Alert archive / Tennessee / Tornado Warnings in 2012

Tornado Warning 43, NWS Nashville, TN

March 2, 2012Giles County, Lawrence County, Wayne County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 2, 2012, 6:24 PM CST for Giles County, Lawrence County, Wayne County, Tennessee. It was in force for 18 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
Mar 2, 2012, 6:24 PM CST (00:24 UTC)
Expired
Mar 2, 2012, 6:42 PM CST
In force
18 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Giles County, TN, Lawrence County, TN, Wayne County, TN

The radar

The Northeast Alabama radar (KHTX), 132 km from the middle of the area, began a volume at 00:23 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
Mar 2, 1:20 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.4 hours before the alert went out and 135 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 2012-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 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 2012-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.1939587897117136Sfc1 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
262 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1382 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

058 
WFUS54 KOHX 030024
TOROHX
TNC055-099-181-030100-
/O.NEW.KOHX.TO.W.0043.120303T0024Z-120303T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
624 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN GILES COUNTY IN MIDDLE TENNESSEE...
  LAWRENCE COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN WAYNE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 700 PM CST

* AT 619 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 10 MILES SOUTHWEST OF COLLINWOOD...OR 20 MILES
  SOUTH OF WAYNESBORO...AND MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAWRENCEBURG...COLLINWOOD...LORETTO...IRON CITY...ST. JOSEPH...
  ETHRIDGE AND MINOR HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3500 8790 3515 8791 3543 8720 3543 8718
      3499 8695
TIME...MOT...LOC 0024Z 256DEG 53KT 3506 8773

$$

13
1 follow-up statement
728 
WWUS54 KOHX 030042
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
642 PM CST FRI MAR 2 2012

TNC055-099-181-030052-
/O.CAN.KOHX.TO.W.0043.000000T0000Z-120303T0100Z/
WAYNE TN-GILES TN-LAWRENCE TN-
642 PM CST FRI MAR 2 2012

...THE TORNADO WARNING FOR LAWRENCE...WESTERN GILES AND SOUTHERN
WAYNE COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 3500 8790 3515 8791 3543 8720 3543 8718
      3499 8695
TIME...MOT...LOC 0042Z 256DEG 53KT 3512 8741

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:05 PM CSTSevere Thunderstorm WarningOHXLawrence, Wayne25 min
Mar 2, 6:08 PM CSTSevere Thunderstorm WarningOHXBedford, Cannon, Coffee37 min
Mar 2, 6:15 PM CSTTornado WarningOHXCoffee, Warren30 min
Mar 2, 6:21 PM CSTTornado WarningOHXBedford, Giles, Marshall, Maury24 min
Mar 2, 6:36 PM CSTSevere Thunderstorm WarningOHXBedford, Cannon, Coffee, DeKalb, Rutherford, Warren24 min
Mar 2, 6:36 PM CSTTornado WarningOHXBedford, Marshall24 min
Mar 2, 6:41 PM CSTTornado WarningOHXVan Buren, Warren34 min
Mar 2, 6:56 PM CSTSevere Thunderstorm WarningOHXVan Buren, White34 min
Mar 2, 6:57 PM CSTSevere Thunderstorm WarningOHXBedford, Coffee33 min
Mar 2, 7:09 PM CSTTornado WarningOHXVan Buren21 min
Mar 2, 7:15 PM CSTSevere Thunderstorm WarningOHXCumberland30 min
Mar 2, 7:22 PM CSTTornado WarningOHXCumberland38 min

Nearby

Tornado Warnings in Tennessee, 2012Every tornado warning in 2012Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.