Alert archive / Tennessee / Tornado Warnings in 2006

Tornado Warning 9, NWS Nashville, TN

March 31, 2006Maury County, Williamson County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 31, 2006, 6:39 PM CST for Maury County, Williamson County, Tennessee. It was in force for 36 min. 3 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 31, 2006, 6:39 PM CST (00:39 UTC)
Expired: Mar 31, 2006, 7:15 PM CST
In force: 36 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

Counties Maury County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 79 km from the middle of the area, began a volume at 00:41 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

Time	Report	Where
Mar 31, 7:05 PM CST	TSTM WND GST 70	1 N Spring Hill, TN
Mar 31, 7:05 PM CST	HAIL 1	1 N Spring Hill, TN
Mar 31, 7:05 PM CST	HAIL 1.75	4 E Spring Hill, TN

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.

Issued	Product	Office	Lasted
Mar 31, 4:53 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.7 hours before the alert went out and 67 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: 419 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 176 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 010040
TOROHX
TNC119-187-010115-
/O.NEW.KOHX.TO.W.0009.060401T0039Z-060401T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
639 PM CST FRI MAR 31 2006

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  MAURY COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF COLUMBIA
  WILLIAMSON COUNTY IN TENNESSEE

* UNTIL 715 PM CST

* AT 636 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES NORTH
  OF MOUNT PLEASANT...OR ABOUT 12 MILES WEST OF COLUMBIA...MOVING
  EAST NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE...
  7 MILES NORTH OF COLUMBIA BY 650 PM CST
  SPRING HILL BY 705 PM CST
  THOMPSON STATION BY 710 PM CST

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.

LAT...LON 3573 8731 3546 8726 3553 8684 3594 8675

$$
BOYD

1 follow-up statement

000 
WWUS54 KOHX 010050
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
650 PM CST FRI MAR 31 2006

TNC119-187-010115-
/O.CON.KOHX.TO.W.0009.000000T0000Z-060401T0115Z/
MAURY TN-WILLIAMSON TN-
650 PM CST FRI MAR 31 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR 
WILLIAMSON AND MAURY COUNTIES...

AT 647 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR COLUMBIA...MOVING
EAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  SPRING HILL BY 705 PM CST

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.

LAT...LON 3573 8731 3546 8726 3553 8684 3594 8675

$$

21

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 6:32 PM CST	Tornado Warning	OHX	Dickson, Hickman, Humphreys	43 min
Mar 31, 6:56 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson	34 min
Mar 31, 7:13 PM CST	Tornado Warning	OHX	Marshall, Maury, Williamson	32 min
Mar 31, 7:20 PM CST	Tornado Warning	OHX	Bedford, Rutherford	40 min
Mar 31, 7:44 PM CST	Severe Thunderstorm Warning	OHX	Marshall, Maury	46 min
Mar 31, 7:54 PM CST	Tornado Warning	OHX	Bedford, Marshall, Rutherford	36 min
Mar 31, 8:28 PM CST	Tornado Warning	OHX	Bedford	32 min
Mar 31, 8:55 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Coffee	35 min
Mar 31, 8:58 PM CST	Flash Flood Warning	OHX	Maury	2 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.