Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 24, NWS Nashville, TN

March 23, 2011Cumberland County, White County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 23, 2011, 7:09 PM CDT for Cumberland County, White County, Tennessee. It was in force for 36 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 23, 2011, 7:09 PM CDT (00:09 UTC)
Expired
Mar 23, 2011, 7:45 PM CDT
In force
36 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Cumberland County, TN, White County, TN

The radar

The Nashville radar (KOHX), 132 km from the middle of the area, began a volume at 00:13 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 23, 7:15 PM CDTFUNNEL CLOUD5 E Sparta, TNTRAINED SPOTTER REPORTED FUNNEL CLOUD 5M E OF SPARTA.

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 23, 4:06 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.2 hours before the alert went out and 132 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 2011-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 239 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 2011-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
239 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
900 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

572 
WFUS54 KOHX 240009
TOROHX
TNC035-185-240045-
/O.NEW.KOHX.TO.W.0024.110324T0009Z-110324T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
709 PM CDT WED MAR 23 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CUMBERLAND COUNTY IN MIDDLE TENNESSEE...
  EASTERN WHITE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 745 PM CDT

* AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A CONFIRMED TORNADO NEAR SPARTA. DOPPLER RADAR SHOWED THIS TORNADO
  MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CROSSVILLE...PLEASANT HILL 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 3578 8486 3575 8502 3577 8504 3577 8513
      3580 8527 3583 8527 3581 8531 3587 8554
      3604 8549 3601 8531 3599 8527 3600 8525
      3592 8481
TIME...MOT...LOC 0009Z 284DEG 43KT 3593 8540

$$

ROSE
2 follow-up statements
626 
WWUS54 KOHX 240017
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
717 PM CDT WED MAR 23 2011

TNC035-185-240045-
/O.CON.KOHX.TO.W.0024.000000T0000Z-110324T0045Z/
WHITE TN-CUMBERLAND TN-
717 PM CDT WED MAR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN CUMBERLAND AND
EASTERN WHITE COUNTIES UNTIL 745 PM CDT...

AT 713 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO.  THIS TORNADO WAS LOCATED 7 MILES EAST OF
SPARTA...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  CROSSVILLE...PLEASANT HILL 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 3581 8485 3580 8485 3577 8489 3575 8502
      3577 8504 3576 8509 3580 8527 3583 8527
      3581 8531 3584 8543 3602 8538 3599 8527
      3600 8525 3592 8481
TIME...MOT...LOC 0017Z 282DEG 43KT 3591 8529

$$

ROSE
548 
WWUS54 KOHX 240027
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
727 PM CDT WED MAR 23 2011

TNC035-185-240045-
/O.CON.KOHX.TO.W.0024.000000T0000Z-110324T0045Z/
WHITE TN-CUMBERLAND TN-
727 PM CDT WED MAR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN CUMBERLAND AND
SOUTHEASTERN WHITE COUNTIES UNTIL 745 PM CDT...

AT 721 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO. THIS TORNADO WAS LOCATED 12 MILES EAST OF 
SPARTA...MOVING EAST AT 45 MPH. MAJOR STRUCTURAL DAMAGE AND SEVERAL 
INJURIES HAVE ALREADY BEEN REPORTED NEAR SPARTA AS A RESULT OF THIS 
STORM.

THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN WHITE AND
SOUTHERN CUMBERLAND COUNTIES NEAR PLEASANT HILL AND SOUTH OF 
CROSSVILLE. LAKE TANSI VILLAGE IS IN THE PATH OF THIS TORNADO.

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 3582 8485 3580 8485 3577 8489 3575 8502
      3577 8504 3577 8516 3578 8516 3580 8526
      3583 8527 3581 8532 3582 8537 3583 8538
      3600 8531 3589 8482
TIME...MOT...LOC 0024Z 288DEG 40KT 3588 8523

$$

ROSE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 7:03 PM CDTTornado WarningOHXBedford, Marshall27 min
Mar 23, 7:19 PM CDTTornado WarningOHXGiles26 min
Mar 23, 7:29 PM CDTSevere Thunderstorm WarningOHXBedford, Coffee31 min
Mar 23, 7:32 PM CDTTornado WarningOHXBedford, Coffee32 min
Mar 23, 7:38 PM CDTTornado WarningOHXCumberland22 min

Nearby

Tornado Warnings in Tennessee, 2011Every tornado warning in 2011Tornadoes in 2011

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.