Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 29, NWS Memphis, TN

May 27, 20174 counties in Tennessee

NWS Memphis, TN issued this tornado warning at May 27, 2017, 11:14 PM CDT for 4 counties in Tennessee. It was in force for 13 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 27, 2017, 11:14 PM CDT (04:14 UTC)
Expired
May 27, 2017, 11:27 PM CDT
In force
13 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Chester County, TN, Decatur County, TN, Hardin County, TN, Henderson County, TN

The radar

The Memphis radar (KNQA), 153 km from the middle of the area, began a volume at 04:18 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.

IssuedProductOfficeLasted
May 27, 9:59 PM CDTTornado WatchSPC2 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.2 hours before the alert went out and 164 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, Nashville Metro, TN at 00:00Z on 2017-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2109 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, Nashville Metro, TN at 00:00Z on 2017-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
2109 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
2.0
Supercell composite
12.3

Open this sounding in Storm Lab

The text

As transmitted.

281 
WFUS54 KMEG 280414
TORMEG
TNC023-039-071-077-280445-
/O.NEW.KMEG.TO.W.0029.170528T0414Z-170528T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1114 PM CDT SAT MAY 27 2017

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Southeastern Henderson County in western Tennessee...
  Northern Hardin County in western Tennessee...
  East central Chester County in western Tennessee...
  Southern Decatur County in western Tennessee...

* Until 1145 PM CDT
    
* At 1114 PM CDT, a severe thunderstorm producing a tornado was
  located near Jacks Creek, or 12 miles east of Henderson, 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. 

* This dangerous storm will be near...
  Sardis around 1125 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Thurman, Saltillo, Lick Skillet, Gumdale, Montgomery, Haney, Hinkle,
Roby, Bath Springs and Five Forks.

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 3539 8798 3539 8803 3536 8801 3531 8802
      3534 8837 3538 8836 3537 8838 3538 8846
      3537 8847 3537 8850 3539 8851 3539 8853
      3555 8844 3554 8799 3552 8797 3548 8799
      3547 8802 3545 8804 3542 8803 3541 8797
TIME...MOT...LOC 0414Z 292DEG 45KT 3545 8843 

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

$$
1 follow-up statement
446 
WWUS54 KMEG 280427
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1127 PM CDT SAT MAY 27 2017

TNC023-039-071-077-280436-
/O.CAN.KMEG.TO.W.0029.000000T0000Z-170528T0445Z/
Henderson TN-Hardin TN-Chester TN-Decatur TN-
1127 PM CDT SAT MAY 27 2017

...THE TORNADO WARNING FOR SOUTHEASTERN HENDERSON...NORTHERN
HARDIN...EAST CENTRAL CHESTER AND SOUTHERN DECATUR COUNTIES IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and is no longer producing a tornado. Therefore, the warning
has been cancelled.

A tornado watch remains in effect until 500 AM CDT for western
Tennessee.

Remember, a Severe Thunderstorm Warning still remains in effect for 
Chester...Hardin...Henderson...and Decatur counties until 12:15am.

LAT...LON 3539 8798 3539 8803 3536 8801 3531 8802
      3534 8837 3538 8836 3537 8838 3538 8846
      3537 8847 3537 8850 3539 8851 3539 8853
      3555 8844 3554 8799 3552 8797 3548 8799
      3547 8802 3545 8804 3542 8803 3541 8797
TIME...MOT...LOC 0423Z 292DEG 45KT 3539 8825 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 7:03 PM CDTSevere Thunderstorm WarningMEGCarroll, Henry, Obion, Weakley42 min
May 27, 7:18 PM CDTSevere Thunderstorm WarningMEGBenton, Carroll, Gibson, Henry, Obion, Weakley42 min
May 27, 7:39 PM CDTSevere Thunderstorm WarningMEGCrockett, Dyer, Gibson, Madison18 min
May 27, 7:53 PM CDTSevere Thunderstorm WarningMEGDecatur, Henderson52 min
May 27, 8:00 PM CDTSevere Thunderstorm WarningMEGCrockett, Dyer, Gibson, Lauderdale24 min
May 27, 9:14 PM CDTSevere Thunderstorm WarningMEGCarroll, Gibson, Henderson, Madison18 min
May 27, 9:55 PM CDTSevere Thunderstorm WarningMEGDyer, Lake, Lauderdale, Obion50 min
May 27, 9:58 PM CDTSevere Thunderstorm WarningMEGLauderdale47 min
May 27, 10:00 PM CDTSevere Thunderstorm WarningMEGCrockett, Dyer, Gibson, Haywood, Lauderdale, Madison45 min
May 27, 10:23 PM CDTSevere Thunderstorm WarningMEGDyer, Gibson, Obion, Weakley35 min
May 27, 10:29 PM CDTSevere Thunderstorm WarningMEGFayette, Haywood, Lauderdale, Shelby, Tipton46 min
May 27, 10:34 PM CDTTornado WarningMEGHenry, Weakley11 min
May 27, 10:38 PM CDTSevere Thunderstorm WarningMEGCarroll, Crockett, Dyer, Gibson, Haywood, Lauderdale and 1 more52 min
May 27, 10:49 PM CDTSevere Thunderstorm WarningMEGChester, Decatur, Hardin, Henderson, McNairy, Madison41 min
May 27, 10:51 PM CDTSevere Thunderstorm WarningMEGFayette, Hardeman, Haywood, Madison, Shelby54 min
May 27, 11:23 PM CDTSevere Thunderstorm WarningMEGChester, Decatur, Hardeman, Hardin, Henderson, McNairy and 1 more52 min
May 27, 11:41 PM CDTSevere Thunderstorm WarningMEGFayette, Hardeman36 min
May 28, 12:07 AM CDTSpecial Weather StatementMEGHardin, McNairy38 min

Nearby

Tornado Warnings in Tennessee, 2017Every tornado warning in 2017Tornadoes in 2017

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.