Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 20, NWS Huntsville, AL

March 23, 2011Lincoln County, Tennessee

NWS Huntsville, AL issued this tornado warning at Mar 23, 2011, 7:28 PM CDT for Lincoln County, Tennessee. It was in force for 47 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 23, 2011, 7:28 PM CDT (00:28 UTC)
Expired
Mar 23, 2011, 8:15 PM CDT
In force
47 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

County Lincoln County, TN

The radar

The Northeast Alabama radar (KHTX), 49 km from the middle of the area, began a volume at 00:28 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 23, 4:06 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.5 hours before the alert went out and 110 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.

467 
WFUS54 KHUN 240028
TORHUN
TNC103-240115-
/O.NEW.KHUN.TO.W.0020.110324T0028Z-110324T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
728 PM CDT WED MAR 23 2011

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  LINCOLN COUNTY IN TENNESSEE...

* UNTIL 815 PM CDT

* AT 728 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MCBURG...OR
  ABOUT 13 MILES EAST OF PULASKI...MOVING EAST AT 40 MPH.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  COLDWATER.
  HARMS.
  FAYETTEVILLE.
  MOLINO.
  KELSO.
  SMITHLAND.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR CENTRAL TENNESSEE.

&&

LAT...LON 3520 8637 3515 8636 3500 8636 3507 8677
      3509 8683 3525 8683
TIME...MOT...LOC 0028Z 277DEG 36KT 3516 8678

$$

KULA
2 follow-up statements
007 
WWUS54 KHUN 240037
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
737 PM CDT WED MAR 23 2011

TNC103-240115-
/O.CON.KHUN.TO.W.0020.000000T0000Z-110324T0115Z/
LINCOLN TN-
737 PM CDT WED MAR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR LINCOLN
COUNTY...

AT 738 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR COLDWATER...OR
ABOUT 9 MILES WEST OF FAYETTEVILLE...MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HARMS...CARMARGO...SKINEM...BELLEVIEW...MOLINO...KELSO...CRYSTAL
SPRINGS...FLINTVILLE AND SMITHLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3520 8637 3515 8636 3500 8636 3507 8677
      3509 8683 3525 8683
TIME...MOT...LOC 0038Z 288DEG 32KT 3512 8669

$$

KULA
980 
WWUS54 KHUN 240113
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
813 PM CDT WED MAR 23 2011

TNC103-240123-
/O.EXP.KHUN.TO.W.0020.000000T0000Z-110324T0115Z/
LINCOLN TN-
813 PM CDT WED MAR 23 2011

...THE TORNADO WARNING FOR LINCOLN COUNTY EXPIRES AT 815 PM CDT...

DOPPLER RADAR INDICATES THE THUNDERSTORM THAT PROMPTED THE 
TORNADO WARNING HAS WEAKENED AND IS NO LONGER SEVERE. THEREFORE THE 
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

HEAVY RAIN...SMALL HAIL...GUSTY WINDS...AND FREQUENT LIGHTNING ARE
STILL POSSIBLE FROM THIS THUNDERSTORM. STAY INDOORS UNTIL THE STORM
HAS PASSED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.

LAT...LON 3520 8637 3515 8636 3500 8636 3507 8677
      3509 8683 3525 8683
TIME...MOT...LOC 0113Z 288DEG 32KT 3502 8633

$$

KULA

The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 23, 7:09 PM CDTSpecial Weather StatementHUNFranklin, Lincoln, Moore81 min
Mar 23, 7:20 PM CDTSevere Thunderstorm WarningHUNLincoln25 min
Mar 23, 7:23 PM CDTTornado WarningHUNFranklin, Moore37 min
Mar 23, 8:00 PM CDTSevere Thunderstorm WarningHUNLincoln30 min
Mar 23, 8:04 PM CDTSevere Thunderstorm WarningHUNFranklin, Lincoln41 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; radar from the NEXRAD Level II archive.