Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Memphis, TN

January 25, 2021Fayette County, Shelby County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jan 25, 2021, 3:39 PM CST for Fayette County, Shelby County, Tennessee. It was in force for 36 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
Jan 25, 2021, 3:39 PM CST (21:39 UTC)
Expired
Jan 25, 2021, 4:15 PM CST
In force
36 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Fayette County, TN, Shelby County, TN

The radar

The Memphis radar (KNQA), 30 km from the middle of the area, began a volume at 21:40 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
Jan 25, 3:45 PM CSTHAIL 11 Ese Germantown, TNNEAR THE INTERSECTION OF DOGWOOD AND CORDESE.
Jan 25, 4:25 PM CSTHAIL 22 S Germantown, TN2 INCH HAIL REPORTED ON SHELBY DRIVE.

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, 9.7 hours before the alert went out and 40 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 2021-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2021-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 650 square meters per square second.1939587897117Sfc1 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
4 J/kg
Mixed-layer CIN
-260 J/kg
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
650 m²/s²
0-3 km storm-relative helicity
696 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

279 
WUUS54 KMEG 252139
SVRMEG
TNC047-157-252215-
/O.NEW.KMEG.SV.W.0002.210125T2139Z-210125T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
339 PM CST Mon Jan 25 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Western Fayette County in western Tennessee...
  Southeastern Shelby County in western Tennessee...

* Until 415 PM CST.

* At 339 PM CST, a severe thunderstorm was located over Southeast
  Memphis, or near Germantown, moving northeast at 55 mph.

  HAZARD...Golf 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...
  Bartlett, Collierville, Germantown, Cordova, Memphis, Lakeland,
  Arlington, Eads, Warren, Macon, Oakland, Piperton, Rossville,
  Moscow, Lenow, Fisherville, Elba, Canadaville, Lambert and Kirk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3517 8989 3534 8949 3507 8935 3499 8975
      3500 8976
TIME...MOT...LOC 2139Z 244DEG 49KT 3505 8987 

HAIL...1.75IN
WIND...60MPH
 
$$

SGW
2 follow-up statements
447 
WWUS54 KMEG 252156
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
356 PM CST Mon Jan 25 2021

TNC047-157-252215-
/O.CON.KMEG.SV.W.0002.000000T0000Z-210125T2215Z/
Fayette TN-Shelby TN-
356 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CST
FOR WESTERN FAYETTE AND EAST CENTRAL SHELBY COUNTIES...

At 356 PM CST, a severe thunderstorm was located near Eads, or 8
miles northeast of Collierville, moving northeast at 55 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, Lakeland, Arlington, Eads, Warren, Macon,
Oakland, Piperton, Rossville, Moscow, Lenow, Fisherville, Elba,
Canadaville, Lambert, Kirk, Hays Crossing, Hickory Withe and Griffen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3520 8980 3534 8949 3507 8935 3502 8967
TIME...MOT...LOC 2156Z 244DEG 49KT 3516 8961 

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

SGW
965 
WWUS54 KMEG 252212
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
412 PM CST Mon Jan 25 2021

TNC047-157-252222-
/O.EXP.KMEG.SV.W.0002.000000T0000Z-210125T2215Z/
Fayette TN-Shelby TN-
412 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN FAYETTE AND EAST
CENTRAL SHELBY COUNTIES WILL EXPIRE AT 415 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However small hail
and heavy rain are still possible with this thunderstorm.

LAT...LON 3520 8980 3534 8949 3507 8935 3502 8967
TIME...MOT...LOC 2212Z 244DEG 49KT 3526 8937 

$$

SGW

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 24, 6:14 PM CSTDense Fog AdvisoryMEGBenton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more12 hr
Jan 25, 11:57 AM CSTSpecial Weather StatementMEGLauderdale33 min
Jan 25, 1:19 PM CSTRiver Flood WarningMEGObion, Weakley6 hr
Jan 25, 3:09 PM CSTSevere Thunderstorm WarningMEGShelby38 min
Jan 25, 4:01 PM CSTSevere Thunderstorm WarningMEGShelby29 min
Jan 25, 4:18 PM CSTSevere Thunderstorm WarningMEGFayette, Shelby12 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.