Alert archive / Tennessee / Tornado Warnings in 2012

Tornado Warning 41, NWS Nashville, TN

March 2, 2012Coffee County, Warren County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 2, 2012, 6:15 PM CST for Coffee County, Warren County, Tennessee. It was in force for 30 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 2, 2012, 6:15 PM CST (00:15 UTC)
Expired
Mar 2, 2012, 6:45 PM CST
In force
30 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Coffee County, TN, Warren County, TN

The radar

The Northeast Alabama radar (KHTX), 69 km from the middle of the area, began a volume at 00:19 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 2, 6:25 PM CSTHAIL 111 Nw Manchester, TNQUARTER SIZE HAIL REPORTED 6ENE WARTRACE.

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 2, 1:20 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.3 hours before the alert went out and 80 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.

571 
WFUS54 KOHX 030015
TOROHX
TNC031-177-030045-
/O.NEW.KOHX.TO.W.0041.120303T0015Z-120303T0045Z/

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN COFFEE COUNTY IN MIDDLE TENNESSEE...
  SOUTHWESTERN WARREN COUNTY IN MIDDLE TENNESSEE...

* UNTIL 645 PM CST

* AT 612 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES NORTHWEST OF MANCHESTER...AND MOVING EAST
  AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MCMINNVILLE AND MORRISON.

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 3548 8625 3560 8624 3572 8576 3558 8570
      3546 8624
TIME...MOT...LOC 0015Z 250DEG 46KT 3556 8614

$$

04
1 follow-up statement
831 
WWUS54 KOHX 030033
SVSOHX

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

TNC031-030042-
/O.CAN.KOHX.TO.W.0041.000000T0000Z-120303T0045Z/
COFFEE TN-
633 PM CST FRI MAR 2 2012

...THE TORNADO WARNING FOR NORTHERN COFFEE COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3555 8591 3555 8592 3558 8595 3559 8596
      3561 8595 3566 8599 3572 8576 3558 8570
      3554 8590
TIME...MOT...LOC 0032Z 250DEG 46KT 3563 8589

$$

TNC177-030045-
/O.CON.KOHX.TO.W.0041.000000T0000Z-120303T0045Z/
WARREN TN-
633 PM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN WARREN COUNTY
UNTIL 645 PM CST...

AT 628 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 11 MILES SOUTHWEST OF MCMINNVILLE...MOVING EAST AT
55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MCMINNVILLE.

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 3555 8591 3555 8592 3558 8595 3559 8596
      3561 8595 3566 8599 3572 8576 3558 8570
      3554 8590
TIME...MOT...LOC 0032Z 250DEG 46KT 3563 8589

$$

04

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, 6:21 PM CSTTornado WarningOHXBedford, Giles, Marshall, Maury24 min
Mar 2, 6:24 PM CSTTornado WarningOHXGiles, Lawrence, Wayne18 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.