Alert archive / Tennessee / Tornado Warnings in 2012

Tornado Warning 13, NWS Huntsville, AL

March 2, 2012Lincoln County, Tennessee

NWS Huntsville, AL issued this tornado warning at Mar 2, 2012, 2:38 PM CST for Lincoln County, Tennessee. It was in force for 18 min. 2 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 2, 2012, 2:38 PM CST (20:38 UTC)
Expired
Mar 2, 2012, 2:56 PM CST
In force
18 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

County Lincoln County, TN

The radar

The Northeast Alabama radar (KHTX), 42 km from the middle of the area, began a volume at 20:38 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 2, 2:45 PM CSTHAIL 1.753 S Fayetteville, TNGOLF BALL SIZE HAIL REPORTED AT PARK CITY.
Mar 2, 2:51 PM CSTFUNNEL CLOUD2 W Lincoln, TNWALL CLOUD REPORTED NEAR HWY 275 IN TENNESSEE

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 2, 1:20 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.6 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 12:00Z on 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1667 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 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 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
1667 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

934 
WFUS54 KHUN 022038
TORHUN
TNC103-022115-
/O.NEW.KHUN.TO.W.0013.120302T2038Z-120302T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
238 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

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

* UNTIL 315 PM CST

* AT 234 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CASH
  POINT...OR ABOUT 17 MILES SOUTHWEST OF FAYETTEVILLE...MOVING EAST
  AT 55 MPH.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  CARMARGO.
  SKINEM.
  MOLINO.
  KELSO.
  SMITHLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.

&&

LAT...LON 3523 8642 3524 8640 3521 8638 3513 8637
      3513 8635 3515 8635 3513 8635 3512 8632
      3507 8632 3500 8652 3500 8684 3509 8684
      3526 8643
TIME...MOT...LOC 2039Z 250DEG 46KT 3504 8674

$$

BCC
1 follow-up statement
692 
WWUS54 KHUN 022056
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
256 PM CST FRI MAR 2 2012

TNC103-022106-
/O.CAN.KHUN.TO.W.0013.000000T0000Z-120302T2115Z/
LINCOLN TN-
256 PM CST FRI MAR 2 2012

...THE TORNADO WARNING FOR LINCOLN COUNTY IS CANCELED...

WEATHER SERVICE DOPPLER RADAR INDICATES THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING HAS WEAKENED AND IS NO LONGER SEVERE. 
THEREFORE THE TORNADO WARNING HAS BEEN CANCELED. NO TORNADO WARNINGS 
REMAIN IN EFFECT FOR LINCOLN COUNTY.

HEAVY RAIN...SMALL HAIL...GUSTY WINDS...AND FREQUENT LIGHTNING ARE 
STILL POSSIBLE FROM THIS AND OTHER THUNDERSTORMS. STAY INDOORS UNTIL 
THE STORMS HAVE PASSED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.

LAT...LON 3523 8642 3524 8640 3521 8638 3513 8637
      3513 8635 3515 8635 3513 8635 3512 8632
      3507 8632 3500 8652 3500 8684 3509 8684
      3526 8643
TIME...MOT...LOC 2056Z 250DEG 46KT 3510 8649

$$

BCC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 4:44 AM CSTWind AdvisoryHUNFranklin, Lincoln, Moore11 hr
Mar 2, 9:12 AM CSTSevere Thunderstorm WarningHUNLincoln33 min
Mar 2, 9:41 AM CSTTornado WarningHUNFranklin, Lincoln34 min
Mar 2, 9:55 AM CSTTornado WarningHUNFranklin9 min
Mar 2, 9:59 AM CSTTornado Warning EmergencyHUNFranklin, Lincoln31 min
Mar 2, 10:10 AM CSTTornado WarningHUNFranklin35 min
Mar 2, 10:24 AM CSTTornado WarningHUNFranklin36 min
Mar 2, 1:55 PM CSTSevere Thunderstorm WarningHUNLincoln50 min
Mar 2, 2:00 PM CSTTornado WarningHUNLincoln30 min
Mar 2, 2:28 PM CSTTornado WarningHUNFranklin, Lincoln, Moore32 min
Mar 2, 2:58 PM CSTSevere Thunderstorm WarningHUNFranklin, Lincoln, Moore47 min
Mar 2, 3:16 PM CSTTornado WarningHUNFranklin19 min
Mar 2, 3:58 PM CSTTornado WarningHUNFranklin, Lincoln14 min
Mar 2, 4:10 PM CSTSevere Thunderstorm WarningHUNFranklin, Lincoln50 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.