Alert archive / Tennessee / Tornado Warnings in 2012

Tornado Warning 11, NWS Nashville, TN

February 22, 20124 counties in Tennessee

NWS Nashville, TN issued this tornado warning at Feb 22, 2012, 5:47 PM CST for 4 counties in Tennessee. It was in force for 58 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
Feb 22, 2012, 5:47 PM CST (23:47 UTC)
Expired
Feb 22, 2012, 6:45 PM CST
In force
58 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Cumberland County, TN, Van Buren County, TN, Warren County, TN, White County, TN

The radar

The Northeast Alabama radar (KHTX), 133 km from the middle of the area, began a volume at 23:49 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
Feb 22, 6:24 PM CSTHAIL 0.8812 Ssw Crossville, TN

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, 11.8 hours before the alert went out and 139 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 2012-02-22Temperature 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 2012-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2212 m above ground
0-6 km bulk shear
91 kt
0-1 km storm-relative helicity
217 m²/s²
0-3 km storm-relative helicity
295 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.

800 
WFUS54 KOHX 222347
TOROHX
TNC035-175-177-185-230045-
/O.NEW.KOHX.TO.W.0011.120222T2347Z-120223T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
547 PM CST WED FEB 22 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CUMBERLAND COUNTY IN MIDDLE TENNESSEE...
  NORTHERN VAN BUREN COUNTY IN MIDDLE TENNESSEE...
  NORTHEASTERN WARREN COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN WHITE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 645 PM CST

* AT 541 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MCMINNVILLE...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPENCER...CROSSVILLE AND CRAB ORCHARD.

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 3584 8477 3577 8491 3576 8523 3575 8526
      3571 8575 3579 8577 3603 8475 3591 8470
TIME...MOT...LOC 2347Z 257DEG 46KT 3576 8564

$$

19
2 follow-up statements
680 
WWUS54 KOHX 222359
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
559 PM CST WED FEB 22 2012

TNC177-230007-
/O.CAN.KOHX.TO.W.0011.000000T0000Z-120223T0045Z/
WARREN TN-
559 PM CST WED FEB 22 2012

...THE TORNADO WARNING FOR NORTHEASTERN WARREN COUNTY IS CANCELLED...

THE STORM HAS MOVED OUT OF WARREN COUNTY.

LAT...LON 3584 8477 3577 8491 3576 8523 3575 8526
      3574 8554 3579 8555 3603 8475 3591 8470
TIME...MOT...LOC 2357Z 257DEG 46KT 3578 8548

$$

TNC035-175-185-230045-
/O.CON.KOHX.TO.W.0011.000000T0000Z-120223T0045Z/
VAN BUREN TN-WHITE TN-CUMBERLAND TN-
559 PM CST WED FEB 22 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN CUMBERLAND...
SOUTHEASTERN WHITE AND NORTHERN VAN BUREN COUNTIES UNTIL 645 PM
CST...

AT 554 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SPENCER...MOVING EAST AT 55 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN VAN
BUREN...SOUTHEASTERN WHITE AND SOUTHERN CUMBERLAND COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS CRAB ORCHARD.

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 3584 8477 3577 8491 3576 8523 3575 8526
      3574 8554 3579 8555 3603 8475 3591 8470
TIME...MOT...LOC 2357Z 257DEG 46KT 3578 8548

$$

19
966 
WWUS54 KOHX 230022
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
622 PM CST WED FEB 22 2012

TNC175-185-230031-
/O.CAN.KOHX.TO.W.0011.000000T0000Z-120223T0045Z/
VAN BUREN TN-WHITE TN-
622 PM CST WED FEB 22 2012

...THE TORNADO WARNING FOR SOUTHEASTERN WHITE AND NORTHERN VAN BUREN
COUNTIES IS CANCELLED...

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

LAT...LON 3584 8477 3577 8491 3576 8523 3577 8524
      3584 8523 3603 8475 3591 8470
TIME...MOT...LOC 0021Z 257DEG 46KT 3584 8511

$$

TNC035-230045-
/O.CON.KOHX.TO.W.0011.000000T0000Z-120223T0045Z/
CUMBERLAND TN-
622 PM CST WED FEB 22 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN CUMBERLAND COUNTY
UNTIL 645 PM CST...

AT 616 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 12 MILES SOUTHWEST OF CROSSVILLE...MOVING EAST AT
55 MPH. 

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHERN
CUMBERLAND COUNTY...INCLUDING THE FOLLOWING LOCATIONS CRAB ORCHARD.

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 3584 8477 3577 8491 3576 8523 3577 8524
      3584 8523 3603 8475 3591 8470
TIME...MOT...LOC 0021Z 257DEG 46KT 3584 8511

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 6:36 AM CSTSpecial Weather StatementOHXCheatham, Davidson24 min
Feb 22, 7:14 AM CSTSpecial Weather StatementOHXBedford, Cannon, Clay, Coffee, DeKalb, Jackson and 12 more61 min
Feb 22, 5:27 PM CSTSpecial Weather StatementOHXWarren48 min
Feb 22, 5:39 PM CSTSevere Thunderstorm WarningOHXCumberland, Van Buren, Warren, White51 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.