Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 124, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at May 4, 2021, 7:09 PM CDT for Crittenden County, Arkansas; Fayette County, Shelby County, Tennessee. 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
- May 4, 2021, 7:09 PM CDT (00:09 UTC)
- Expired
- May 4, 2021, 7:35 PM CDT
- In force
- 26 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crittenden County, AR, Fayette County, TN, Shelby County, TN
The radar
The Memphis radar (KNQA), 8 km from the middle of the area, began a volume at 00:09 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 nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 0.2 hours before the alert went out and 58 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
- 106 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 730 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted.
127
WUUS54 KMEG 050009
SVRMEG
ARC035-TNC047-157-050100-
/O.NEW.KMEG.SV.W.0124.210505T0009Z-210505T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
709 PM CDT Tue May 4 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Northeastern Crittenden County in eastern Arkansas...
Western Fayette County in western Tennessee...
Shelby County in western Tennessee...
* Until 800 PM CDT.
* At 708 PM CDT, a severe thunderstorm was located near Jericho, or
near Meeman Shelby Forest State Park, moving east at 40 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...
Bartlett, Collierville, Germantown, West Memphis, Marion,
Millington, Meeman Shelby Forest State Park, Cordova, Memphis,
Lakeland, Arlington, Sunset, Ellendale, Frayser, Midtown Memphis,
Downtown Memphis, Eads, Oakland, Piperton and Gallaway.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3540 9019 3540 9017 3538 9018 3538 9014
3540 9014 3540 9010 3538 9008 3540 9004
3538 8965 3537 8964 3538 8963 3538 8952
3502 8954 3517 9025
TIME...MOT...LOC 0008Z 276DEG 36KT 3531 9015
HAIL...1.00IN
WIND...60MPH
$$
SJM1 follow-up statement
388
WWUS54 KMEG 050035
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
735 PM CDT Tue May 4 2021
ARC035-TNC047-157-050045-
/O.CAN.KMEG.SV.W.0124.000000T0000Z-210505T0100Z/
Crittenden AR-Fayette TN-Shelby TN-
735 PM CDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CRITTENDEN...
WESTERN FAYETTE AND SHELBY COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
LAT...LON 3540 9019 3540 9017 3538 9018 3538 9014
3540 9014 3540 9010 3538 9008 3540 9004
3538 8965 3537 8964 3538 8963 3538 8952
3502 8954 3517 9025
TIME...MOT...LOC 0033Z 276DEG 36KT 3528 8982
$$
SJMThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 7:28 PM CDT | Special Weather Statement | MEG | Dyer, Gibson | 32 min |
| May 4, 7:58 PM CDT | Special Weather Statement | MEG | Weakley | 32 min |
| May 4, 8:01 PM CDT | River Flood Warning | MEG | Madison | 24 hr |
Nearby
Severe Thunderstorm Warnings in Tennessee, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.