Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 40, NWS Huntsville, AL

April 27, 2011Lincoln County, Moore County, Tennessee

NWS Huntsville, AL issued this tornado warning at Apr 27, 2011, 5:51 AM CDT for Lincoln County, Moore County, Tennessee. It was in force for 24 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
Apr 27, 2011, 5:51 AM CDT (10:51 UTC)
Expired
Apr 27, 2011, 6:15 AM CDT
In force
24 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

Counties Lincoln County, TN, Moore County, TN

The radar

The Northeast Alabama radar (KHTX), 56 km from the middle of the area, began a volume at 10:52 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
Apr 27, 6:05 AM CDTTSTM WND DMG3 S Lynchburg, TNTREE DOWN ON HOUSE ALONG LOIS RIDGE ROAD.

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
Apr 27, 2:26 AM CDTTornado WatchSPC6 hr
Apr 27, 5:07 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.9 hours before the alert went out and 91 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 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1852 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
1852 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1222 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
1.3
Supercell composite
8.9

Open this sounding in Storm Lab

The text

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

783 
WFUS54 KHUN 271051
TORHUN
TNC103-127-271115-
/O.NEW.KHUN.TO.W.0040.110427T1051Z-110427T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
551 AM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LINCOLN COUNTY IN TENNESSEE...
  CENTRAL MOORE COUNTY IN TENNESSEE...

* UNTIL 615 AM CDT

* AT 548 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  FAYETTEVILLE...MOVING NORTHEAST AT 55 MPH.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  MULBERRY.
  LYNCHBURG.

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 800 AM CDT WEDNESDAY MORNING
FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.

&&

LAT...LON 3537 8653 3537 8648 3534 8644 3534 8642
      3536 8640 3537 8635 3531 8625 3527 8628
      3525 8627 3507 8655 3530 8671 3535 8660
      3536 8660 3538 8656
TIME...MOT...LOC 1051Z 220DEG 48KT 3515 8655

$$
SL
1 follow-up statement
261 
WWUS54 KHUN 271104
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
604 AM CDT WED APR 27 2011

TNC103-127-271115-
/O.CON.KHUN.TO.W.0040.000000T0000Z-110427T1115Z/
MOORE TN-LINCOLN TN-
604 AM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR NORTH
CENTRAL LINCOLN AND CENTRAL MOORE COUNTIES...

AT 602 AM CDT...TRAINED WEATHER SPOTTERS REPORTED DAMAGE NEAR 
CARMAGO ASSOCIATED WITH A POSSIBLE TORNADO.  THIS TORNADO WAS 
LOCATED NEAR BOONEVILLE...OR ABOUT NEAR LYNCHBURG...MOVING NORTHEAST 
AT 55 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT WEDNESDAY MORNING
FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.

&&

LAT...LON 3537 8648 3534 8644 3534 8642 3536 8640
      3537 8634 3531 8625 3525 8628 3514 8645
      3534 8662 3535 8660 3536 8660 3538 8656
TIME...MOT...LOC 1104Z 220DEG 48KT 3528 8641

$$

SL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 5:36 AM CDTTornado WarningHUNLincoln, Moore24 min
Apr 27, 5:40 AM CDTSevere Thunderstorm WarningHUNFranklin, Lincoln35 min
Apr 27, 6:11 AM CDTTornado WarningHUNFranklin34 min
Apr 27, 6:20 AM CDTSevere Thunderstorm WarningHUNFranklin, Lincoln40 min
Apr 27, 7:01 AM CDTSpecial Weather StatementHUNFranklin29 min
Apr 27, 9:39 AM CDTSevere Thunderstorm WarningHUNLincoln27 min
Apr 27, 10:06 AM CDTRiver Flood WarningHUNFranklin, Lincoln49 hr
Apr 27, 10:07 AM CDTSpecial Weather StatementHUNFranklin53 min
Apr 27, 11:29 AM CDTSevere Thunderstorm WarningHUNFranklin, Lincoln, Moore46 min
Apr 27, 12:04 PM CDTTornado WarningHUNFranklin, Lincoln26 min
Apr 27, 12:11 PM CDTSevere Thunderstorm WarningHUNFranklin, Lincoln, Moore47 min
Apr 27, 12:25 PM CDTTornado WarningHUNFranklin20 min
Apr 27, 12:40 PM CDTFlash Flood WarningHUNFranklin, Lincoln, Moore8 hr
Apr 27, 4:37 PM CDTTornado Warning EmergencyHUNLincoln23 min
Apr 27, 4:56 PM CDTTornado Warning EmergencyHUNFranklin, Lincoln34 min
Apr 27, 5:15 PM CDTTornado Warning EmergencyHUNFranklin45 min
Apr 27, 5:19 PM CDTTornado Warning EmergencyHUNFranklin26 min
Apr 27, 5:23 PM CDTTornado Warning EmergencyHUNFranklin22 min
Apr 27, 5:30 PM CDTTornado WarningHUNLincoln30 min
Apr 27, 5:43 PM CDTTornado WarningHUNFranklin, Lincoln32 min
Apr 27, 5:54 PM CDTTornado WarningHUNFranklin21 min
Apr 27, 6:10 PM CDTTornado WarningHUNFranklin20 min
Apr 27, 6:13 PM CDTTornado WarningHUNLincoln, Moore32 min
Apr 27, 6:39 PM CDTTornado WarningHUNFranklin, Lincoln, Moore21 min
Apr 27, 6:55 PM CDTTornado WarningHUNFranklin35 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.