Alert archive / Tennessee / Tornado Warnings in 2012

Tornado Warning 11, NWS Morristown, TN

March 2, 2012Bledsoe County, Sequatchie County, Tennessee

NWS Morristown, TN issued this tornado warning at Mar 2, 2012, 10:25 AM CST for Bledsoe County, Sequatchie County, Tennessee. It was in force for 35 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, 10:25 AM CST (16:25 UTC)
Expired
Mar 2, 2012, 11:00 AM CST
In force
35 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon

Counties Bledsoe County, TN, Sequatchie County, TN

The radar

The Northeast Alabama radar (KHTX), 98 km from the middle of the area, began a volume at 16:26 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, 9:25 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 4.4 hours before the alert went out and 128 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 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1667 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 12:00Z on 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 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
1667 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

463 
WFUS54 KMRX 021625
TORMRX
TNC007-153-021700-
/O.NEW.KMRX.TO.W.0011.120302T1625Z-120302T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
1025 AM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  BLEDSOE COUNTY IN EAST TENNESSEE...
  SEQUATCHIE COUNTY IN EAST TENNESSEE...

* UNTIL 1100 AM CST

* AT 1021 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES NORTH OF
  GRUETLI-LAAGER...OR 17 MILES WEST OF DUNLAP. DOPPLER RADAR SHOWED
  THIS TORNADO MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  PIKEVILLE...CAGLE...OLD CUMBERLAND...PALIO...MOUNT CREST AND
  MELVINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR CENTRAL TENNESSEE.

&&

LAT...LON 3555 8546 3557 8543 3572 8527 3578 8515
      3578 8504 3576 8503 3577 8492 3548 8522
      3538 8550 3540 8550 3543 8555 3549 8555
      3552 8560 3554 8560
TIME...MOT...LOC 1625Z 243DEG 51KT 3548 8560

$$
1 follow-up statement
642 
WWUS54 KMRX 021634
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1034 AM CST FRI MAR 2 2012

TNC007-153-021700-
/O.CON.KMRX.TO.W.0011.000000T0000Z-120302T1700Z/
SEQUATCHIE TN-BLEDSOE TN-
1034 AM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CST FOR BLEDSOE
AND SEQUATCHIE COUNTIES...

AT 1031 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CAGLE...OR 12
MILES NORTHWEST OF DUNLAP...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  PIKEVILLE...OLD CUMBERLAND...PALIO...MOUNT CREST AND MELVINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR CENTRAL TENNESSEE.

&&

LAT...LON 3555 8546 3557 8543 3572 8527 3578 8515
      3578 8504 3576 8503 3577 8492 3548 8522
      3538 8550 3540 8550 3543 8555 3549 8555
      3552 8560 3554 8560
TIME...MOT...LOC 1634Z 243DEG 51KT 3554 8546

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 2:00 AM CSTWind AdvisoryMRXBlount, Carter, Cocke, Greene, Johnson, Sevier and 1 more21 hr
Mar 2, 9:58 AM CSTSevere Thunderstorm WarningMRXHawkins, Sullivan32 min
Mar 2, 9:59 AM CSTFlood WatchMRXAnderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more14 hr
Mar 2, 10:31 AM CSTTornado WarningMRXMarion44 min
Mar 2, 10:39 AM CSTTornado WarningMRXMorgan22 min
Mar 2, 10:49 AM CSTTornado WarningMRXHamilton, Marion41 min
Mar 2, 10:55 AM CSTTornado WarningMRXCampbell, Morgan, Scott35 min
Mar 2, 10:57 AM CSTTornado WarningMRXBledsoe, Rhea33 min
Mar 2, 11:16 AM CSTTornado WarningMRXHamilton, Marion, Sequatchie44 min
Mar 2, 11:25 AM CSTTornado WarningMRXClaiborne, Hancock35 min
Mar 2, 11:29 AM CSTTornado WarningMRXCampbell, Claiborne31 min
Mar 2, 11:30 AM CSTTornado WarningMRXLoudon, Meigs, Rhea, Roane30 min
Mar 2, 11:44 AM CSTSevere Thunderstorm WarningMRXHamilton, Meigs, Rhea31 min
Mar 2, 11:50 AM CSTTornado WarningMRXBradley, Hamilton, McMinn, Polk25 min
Mar 2, 12:04 PM CSTSevere Thunderstorm WarningMRXBlount, Knox41 min
Mar 2, 12:19 PM CSTTornado WarningMRXKnox, Sevier26 min
Mar 2, 12:23 PM CSTTornado WarningMRXBradley, McMinn, Monroe, Polk37 min
Mar 2, 12:39 PM CSTTornado WarningMRXCocke, Grainger, Hamblen, Jefferson, Knox, Sevier36 min
Mar 2, 12:49 PM CSTTornado WarningMRXBlount, Monroe41 min
Mar 2, 1:13 PM CSTSevere Thunderstorm WarningMRXBlount, Monroe47 min
Mar 2, 2:34 PM CSTTornado WarningMRXBledsoe, Marion, Sequatchie41 min
Mar 2, 2:59 PM CSTSevere Thunderstorm WarningMRXLoudon, McMinn, Monroe, Roane46 min
Mar 2, 3:14 PM CSTSevere Thunderstorm WarningMRXBledsoe, Meigs, Rhea46 min
Mar 2, 3:24 PM CSTTornado WarningMRXMarion, Sequatchie51 min
Mar 2, 3:55 PM CSTSevere Thunderstorm WarningMRXLoudon, Roane50 min
Mar 2, 4:24 PM CSTSevere Thunderstorm WarningMRXScott36 min
Mar 2, 4:29 PM CSTSevere Thunderstorm WarningMRXMarion46 min
Mar 2, 4:29 PM CSTTornado WarningMRXAnderson, Knox31 min
Mar 2, 4:33 PM CSTTornado WarningMRXBledsoe, Hamilton, Meigs, Rhea27 min
Mar 2, 4:38 PM CSTTornado WarningMRXScott37 min
Mar 2, 4:57 PM CSTSevere Thunderstorm WarningMRXMcMinn, Meigs, Rhea18 min
Mar 2, 4:57 PM CSTTornado WarningMRXCampbell, Claiborne, Scott33 min
Mar 2, 5:03 PM CSTSevere Thunderstorm WarningMRXHamilton, Marion42 min
Mar 2, 5:15 PM CSTSevere Thunderstorm WarningMRXLoudon, McMinn, Monroe45 min
Mar 2, 5:28 PM CSTTornado WarningMRXBradley, Hamilton47 min
Mar 2, 5:30 PM CSTTornado WarningMRXBlount, Loudon, McMinn, Monroe45 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.