Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 20, NWS Nashville, TN

March 23, 2011Rutherford County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 23, 2011, 6:51 PM CDT for Rutherford County, Tennessee. It was in force for 24 min. 3 reports 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, 6:51 PM CDT (23:51 UTC)
Expired
Mar 23, 2011, 7:15 PM CDT
In force
24 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

County Rutherford County, TN

The radar

The Nashville radar (KOHX), 61 km from the middle of the area, began a volume at 23:54 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, 7:03 PM CDTTORNADO13 Sse Murfreesboro, TNDAMAGE OCCURRED ON WALNUT GROVE ROAD NEAR HWY 231...SOME TREES WERE UPROOTED AND A SMALL PORTION OF SHINGLES WERE REMOVED FROM A FEW HOMES. A COUPLE OF OUTBUILDINGS WERE ALSO DAMAGED. THE TORNADO HAS BEEN RATED EF-0 WITH MAXIMUM WIND SPEEDS AROUND 80 MPH.
Mar 23, 7:04 PM CDTTORNADO9 S Murfreesboro, TNA DAMAGE SURVEY CONFIRMED AN EF-0 TORNADO WITH 70 TO 80 MPH WINDS TOUCHED DOWN 2 MILES WEST OF CHRISTIANA. PATH WAS 1 MILE LONG AND 50 YARDS WIDE. DAMAGE OCCURRED ON WALNUT GROVE ROAD NEAR HIGHWAY 231. SOME TREES WERE UPROOTED AND SMALL PORTION OF SHINGLES WER
Mar 23, 7:10 PM CDTTSTM WND DMG9 S Murfreesboro, TNTREES DOWN IN CHRISTIANA.

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 12:00Z, 11.9 hours before the alert went out and 49 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 2011-03-23Temperature 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 2011-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 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
999 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
319 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.

727 
WFUS54 KOHX 232351
TOROHX
TNC149-240015-
/O.NEW.KOHX.TO.W.0020.110323T2351Z-110324T0015Z/

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN RUTHERFORD COUNTY IN MIDDLE TENNESSEE...

* UNTIL 715 PM CDT

* AT 646 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 13 MILES SOUTHWEST OF MURFREESBORO...AND MOVING
  EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHERN RUTHERFORD COUNTY.

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 3564 8642 3566 8649 3571 8654 3571 8663
      3569 8664 3571 8668 3577 8667 3580 8661
      3585 8660 3582 8617 3576 8618 3569 8624
      3564 8624 3567 8634 3566 8637 3563 8637
TIME...MOT...LOC 2351Z 277DEG 34KT 3575 8654

$$

04

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 1:45 PM CDTSevere Thunderstorm WarningOHXFentress, Pickett15 min
Mar 23, 2:04 PM CDTSevere Thunderstorm WarningOHXCumberland, DeKalb, Putnam, White26 min
Mar 23, 2:07 PM CDTSevere Thunderstorm WarningOHXFentress, Pickett23 min
Mar 23, 2:28 PM CDTSevere Thunderstorm WarningOHXCumberland22 min
Mar 23, 2:47 PM CDTSevere Thunderstorm WarningOHXFentress13 min
Mar 23, 5:30 PM CDTSevere Thunderstorm WarningOHXClay, Jackson, Macon, Overton60 min
Mar 23, 5:37 PM CDTSevere Thunderstorm WarningOHXTrousdale, Wilson23 min
Mar 23, 6:03 PM CDTSevere Thunderstorm WarningOHXDeKalb, Smith, Wilson27 min
Mar 23, 6:11 PM CDTTornado WarningOHXDeKalb, Smith, Wilson34 min
Mar 23, 6:15 PM CDTSevere Thunderstorm WarningOHXClay, Fentress, Overton, Pickett30 min
Mar 23, 6:40 PM CDTSevere Thunderstorm WarningOHXCannon, DeKalb, Rutherford, Wilson35 min
Mar 23, 6:42 PM CDTSevere Thunderstorm WarningOHXMarshall, Maury, Rutherford34 min
Mar 23, 6:44 PM CDTSevere Thunderstorm WarningOHXFentress16 min
Mar 23, 6:52 PM CDTTornado WarningOHXDeKalb, White23 min
Mar 23, 6:59 PM CDTTornado WarningOHXGiles31 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.