Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 3, NWS Memphis, TN

January 17, 20124 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jan 17, 2012, 11:34 AM CST for 4 counties in Tennessee. It was in force for 41 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
Jan 17, 2012, 11:34 AM CST (17:34 UTC)
Expired
Jan 17, 2012, 12:15 PM CST
In force
41 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Carroll County, TN, Decatur County, TN, Henderson County, TN, Madison County, TN

What was reported inside it

TimeReportWhereRemark
Jan 17, 11:35 AM CSTTSTM WND GST 60Cedar Grove, TNTRAINED SPOTTER DRIVING ON HWY 70 REPORTED HIS CAR WAS BLOWN TO THE OTHER LANE BY A STRONG GUST. PEA SIZED HAIL AND TORRENTIAL RAIN ALSO HAPPENED AT SAME TIME.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.6 hours before the alert went out and 144 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 12:00Z on 2012-01-17Temperature 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 12:00Z on 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 587 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
608 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
587 m²/s²
0-3 km storm-relative helicity
687 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

019 
WUUS54 KMEG 171734
SVRMEG
TNC017-039-077-113-171815-
/O.NEW.KMEG.SV.W.0003.120117T1734Z-120117T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1134 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DECATUR COUNTY IN TENNESSEE...
  SOUTHERN CARROLL COUNTY IN NORTHWEST TENNESSEE...
  NORTHERN HENDERSON COUNTY IN SOUTHWEST TENNESSEE...
  NORTHEASTERN MADISON COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 1215 PM CST

* AT 1134 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 12 MILES
  NORTHWEST OF BARGERTON...OR 8 MILES SOUTHEAST OF MILAN...AND MOVING
  EAST AT 60 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BARGERTON...WILDERSVILLE...NATCHEZ TRACE STATE FOREST AND NATCHEZ
  TRACE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3576 8799 3572 8803 3570 8803 3573 8873
      3592 8870 3592 8821 3585 8820 3585 8805
      3584 8802 3582 8802 3582 8797 3581 8796
TIME...MOT...LOC 1734Z 271DEG 52KT 3582 8866

$$

BORGHOFF
3 follow-up statements
499 
WWUS54 KMEG 171745
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1145 AM CST TUE JAN 17 2012

TNC017-039-077-113-171815-
/O.CON.KMEG.SV.W.0003.000000T0000Z-120117T1815Z/
CARROLL TN-DECATUR TN-HENDERSON TN-MADISON TN-
1145 AM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CST
FOR NORTHEASTERN MADISON...NORTHERN HENDERSON...NORTHERN DECATUR AND
SOUTHERN CARROLL COUNTIES...

AT 1144 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
MOUNT GILEAD...OR 13 MILES NORTHWEST OF LEXINGTON...MOVING EAST AT 60
MPH.

AT 1135 AM...A DRIVER ON THE CARROLL/MADISON COUNTY LINE REPORTED 
THE WIND CAUSED HIS CAR TO BE BLOWN INTO ANOTHER LANE. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BARGERTON...
CEDAR GROVE...CLARKSBURG...PARKER'S CROSS ROADS...WILDERSVILLE...
DOLLAR...WESTPORT...YUMA...SCOTT HILL...JUMBO...HOWLEY...HICKORY
FLAT...SUGAR TREE AND COZETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3576 8799 3572 8803 3570 8803 3573 8868
      3583 8858 3592 8857 3592 8821 3585 8820
      3585 8805 3584 8802 3582 8802 3582 8797
      3581 8796
TIME...MOT...LOC 1744Z 269DEG 51KT 3581 8849

$$

BORGHOFF
887 
WWUS54 KMEG 171756
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1156 AM CST TUE JAN 17 2012

TNC113-171807-
/O.CAN.KMEG.SV.W.0003.000000T0000Z-120117T1815Z/
MADISON TN-
1156 AM CST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MADISON COUNTY IS
CANCELLED...

AT 1157 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.

LAT...LON 3576 8799 3572 8803 3570 8803 3573 8859
      3582 8845 3588 8839 3587 8820 3585 8820
      3585 8805 3584 8802 3582 8802 3582 8797
      3581 8796
TIME...MOT...LOC 1757Z 274DEG 38KT 3583 8829 3571 8848

$$

TNC017-039-077-171815-
/O.CON.KMEG.SV.W.0003.000000T0000Z-120117T1815Z/
CARROLL TN-DECATUR TN-HENDERSON TN-
1156 AM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CST
FOR NORTHERN HENDERSON...NORTHERN DECATUR AND SOUTHEASTERN CARROLL
COUNTIES...

AT 1157 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM YUMA TO CEDAR GROVE...OR ALONG A
LINE EXTENDING FROM 7 MILES NORTHWEST OF NATCHEZ TRACE STATE PARK TO
9 MILES NORTHWEST OF LEXINGTON...MOVING EAST AT 45 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BARGERTON...
CEDAR GROVE...CLARKSBURG...PARKER'S CROSS ROADS...WILDERSVILLE...
YUMA...SUGAR TREE...COZETTE...JEANNETTE...BIBLE HILL...UNION CROSS...
NATCHEZ TRACE STATE FOREST AND NATCHEZ TRACE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3576 8799 3572 8803 3570 8803 3573 8859
      3582 8845 3588 8839 3587 8820 3585 8820
      3585 8805 3584 8802 3582 8802 3582 8797
      3581 8796
TIME...MOT...LOC 1757Z 274DEG 38KT 3583 8829 3571 8848

$$

BORGHOFF
981 
WWUS54 KMEG 171806
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1206 PM CST TUE JAN 17 2012

TNC017-171816-
/O.CAN.KMEG.SV.W.0003.000000T0000Z-120117T1815Z/
CARROLL TN-
1206 PM CST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARROLL COUNTY IS
CANCELLED...

AT 1206 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.

LAT...LON 3572 8803 3570 8803 3573 8845 3582 8830
      3581 8818 3584 8818 3585 8805 3584 8802
      3582 8802 3582 8797 3581 8796
TIME...MOT...LOC 1806Z 272DEG 43KT 3582 8812 3570 8831

$$

TNC039-077-171815-
/O.CON.KMEG.SV.W.0003.000000T0000Z-120117T1815Z/
DECATUR TN-HENDERSON TN-
1206 PM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CST
FOR NORTHEASTERN HENDERSON AND NORTHERN DECATUR COUNTIES...

AT 1206 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM JEANNETTE TO 7 MILES WEST OF NATCHEZ TRACE STATE FOREST...OR
ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF NATCHEZ TRACE STATE
PARK TO LEXINGTON...MOVING EAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUGAR TREE...
COZETTE...JEANNETTE...NATCHEZ TRACE STATE FOREST AND NATCHEZ TRACE
STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3572 8803 3570 8803 3573 8845 3582 8830
      3581 8818 3584 8818 3585 8805 3584 8802
      3582 8802 3582 8797 3581 8796
TIME...MOT...LOC 1806Z 272DEG 43KT 3582 8812 3570 8831

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 11:34 PM CSTWind AdvisoryMEGLauderdale, Shelby, Tipton12 hr
Jan 17, 9:57 AM CSTSevere Thunderstorm WarningMEGDyer, Gibson, Lake, Obion, Weakley33 min
Jan 17, 10:45 AM CSTSevere Thunderstorm WarningMEGCarroll, Gibson, Henry, Weakley33 min
Jan 17, 12:56 PM CSTSpecial Weather StatementMEGHardeman34 min
Jan 17, 1:42 PM CSTSevere Thunderstorm WarningMEGHardin, McNairy24 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2012Every severe thunderstorm warning in 2012

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.