Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 100, NWS Memphis, TN

April 28, 2021Obion County, Weakley County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Apr 28, 2021, 5:06 PM CDT for Obion County, Weakley County, Tennessee. It was in force for 54 min. 1 report 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
Apr 28, 2021, 5:06 PM CDT (22:06 UTC)
Expired
Apr 28, 2021, 6:00 PM CDT
In force
54 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 72 km from the middle of the area, began a volume at 22:05 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

TimeReportWhereRemark
Apr 28, 5:20 PM CDTTSTM WND DMGUnion City, TNBRANCHES GREATER THAN A FOOT IN DIAMETER TORN FROM TREES.

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 12:00Z, 10.1 hours before the alert went out and 199 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.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 845 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
845 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

949 
WUUS54 KMEG 282206
SVRMEG
TNC131-183-282300-
/O.NEW.KMEG.SV.W.0100.210428T2206Z-210428T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
506 PM CDT Wed Apr 28 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Northwestern Weakley County in western Tennessee...
  Eastern Obion County in western Tennessee...

* Until 600 PM CDT.

* At 506 PM CDT, a severe thunderstorm was located over Troy, or 8
  miles southwest of Union City, moving northeast at 30 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...
  Union City, Fulton, South Fulton, Troy, Obion, Clayton, Woodland
  Mills, Rives, Walnut Log, Old Fremont, Gibbs, Moffatt, Ruthville,
  Shaffner, Wolverine, Terrell, McConnell, McCutchen Heights, Fremont
  and Crystal.

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 3650 8863 3627 8920 3650 8934 3651 8930
TIME...MOT...LOC 2206Z 233DEG 26KT 3634 8915 

HAIL...1.00IN
WIND...60MPH
 
$$

KRM
3 follow-up statements
203 
WWUS54 KMEG 282224
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
524 PM CDT Wed Apr 28 2021

TNC131-183-282300-
/O.CON.KMEG.SV.W.0100.000000T0000Z-210428T2300Z/
Weakley TN-Obion TN-
524 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHWESTERN WEAKLEY AND NORTHEASTERN OBION COUNTIES...

At 524 PM CDT, a severe thunderstorm was located near Union City,
moving northeast at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Union City, Fulton, South Fulton, Troy, Woodland Mills, Rives, Old
Fremont, Gibbs, Moffatt, Ruthville, Shaffner, Wolverine, Terrell,
McConnell, McCutchen Heights, Crystal and Dukedom.

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 3628 8917 3640 8917 3651 8923 3650 8863
TIME...MOT...LOC 2224Z 240DEG 24KT 3641 8896 

HAIL...0.75IN
WIND...60MPH
 
$$

MJ
558 
WWUS54 KMEG 282241
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
541 PM CDT Wed Apr 28 2021

TNC131-183-282300-
/O.CON.KMEG.SV.W.0100.000000T0000Z-210428T2300Z/
Weakley TN-Obion TN-
541 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHWESTERN WEAKLEY AND NORTHEASTERN OBION COUNTIES...

At 541 PM CDT, a severe thunderstorm was located near South Fulton,
or near Fulton, moving northeast at 35 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fulton, South Fulton, Shaffner, Ruthville, Terrell and McConnell. 

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 3635 8900 3643 8898 3650 8889 3650 8863
TIME...MOT...LOC 2241Z 245DEG 29KT 3647 8880 

HAIL...0.75IN
WIND...60MPH
 
$$

MJ
412 
WWUS54 KMEG 282253
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
553 PM CDT Wed Apr 28 2021

TNC131-282303-
/O.CAN.KMEG.SV.W.0100.000000T0000Z-210428T2300Z/
Obion TN-
553 PM CDT Wed Apr 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OBION 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 3650 8863 3645 8874 3643 8882 3648 8882
      3649 8883 3650 8883
TIME...MOT...LOC 2253Z 251DEG 23KT 3648 8871 

$$

TNC183-282300-
/O.CON.KMEG.SV.W.0100.000000T0000Z-210428T2300Z/
Weakley TN-
553 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTH CENTRAL WEAKLEY COUNTY...

At 553 PM CDT, a severe thunderstorm was located near Latham, or 9
miles east of Fulton, moving east at 25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Ruthville.

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 3650 8863 3645 8874 3643 8882 3648 8882
      3649 8883 3650 8883
TIME...MOT...LOC 2253Z 251DEG 23KT 3648 8871 

HAIL...0.75IN
WIND...60MPH
 
$$

MJ

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 28, 4:38 PM CDTSpecial Weather StatementMEGObion37 min
Apr 28, 5:39 PM CDTSpecial Weather StatementMEGWeakley51 min
Apr 28, 5:48 PM CDTSevere Thunderstorm WarningMEGHenry, Weakley42 min
Apr 28, 6:11 PM CDTTornado WarningMEGHenry, Weakley49 min
Apr 28, 6:54 PM CDTTornado WarningMEGHenry51 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.