Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 87, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 9, 2021, 6:56 PM CDT for 4 counties in Tennessee. It was in force for 49 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, 6:56 PM CDT (23:56 UTC)
- Expired
- Apr 9, 2021, 7:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chester County, TN, Hardeman County, TN, Madison County, TN, McNairy County, TN
The radar
The Memphis radar (KNQA), 114 km from the middle of the area, began a volume at 23:56 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, 11.9 hours before the alert went out and 138 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.
048
WUUS54 KMEG 092356
SVRMEG
TNC023-069-109-113-100045-
/O.NEW.KMEG.SV.W.0087.210409T2356Z-210410T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
656 PM CDT Fri Apr 9 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Northeastern Hardeman County in western Tennessee...
Northwestern McNairy County in western Tennessee...
Southeastern Madison County in western Tennessee...
Chester County in western Tennessee...
* Until 745 PM CDT.
* At 656 PM CDT, a severe thunderstorm was located near Silerton, or
7 miles south of Chickasaw State Forest, 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...
Henderson, Bolivar, Chickasaw State Forest, Chickasaw State Park,
Silerton, Jacks Creek, Masseyville, Mifflin, Robertson, McNairy,
Hornsby, Finger, Enville, Pinson, Pine Top, Woodville, Hickory
Corners, Deanburg, Five Points and Montezuma.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3540 8840 3515 8887 3529 8901 3560 8861
3559 8861 3559 8858 3553 8853
TIME...MOT...LOC 2356Z 231DEG 23KT 3527 8887
HAIL...1.00IN
WIND...60MPH
$$
SJM1 follow-up statement
323
WWUS54 KMEG 100024
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
724 PM CDT Fri Apr 9 2021
TNC023-069-109-113-100045-
/O.CON.KMEG.SV.W.0087.000000T0000Z-210410T0045Z/
Hardeman TN-McNairy TN-Madison TN-Chester TN-
724 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN HARDEMAN...NORTHWESTERN MCNAIRY...SOUTHEASTERN
MADISON AND CHESTER COUNTIES...
At 723 PM CDT, a severe thunderstorm was located over Masseyville, or
8 miles southeast of Chickasaw State Park, moving northeast at 25
mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Henderson, Chickasaw State Forest, Chickasaw State Park, Silerton,
Jacks Creek, Masseyville, Mifflin, Robertson, McNairy, Hornsby,
Finger, Enville, Pinson, Pine Top, Woodville, Hickory Corners,
Deanburg, Five Points, Montezuma and Cabo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3540 8840 3519 8880 3540 8887 3560 8861
3559 8861 3559 8858 3553 8853
TIME...MOT...LOC 0023Z 239DEG 21KT 3532 8869
HAIL...1.50IN
WIND...60MPH
$$
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, 5:27 PM CDT | Severe Thunderstorm Warning | MEG | Dyer, Lake, Obion | 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 | Crockett, Gibson, Haywood, Madison | 15 min |
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.