Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 78, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 9, 2021, 5:27 PM CDT for Dyer County, Lake County, Obion County, Tennessee; Pemiscot County, Missouri. It was in force for 26 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
- Apr 9, 2021, 5:27 PM CDT (22:27 UTC)
- Expired
- Apr 9, 2021, 5:53 PM CDT
- In force
- 26 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Pemiscot County, MO, Dyer County, TN, Lake County, TN, Obion County, TN
The radar
The Memphis radar (KNQA), 78 km from the middle of the area, began a volume at 22:28 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 9, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.5 hours before the alert went out and 135 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2139 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
529
WUUS54 KMEG 092227
SVRMEG
MOC155-TNC045-095-131-092315-
/O.NEW.KMEG.SV.W.0078.210409T2227Z-210409T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
527 PM CDT Fri Apr 9 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Southeastern Pemiscot County in southeastern Missouri...
Central Dyer County in western Tennessee...
Southwestern Obion County in western Tennessee...
Southeastern Lake County in western Tennessee...
* Until 615 PM CDT.
* At 527 PM CDT, a severe thunderstorm was located near Heloise, or
13 miles southeast of Steele, moving northeast at 25 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, Ridgely, Bradleytown, Heloise, Miston, Cloverdale,
Cottonwood Grove, Lenox, Ayers, Cat Corner, Papaw Ridge, Wynnburg,
Jenkinsville, Maxey, Tiger Tail, Broadmoor, Sharps Ferry, Middle
City, Poplar Ridge and Madie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3620 8923 3593 8953 3594 8956 3593 8957
3593 8959 3592 8961 3592 8964 3591 8964
3590 8965 3592 8965 3597 8972 3600 8973
3600 8977 3637 8949
TIME...MOT...LOC 2227Z 216DEG 23KT 3598 8965
HAIL...1.00IN
WIND...60MPH
$$
SJM3 follow-up statements
393
WWUS54 KMEG 092237
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
537 PM CDT Fri Apr 9 2021
MOC155-TNC045-095-131-092315-
/O.CON.KMEG.SV.W.0078.000000T0000Z-210409T2315Z/
Pemiscot MO-Dyer TN-Obion TN-Lake TN-
537 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHEASTERN PEMISCOT...CENTRAL DYER...SOUTHWESTERN OBION AND
SOUTHEASTERN LAKE COUNTIES...
At 537 PM CDT, a severe thunderstorm was located near Heloise, or 10
miles south of Caruthersville, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Dyersburg, Caruthersville, Ridgely, Bradleytown, Heloise, Miston,
Cloverdale, Cottonwood Grove, Lenox, Ayers, Cat Corner, Papaw Ridge,
Wynnburg, Jenkinsville, Maxey, Broadmoor, Sharps Ferry, Middle City,
Poplar Ridge and Madie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3620 8923 3594 8952 3596 8956 3595 8957
3596 8958 3596 8959 3598 8962 3601 8965
3604 8970 3607 8972 3637 8949
TIME...MOT...LOC 2237Z 216DEG 23KT 3604 8960
HAIL...1.00IN
WIND...60MPH
$$
SJM562
WWUS54 KMEG 092250
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
550 PM CDT Fri Apr 9 2021
MOC155-092259-
/O.CAN.KMEG.SV.W.0078.000000T0000Z-210409T2315Z/
Pemiscot MO-
550 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PEMISCOT COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Missouri...and western Tennessee.
LAT...LON 3620 8923 3596 8950 3599 8956 3603 8960
3606 8966 3610 8966 3612 8961 3613 8959
3616 8960 3619 8963 3624 8959 3625 8954
3627 8954 3628 8956 3637 8949
TIME...MOT...LOC 2249Z 225DEG 20KT 3607 8953
$$
TNC045-095-131-092315-
/O.CON.KMEG.SV.W.0078.000000T0000Z-210409T2315Z/
Dyer TN-Obion TN-Lake TN-
550 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR NORTHWESTERN DYER...SOUTHWESTERN OBION AND SOUTHEASTERN LAKE
COUNTIES...
At 549 PM CDT, a severe thunderstorm was located near Bradleytown, or
8 miles west of Dyersburg, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Dyersburg, Ridgely, Miston, Cloverdale, Cottonwood Grove,
Bradleytown, Lenox, Ayers, Cat Corner, Papaw Ridge, Wynnburg,
Jenkinsville, Maxey, Broadmoor, Sharps Ferry, Middle City, Poplar
Ridge, Madie, Mooring and Lane.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3620 8923 3596 8950 3599 8956 3603 8960
3606 8966 3610 8966 3612 8961 3613 8959
3616 8960 3619 8963 3624 8959 3625 8954
3627 8954 3628 8956 3637 8949
TIME...MOT...LOC 2249Z 225DEG 20KT 3607 8953
HAIL...1.00IN
WIND...60MPH
$$
SJM555
WWUS54 KMEG 092253
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
553 PM CDT Fri Apr 9 2021
TNC045-095-131-092302-
/O.CAN.KMEG.SV.W.0078.000000T0000Z-210409T2315Z/
Dyer TN-Obion TN-Lake TN-
553 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DYER...
SOUTHWESTERN OBION AND SOUTHEASTERN LAKE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Missouri...and western Tennessee.
LAT...LON 3620 8923 3596 8950 3599 8956 3603 8960
3606 8966 3610 8966 3612 8961 3613 8959
3616 8960 3619 8963 3624 8959 3625 8954
3627 8954 3628 8956 3637 8949
TIME...MOT...LOC 2252Z 216DEG 23KT 3609 8951
$$
SJMThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 5:12 PM CDT | Severe Thunderstorm Warning | MEG | Haywood, Lauderdale, Tipton | 48 min |
| Apr 9, 5:17 PM CDT | Special Weather Statement | MEG | Fayette | 28 min |
| Apr 9, 5:19 PM CDT | Special Weather Statement | MEG | Dyer | 26 min |
| Apr 9, 5:34 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Haywood, Lauderdale, Madison, Tipton | 41 min |
| Apr 9, 5:36 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman | 39 min |
| Apr 9, 6:08 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Gibson, Haywood, Madison | 52 min |
| Apr 9, 6:10 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Fayette, Hardeman, Haywood, Madison | 50 min |
| Apr 9, 6:28 PM CDT | Severe Thunderstorm Warning | MEG | Dyer, Gibson, Obion, Weakley | 29 min |
| Apr 9, 6:56 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Hardeman, McNairy, Madison | 49 min |
| Apr 9, 6:56 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Gibson, Haywood, Madison | 15 min |
| Apr 9, 3:57 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 48 min |
| Apr 9, 4:07 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 53 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.