Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 101, NWS Nashville, TN

June 19, 2011Van Buren County, Tennessee

NWS Nashville, TN issued this tornado warning at Jun 19, 2011, 9:15 PM CDT for Van Buren County, Tennessee. It was in force for 15 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
Jun 19, 2011, 9:15 PM CDT (02:15 UTC)
Expired
Jun 19, 2011, 9:30 PM CDT
In force
15 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

County Van Buren County, TN

The radar

The Northeast Alabama radar (KHTX), 111 km from the middle of the area, began a volume at 02:15 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
Jun 19, 5:01 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.3 hours before the alert went out and 124 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 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3898 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 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.193958Sfc1 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
3898 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
3.2
Supercell composite
14.9

Open this sounding in Storm Lab

The text

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

895 
WFUS54 KOHX 200215
TOROHX
TNC175-200230-
/O.NEW.KOHX.TO.W.0101.110620T0215Z-110620T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
915 PM CDT SUN JUN 19 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN VAN BUREN COUNTY IN MIDDLE TENNESSEE...

* UNTIL 930 PM CDT

* AT 910 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 6 MILES SOUTHEAST OF SPENCER...AND MOVING EAST AT
  30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN VAN BUREN 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 3574 8526 3572 8526 3561 8539 3563 8546
      3580 8539 3577 8525
TIME...MOT...LOC 0215Z 289DEG 26KT 3569 8532

$$

JLM
1 follow-up statement
554 
WWUS54 KOHX 200221
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
921 PM CDT SUN JUN 19 2011

TNC175-200231-
/O.EXP.KOHX.TO.W.0101.000000T0000Z-110620T0230Z/
VAN BUREN TN-
921 PM CDT SUN JUN 19 2011

...THE TORNADO WARNING FOR EASTERN VAN BUREN COUNTY WILL EXPIRE AT
930 PM CDT...

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

LAT...LON 3574 8526 3572 8526 3561 8539 3563 8546
      3580 8539 3577 8525
TIME...MOT...LOC 0221Z 289DEG 26KT 3568 8527

$$

JLM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:34 PM CDTSevere Thunderstorm WarningOHXCumberland, Overton, Putnam, White26 min
Jun 19, 7:59 PM CDTSevere Thunderstorm WarningOHXCumberland, Putnam, White46 min
Jun 19, 8:35 PM CDTSevere Thunderstorm WarningOHXCumberland, Van Buren, Warren, White40 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.