Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 102, NWS Nashville, TN

June 23, 20114 counties in Tennessee

NWS Nashville, TN issued this tornado warning at Jun 23, 2011, 6:36 PM CDT for 4 counties in Tennessee. It was in force for 39 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 23, 2011, 6:36 PM CDT (23:36 UTC)
Expired
Jun 23, 2011, 7:15 PM CDT
In force
39 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Cumberland County, TN, Fentress County, TN, Overton County, TN, Putnam County, TN

The radar

The Nashville radar (KOHX), 138 km from the middle of the area, began a volume at 23:36 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 23, 12:37 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.6 hours before the alert went out and 141 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 2011-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1096 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 2011-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
1096 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
529 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

416 
WFUS54 KOHX 232336
TOROHX
TNC035-049-133-141-240015-
/O.NEW.KOHX.TO.W.0102.110623T2336Z-110624T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
636 PM CDT THU JUN 23 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CUMBERLAND COUNTY IN MIDDLE TENNESSEE...
  SOUTHWESTERN FENTRESS COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN OVERTON COUNTY IN MIDDLE TENNESSEE...
  EAST CENTRAL PUTNAM COUNTY IN MIDDLE TENNESSEE...

* UNTIL 715 PM CDT

* AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MONTEREY...OR 14 MILES SOUTH OF
  LIVINGSTON...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CROSSVILLE.

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 3623 8487 3621 8489 3619 8489 3590 8503
      3607 8522 3620 8532 3628 8528 3628 8486
TIME...MOT...LOC 2336Z 291DEG 35KT 3618 8520

$$

21
2 follow-up statements
805 
WWUS54 KOHX 232345
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
645 PM CDT THU JUN 23 2011

TNC035-049-133-141-240015-
/O.CON.KOHX.TO.W.0102.000000T0000Z-110624T0015Z/
CUMBERLAND TN-PUTNAM TN-OVERTON TN-FENTRESS TN-
645 PM CDT THU JUN 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FENTRESS...
SOUTHEASTERN OVERTON...EAST CENTRAL PUTNAM AND NORTH CENTRAL
CUMBERLAND COUNTIES UNTIL 715 PM CDT...

AT 641 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR MONTEREY...OR 16 MILES SOUTHEAST OF
LIVINGSTON...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  CROSSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3606 8518 3617 8525 3627 8521 3628 8486
      3623 8487 3621 8489 3619 8489 3590 8503
TIME...MOT...LOC 2346Z 289DEG 27KT 3618 8515

$$

21
663 
WWUS54 KOHX 240002
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
702 PM CDT THU JUN 23 2011

TNC133-141-240012-
/O.CAN.KOHX.TO.W.0102.000000T0000Z-110624T0015Z/
PUTNAM TN-OVERTON TN-
702 PM CDT THU JUN 23 2011

...THE TORNADO WARNING FOR SOUTHEASTERN OVERTON AND EAST CENTRAL
PUTNAM COUNTIES IS CANCELLED...

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

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NASHVILLE.

LAT...LON 3601 8498 3611 8510 3615 8511 3618 8510
      3620 8508 3621 8489
TIME...MOT...LOC 0002Z 289DEG 27KT 3614 8501

$$

TNC035-049-240015-
/O.CON.KOHX.TO.W.0102.000000T0000Z-110624T0015Z/
CUMBERLAND TN-FENTRESS TN-
702 PM CDT THU JUN 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FENTRESS AND
NORTH CENTRAL CUMBERLAND COUNTIES UNTIL 715 PM CDT...

AT 659 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 12 MILES EAST OF MONTEREY...OR 14 MILES NORTH OF
CROSSVILLE...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHERN FENTRESS AND NORTHERN
  CUMBERLAND COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NASHVILLE.

&&

LAT...LON 3601 8498 3611 8510 3615 8511 3618 8510
      3620 8508 3621 8489
TIME...MOT...LOC 0002Z 289DEG 27KT 3614 8501

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 4:35 PM CDTSevere Thunderstorm WarningOHXFentress, Overton, Pickett40 min
Jun 23, 6:31 PM CDTSevere Thunderstorm WarningOHXFentress, Overton44 min
Jun 23, 6:52 PM CDTSevere Thunderstorm WarningOHXFentress, Pickett13 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.