Alert archive / Tennessee / Tornado Warnings in 2019

Tornado Warning 39, NWS Memphis, TN

October 21, 2019Fayette County, Hardeman County, Tennessee

NWS Memphis, TN issued this tornado warning at Oct 21, 2019, 7:09 AM CDT for Fayette County, Hardeman County, Tennessee. It was in force for 14 min. 3 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
Oct 21, 2019, 7:09 AM CDT (12:09 UTC)
Expired
Oct 21, 2019, 7:23 AM CDT
In force
14 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Fayette County, TN, Hardeman County, TN

The radar

The Memphis radar (KNQA), 48 km from the middle of the area, began a volume at 12:08 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
Oct 21, 7:14 AM CDTTSTM WND DMG2 W Williston, TNBARN DESTROYED IN THE 13000 BLOCK OF MACON ROAD.
Oct 21, 7:15 AM CDTTSTM WND DMG1 W Williston, TNROOF DAMAGE TO HOME AND A LOT OF TREE DAMAGE ALONG SONNY ROAD.
Oct 21, 7:15 AM CDTTSTM WND DMG1 W Williston, TNTREE ON HOME AND POWER LINES DOWN ALONG SONNY ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 21, 3:06 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 0.2 hours before the alert went out and 63 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 2019-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1094 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

140 
WFUS54 KMEG 211209
TORMEG
TNC047-069-211300-
/O.NEW.KMEG.TO.W.0039.191021T1209Z-191021T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
709 AM CDT Mon Oct 21 2019

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Central Fayette County in western Tennessee...
  West central Hardeman County in western Tennessee...

* Until 800 AM CDT.
    
* At 709 AM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located 10 miles east of Eads, or 11 miles
  northeast of Collierville, moving east at 50 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Whiteville, Somerville, Macon, Williston, Hickory Valley, Laconia
  and Pattersonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3511 8956 3516 8956 3533 8917 3513 8911
TIME...MOT...LOC 1209Z 258DEG 42KT 3514 8950 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
1 follow-up statement
477 
WWUS54 KMEG 211223
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
723 AM CDT Mon Oct 21 2019

TNC047-069-211232-
/O.CAN.KMEG.TO.W.0039.000000T0000Z-191021T1300Z/
Fayette TN-Hardeman TN-
723 AM CDT Mon Oct 21 2019

...THE TORNADO WARNING FOR CENTRAL FAYETTE AND WEST CENTRAL HARDEMAN
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 AM CDT for western
Tennessee.

Remember, a Severe Thunderstorm Warning still remains in effect for
Fayette County until 745 AM CDT.

LAT...LON 3511 8956 3516 8956 3533 8917 3513 8911
TIME...MOT...LOC 1220Z 258DEG 42KT 3517 8931 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 21, 4:26 AM CDTSevere Thunderstorm WarningMEGLauderdale, Tipton49 min
Oct 21, 5:44 AM CDTSevere Thunderstorm WarningMEGTipton46 min
Oct 21, 5:56 AM CDTSevere Thunderstorm WarningMEGShelby49 min
Oct 21, 6:13 AM CDTSevere Thunderstorm WarningMEGDyer, Lauderdale, Shelby, Tipton47 min
Oct 21, 6:20 AM CDTSevere Thunderstorm WarningMEGFayette, Shelby40 min
Oct 21, 6:23 AM CDTTornado WarningMEGLauderdale, Tipton25 min
Oct 21, 6:26 AM CDTTornado WarningMEGShelby, Tipton34 min
Oct 21, 6:26 AM CDTTornado WarningMEGLauderdale, Tipton25 min
Oct 21, 6:40 AM CDTTornado WarningMEGShelby20 min
Oct 21, 7:00 AM CDTSevere Thunderstorm WarningMEGCrockett, Dyer, Gibson, Haywood, Lake, Lauderdale and 3 more45 min
Oct 21, 7:01 AM CDTSevere Thunderstorm WarningMEGFayette, Hardeman, Haywood, Lauderdale, Madison, Shelby and 1 more44 min
Oct 21, 7:55 AM CDTSpecial Weather StatementMEGBenton, Carroll, Gibson, Henry, Weakley50 min

Nearby

Tornado Warnings in Tennessee, 2019Every tornado warning in 2019Tornadoes in 2019

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.