Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 14, NWS Nashville, TN

February 27, 20115 counties in Tennessee

NWS Nashville, TN issued this tornado warning at Feb 27, 2011, 4:30 PM CST for 5 counties in Tennessee. It was in force for 45 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
Feb 27, 2011, 4:30 PM CST (22:30 UTC)
Expired
Feb 27, 2011, 5:15 PM CST
In force
45 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Cheatham County, TN, Dickson County, TN, Houston County, TN, Humphreys County, TN, Montgomery County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.5 hours before the alert went out and 63 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 2011-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2011-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 square meters per square second.1939587897Sfc1 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
4 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
940 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
273 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.

661 
WFUS54 KOHX 272230
TOROHX
TNC021-043-083-085-125-272315-
/O.NEW.KOHX.TO.W.0014.110227T2230Z-110227T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
430 PM CST SUN FEB 27 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHEATHAM COUNTY IN MIDDLE TENNESSEE...
  NORTHERN DICKSON COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN HOUSTON COUNTY IN MIDDLE TENNESSEE...
  NORTHEASTERN HUMPHREYS COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN MONTGOMERY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 515 PM CST

* AT 427 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES NORTH OF MCEWEN...OR 9 MILES SOUTHEAST OF
  ERIN...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ASHLAND CITY...VANLEER...SLAYDEN AND CHARLOTTE.

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 3646 8712 3643 8707 3620 8698 3611 8761
      3628 8769 3654 8712
TIME...MOT...LOC 2230Z 249DEG 44KT 3623 8754

$$

LAROSA
1 follow-up statement
622 
WWUS54 KOHX 272246
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
446 PM CST SUN FEB 27 2011

TNC083-085-272256-
/O.CAN.KOHX.TO.W.0014.000000T0000Z-110227T2315Z/
HOUSTON TN-HUMPHREYS TN-
446 PM CST SUN FEB 27 2011

...THE TORNADO WARNING FOR NORTHEASTERN HUMPHREYS AND SOUTHEASTERN
HOUSTON COUNTIES IS CANCELLED...

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

LAT...LON 3654 8712 3646 8712 3642 8707 3620 8698
      3613 8746 3633 8752 3634 8752 3635 8753
TIME...MOT...LOC 2246Z 251DEG 52KT 3629 8737

$$

TNC021-043-125-272315-
/O.CON.KOHX.TO.W.0014.000000T0000Z-110227T2315Z/
DICKSON TN-CHEATHAM TN-MONTGOMERY TN-
446 PM CST SUN FEB 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MONTGOMERY...
NORTHERN CHEATHAM AND NORTHERN DICKSON COUNTIES UNTIL 515 PM CST...

AT 445 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 14 MILES NORTH OF DICKSON...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  ASHLAND CITY.

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 3654 8712 3646 8712 3642 8707 3620 8698
      3613 8746 3633 8752 3634 8752 3635 8753
TIME...MOT...LOC 2246Z 251DEG 52KT 3629 8737

$$

LAROSA

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 4:08 PM CSTSevere Thunderstorm WarningOHXBenton, Dickson, Houston, Humphreys, Montgomery, Stewart37 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; the sounding from the Mesonet's radiosonde archive.