Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 6, NWS Memphis, TN

March 9, 2017Henderson County, Tennessee

NWS Memphis, TN issued this tornado warning at Mar 9, 2017, 10:07 PM CST for Henderson County, Tennessee. It was in force for 21 min. 4 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
Mar 9, 2017, 10:07 PM CST (04:07 UTC)
Expired
Mar 9, 2017, 10:28 PM CST
In force
21 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

County Henderson County, TN

The radar

The Memphis radar (KNQA), 144 km from the middle of the area, began a volume at 04:08 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
Mar 9, 10:10 PM CSTHAIL 1Lexington, TN
Mar 9, 10:15 PM CSTHAIL 1.5Lexington, TN
Mar 9, 10:21 PM CSTHAIL 11 Nw Huron, TNONE INCH HAIL IN LURAY.
Mar 9, 10:30 PM CSTHAIL 1Lexington, TNTWO ROUNDS OF HAIL ENDED UP LEAVING 2 TO 3 INCH DEPTH OVER ROADS IN LEXINGTON ESPECIALLY EAST CHURCH STREET AND THE MAIN ROAD OUT OF LEXINGTON.

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 166 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.

947 
WFUS54 KMEG 100407
TORMEG
TNC077-100500-
/O.NEW.KMEG.TO.W.0006.170310T0407Z-170310T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1007 PM CST THU MAR 9 2017

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Central Henderson County in western Tennessee...

* Until 1100 PM CST
    
* At 1007 PM CST, a severe thunderstorm producing a tornado was
  located near Blue Goose, or near Lexington, moving east at 55 mph.

  HAZARD...Tornado and golf ball size hail. 

  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...
  Darden around 1025 PM CST. 

Other locations impacted by this tornadic thunderstorm include Huron,
Warrens Bluff, Russell Crossroads, Rock Hill, Palestine, Juno, Sand
Ridge, Hinson Springs, Taylors Crossing and White Fern.

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 3556 8822 3555 8822 3555 8823 3552 8825
      3558 8856 3559 8857 3559 8860 3569 8860
      3571 8819 3563 8819 3563 8820 3562 8819
      3561 8819
TIME...MOT...LOC 0407Z 274DEG 49KT 3564 8851 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
2 follow-up statements
440 
WWUS54 KMEG 100417
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1017 PM CST THU MAR 9 2017

TNC077-100500-
/O.CON.KMEG.TO.W.0006.000000T0000Z-170310T0500Z/
Henderson TN-
1017 PM CST THU MAR 9 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CST FOR EAST
CENTRAL HENDERSON COUNTY...
    
At 1017 PM CST, a severe thunderstorm producing a tornado was located
over Darden, or 8 miles south of Natchez Trace State Forest, moving
east at 80 mph.

HAZARD...Tornado and golf ball size hail. 

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
east central Henderson County, including the following locations:
Rock Hill, Warrens Bluff and Chesterfield.

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 3556 8822 3555 8822 3555 8824 3558 8837
      3570 8836 3571 8819 3563 8819 3563 8820
      3562 8819 3561 8819
TIME...MOT...LOC 0417Z 274DEG 71KT 3562 8824 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
900 
WWUS54 KMEG 100428
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1028 PM CST THU MAR 9 2017

TNC077-100438-
/O.CAN.KMEG.TO.W.0006.000000T0000Z-170310T0500Z/
Henderson TN-
1028 PM CST THU MAR 9 2017

...THE TORNADO WARNING FOR EAST CENTRAL HENDERSON COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

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

LAT...LON 3556 8822 3555 8822 3555 8824 3558 8837
      3570 8836 3571 8819 3563 8819 3563 8820
      3562 8819 3561 8819
TIME...MOT...LOC 0427Z 274DEG 49KT 3561 8804 

$$

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, 10:06 PM CSTTornado WarningMEGBenton, Carroll, Decatur, Henderson24 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.