Alert archive / Tennessee / Tornado Warnings in 2006

Tornado Warning 91, NWS Nashville, TN

September 23, 2006Sumner County, Tennessee

NWS Nashville, TN issued this tornado warning at Sep 23, 2006, 4:37 AM CDT for Sumner County, Tennessee. It was in force for 23 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: Sep 23, 2006, 4:37 AM CDT (09:37 UTC)
Expired: Sep 23, 2006, 5:00 AM CDT
In force: 23 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Sumner County, TN

The radar

The Nashville radar (KOHX), 19 km from the middle of the area, began a volume at 09:37 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.

Issued	Product	Office	Lasted
Sep 23, 12:59 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.6 hours before the alert went out and 32 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1397 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 321 m²/s²
0-3 km storm-relative helicity: 437 m²/s²
Significant tornado parameter: 3.9
Supercell composite: 14.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 230940
TOROHX
TNC165-231000-
/O.NEW.KOHX.TO.W.0091.060923T0937Z-060923T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
437 AM CDT SAT SEP 23 2006

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN SUMNER COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF GALLATIN

* UNTIL 500 AM CDT

* AT 435 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  A SEVERE THUNDERSTORM LIKELY CONTAINING A TORNADO 17 MILES WEST OF
  GALLATIN...OR ABOUT 8 MILES SOUTHEAST OF SPRINGFIELD...MOVING
  NORTHEAST AT 45 MPH.

* THE TORNADO WILL PASS OVER RURAL AREAS OF SUMNER COUNTY
  BETWEEN NOW AND 455 AM AND WILL BE NEAR GALLATIN BY 500 AM.

DAMAGE HAS ALREADY BEEN REPORTED WITH THIS TORNADO AND YOU SHOULD
SEEK SHELTER NOW. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A 
BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. 
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF 
THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. 
USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY 
FROM WINDOWS.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM CDT SATURDAY MORNING
FOR TENNESSEE.

LAT...LON 3649 8664 3641 8671 3637 8671 3630 8658
      3636 8634 3648 8632

$$

19

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 8:18 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	57 min
Sep 22, 8:43 PM CDT	Tornado Warning	OHX	Stewart	32 min
Sep 22, 10:49 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	56 min
Sep 22, 11:21 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	39 min
Sep 23, 12:46 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	44 min
Sep 23, 12:46 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	44 min
Sep 23, 3:06 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	24 min
Sep 23, 3:44 AM CDT	Severe Thunderstorm Warning	OHX	Montgomery	31 min
Sep 23, 4:00 AM CDT	Tornado Warning	OHX	Montgomery	14 min
Sep 23, 4:01 AM CDT	Flash Flood Watch	OHX	Benton, Cannon, Cheatham, Clay, Cumberland, Davidson and 23 more	23 hr
Sep 23, 4:05 AM CDT	Tornado Warning	OHX	Cheatham, Robertson	25 min
Sep 23, 4:16 AM CDT	Tornado Warning	OHX	Robertson	29 min
Sep 23, 4:24 AM CDT	Severe Thunderstorm Warning	OHX	Robertson	36 min
Sep 23, 4:43 AM CDT	Severe Thunderstorm Warning	OHX	Sumner	32 min
Sep 23, 5:01 AM CDT	Tornado Warning	OHX	Sumner	29 min
Sep 23, 5:16 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	44 min
Sep 23, 5:26 AM CDT	Severe Thunderstorm Warning	OHX	Macon, Trousdale	49 min
Sep 23, 5:51 AM CDT	Tornado Warning	OHX	Smith	24 min
Sep 23, 6:12 AM CDT	Severe Thunderstorm Warning	OHX	Jackson	33 min
Sep 23, 6:57 AM CDT	Flash Flood Warning	OHX	Stewart	2 hr
Sep 23, 2:35 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	25 min
Sep 23, 3:16 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Smith	29 min
Sep 23, 3:32 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	28 min
Sep 23, 4:07 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson, Wilson	23 min
Sep 23, 4:44 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford	31 min
Sep 23, 5:02 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Rutherford	28 min
Sep 23, 5:02 PM CDT	Severe Thunderstorm Warning	OHX	Van Buren, Warren, White	43 min
Sep 23, 5:40 PM CDT	Severe Thunderstorm Warning	OHX	Warren, White	35 min
Sep 23, 5:45 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb	30 min
Sep 23, 5:47 PM CDT	Severe Thunderstorm Warning	OHX	Fentress	13 min

Nearby

Tornado Warnings in Tennessee, 2006 Every tornado warning in 2006 Tornadoes in 2006

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.