDT | Special Weather Statement | MEG | Lauderdale | 31 min |
| Jul 31, 9:58 PM CDT | Special Weather Statement | MEG | Crockett | 32 min |
| Jul 31, 10:05 PM CDT | Special Weather Statement | MEG | Gibson | 25 min |
| Jul 31, 10:23 PM CDT | Areal Flood Advisory | MEG | Gibson, Madison | 52 min |
| Jul 31, 10:25 PM CDT | Special Weather Statement | MEG | Carroll, Gibson | 35 min |
| Jul 31, 10:31 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Carroll, Decatur, Gibson, Henderson, Madison | 44 min |
| Jul 31, 10:33 PM CDT | Special Weather Statement | MEG | Chester, Madison | 27 min |
| Jul 31, 10:48 PM CDT | Tornado Warning | MEG | Benton, Carroll, Decatur, Henderson | 42 min |
| Jul 31, 11:03 PM CDT | Special Weather Statement | MEG | Hardin | 27 min |
| Jul 31, 11:05 PM CDT | Special Weather Statement | MEG | Dyer | 25 min |
| Jul 31, 11:07 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Hardin, Henderson, McNairy | 23 min |
| Jul 31, 11:12 PM CDT | Severe Thunderstorm Warning | MEG | Decatur, Henderson | 18 min |
| Jul 31, 11:29 PM CDT | Severe Thunderstorm Warning | MEG | Decatur, Henderson | 16 min |
| Jul 31, 11:31 PM CDT | Special Weather Statement | MEG | Decatur | 14 min |
| Aug 1, 4:42 AM CDT | Areal Flood Advisory | MEG | Hardin | 2 hr |
| Aug 1, 8:33 AM CDT | Special Weather Statement | MEG | McNairy | 57 min |
| Jul 31, 7:45 PM CDT | Special Weather Statement | MEG | Pemiscot | 15 min |
| Jul 31, 8:35 PM CDT | Special Weather Statement | MEG | Dunklin | 25 min |
| Jul 31, 8:56 PM CDT | Special Weather Statement | MEG | Dunklin | 34 min |
| Jul 31, 9:00 PM CDT | Special Weather Statement | MEG | Pemiscot | 30 min |
| Jul 31, 9:06 PM CDT | Tornado Warning | MEG | Dunklin, Pemiscot | 24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.