Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 5, NWS Memphis, TN

March 9, 20174 counties in Tennessee

NWS Memphis, TN issued this tornado warning at Mar 9, 2017, 10:06 PM CST for 4 counties in Tennessee. It was in force for 24 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
Mar 9, 2017, 10:06 PM CST (04:06 UTC)
Expired
Mar 9, 2017, 10:30 PM CST
In force
24 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Benton County, TN, Carroll County, TN, Decatur County, TN, Henderson County, TN

The radar

The Ft Campbell radar (KHPX), 119 km from the middle of the area, began a volume at 04:07 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
Mar 9, 10:15 PM CSTTSTM WND DMG10 Ssw Camden, TNTREES DOWN ON NATCHEZ PARKWAY.

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
Mar 9, 6:42 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.1 hours before the alert went out and 132 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 2017-03-10Temperature 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, Nashville Metro, TN at 00:00Z on 2017-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2824 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

377 
WFUS54 KMEG 100406
TORMEG
TNC005-017-039-077-100430-
/O.NEW.KMEG.TO.W.0005.170310T0406Z-170310T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1006 PM CST THU MAR 9 2017

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northeastern Henderson County in western Tennessee...
  Southern Benton County in western Tennessee...
  Southeastern Carroll County in western Tennessee...
  Northeastern Decatur County in western Tennessee...

* Until 1030 PM CST
    
* At 1005 PM CST, a severe thunderstorm producing a tornado was
  located 11 miles northeast of Natchez Trace State Park, moving east
  at 55 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 tornadic thunderstorm will remain over mainly rural areas of
  northeastern Henderson...southern Benton...southeastern Carroll and
  northeastern Decatur Counties, including the following locations:
  Jeannette, Holladay, Cozette, Dollar, I-40 Near The Tennessee River
  and Sugar Tree.

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 3587 8794 3583 8797 3578 8798 3575 8800
      3573 8803 3571 8803 3576 8833 3598 8826
      3595 8802 3594 8800 3594 8793 3593 8793
TIME...MOT...LOC 0405Z 279DEG 49KT 3585 8810 

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

$$
2 follow-up statements
869 
WWUS54 KMEG 100415
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1015 PM CST THU MAR 9 2017

TNC017-077-100425-
/O.CAN.KMEG.TO.W.0005.000000T0000Z-170310T0430Z/
Henderson TN-Carroll TN-
1015 PM CST THU MAR 9 2017

...THE TORNADO WARNING FOR NORTHEASTERN HENDERSON AND SOUTHEASTERN
CARROLL COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until midnight CST for
western Tennessee.

LAT...LON 3578 8798 3575 8800 3573 8803 3571 8803
      3573 8811 3595 8808 3595 8802 3594 8800
      3594 8793 3593 8793 3587 8794 3583 8797
TIME...MOT...LOC 0415Z 276DEG 45KT 3585 8802 

$$

TNC005-039-100430-
/O.CON.KMEG.TO.W.0005.000000T0000Z-170310T0430Z/
Benton TN-Decatur TN-
1015 PM CST THU MAR 9 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CST FOR
SOUTHEASTERN BENTON AND NORTHEASTERN DECATUR COUNTIES...
    
At 1015 PM CST, a severe thunderstorm producing a tornado was located
12 miles south of New Johnsonville, or 15 miles northeast of Natchez
Trace State Park, 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...
Cozette, I-40 Near The Tennessee River and Sugar Tree. 

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 3578 8798 3575 8800 3573 8803 3571 8803
      3573 8811 3595 8808 3595 8802 3594 8800
      3594 8793 3593 8793 3587 8794 3583 8797
TIME...MOT...LOC 0415Z 276DEG 45KT 3585 8802 

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

$$
475 
WWUS54 KMEG 100426
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1026 PM CST THU MAR 9 2017

TNC005-039-100436-
/O.EXP.KMEG.TO.W.0005.000000T0000Z-170310T0430Z/
Benton TN-Decatur TN-
1026 PM CST THU MAR 9 2017

...THE TORNADO WARNING FOR SOUTHEASTERN BENTON AND NORTHEASTERN
DECATUR COUNTIES WILL EXPIRE AT 1030 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until midnight CST for
western Tennessee.

LAT...LON 3578 8798 3575 8800 3573 8803 3571 8803
      3573 8811 3595 8808 3595 8802 3594 8800
      3594 8793 3593 8793 3587 8794 3583 8797
TIME...MOT...LOC 0426Z 279DEG 49KT 3583 8785 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 8:00 PM CSTSevere Thunderstorm WarningMEGLake, Obion45 min
Mar 9, 8:34 PM CSTSevere Thunderstorm WarningMEGDyer, Lake41 min
Mar 9, 8:45 PM CSTSevere Thunderstorm WarningMEGGibson, Obion, Weakley45 min
Mar 9, 8:52 PM CSTSevere Thunderstorm WarningMEGObion23 min
Mar 9, 9:10 PM CSTSevere Thunderstorm WarningMEGHenry50 min
Mar 9, 9:29 PM CSTSevere Thunderstorm WarningMEGCarroll, Gibson, Henderson, Madison, Weakley61 min
Mar 9, 9:32 PM CSTSevere Thunderstorm WarningMEGHenderson, Madison43 min
Mar 9, 9:37 PM CSTSevere Thunderstorm WarningMEGBenton38 min
Mar 9, 9:57 PM CSTSevere Thunderstorm WarningMEGHenderson34 min
Mar 9, 10:00 PM CSTSevere Thunderstorm WarningMEGDecatur45 min
Mar 9, 10:07 PM CSTTornado WarningMEGHenderson21 min
Mar 9, 10:16 PM CSTSevere Thunderstorm WarningMEGLauderdale, Tipton44 min
Mar 9, 10:19 PM CSTTornado WarningMEGDecatur26 min
Mar 9, 10:34 PM CSTSevere Thunderstorm WarningMEGChester, Decatur, Hardin, Henderson, McNairy, Madison41 min
Mar 9, 10:41 PM CSTFlash Flood WarningMEGChester, Crockett, Haywood, Henderson, Madison3 hr
Mar 9, 11:19 PM CSTSpecial Weather StatementMEGShelby26 min
Mar 9, 11:26 PM CSTSevere Thunderstorm WarningMEGShelby34 min
Mar 9, 11:46 PM CSTSevere Thunderstorm WarningMEGFayette, Shelby44 min
Mar 10, 3:30 AM CSTFrost AdvisoryMEGFayette, Hardeman, Hardin, Haywood, Lauderdale, McNairy and 2 more25 hr
Mar 10, 3:30 AM CSTFreeze WarningMEGBenton, Carroll, Chester, Crockett, Decatur, Dyer and 7 more25 hr
Mar 10, 5:43 AM CSTRiver Flood WarningMEGCrockett, Dyer, Lauderdale6 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.