Alert archive / Tennessee / Tornado Warnings in 2008

Tornado Warning 42, NWS Nashville, TN

April 11, 2008Warren County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 11, 2008, 1:39 PM CDT for Warren County, Tennessee. It was in force for 51 min. 2 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: Apr 11, 2008, 1:39 PM CDT (18:39 UTC)
Expired: Apr 11, 2008, 2:30 PM CDT
In force: 51 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

County Warren County, TN

The radar

The Northeast Alabama radar (KHTX), 87 km from the middle of the area, began a volume at 18:41 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	Remark
Apr 11, 1:42 PM CDT	TORNADO 1	11 W Mcminnville, TN	A TORNADO MOVED FROM NEAR THE COFFEE/WARREN COUNTY LINE ABOUT 11 MILES WEST OF MCMINNVILLE... NORTHEASTWARD FOR 15 MILES AND ENDED ABOUT 5 MILES NORTHEAST OF MCMINNVILLE AT 205 PM. IT WAS UP TO 250 YARDS WIDE. THE TORNADO DAMAGED DOZENS OF HOMES...INCLUDING A
Apr 11, 2:06 PM CDT	TORNADO	1 N Mcminnville, TN	TORNADO ON GROUND WITH MULTIPLE HOUSES DAMAGED NEAR BEACON ROAD AND SPRING VALLEY ROAD...OFF OF HWY 56.

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
Apr 11, 10:15 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.7 hours before the alert went out and 82 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: -39 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 111840
TOROHX
TNC177-111930-
/O.NEW.KOHX.TO.W.0042.080411T1839Z-080411T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
142 PM CDT FRI APR 11 2008

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  WARREN COUNTY IN TENNESSEE...
  THIS INCLUDES THE CITY OF MCMINNVILLE...

* UNTIL 230 PM CDT

* AT 140 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 16 MILES WEST OF MCMINNVILLE...OR 12 MILES SOUTH OF
  WOODBURY...MOVING EAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  MCMINNVILLE BY 200 PM CDT...

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 400 PM CDT FRIDAY AFTERNOON
FOR CENTRAL TENNESSEE.

LAT...LON 3566 8557 3558 8594 3561 8595 3566 8599
      3570 8600 3571 8598 3573 8600 3576 8596
      3584 8568
TIME...MOT...LOC 1839Z 252DEG 59KT 3569 8595

$$

04

1 follow-up statement

000 
WWUS54 KOHX 111925
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
224 PM CDT FRI APR 11 2008

TNC177-111934-
/O.EXP.KOHX.TO.W.0042.000000T0000Z-080411T1930Z/
WARREN TN-
224 PM CDT FRI APR 11 2008

...THE TORNADO WARNING FOR WARREN COUNTY WILL EXPIRES AT 230PM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT FRIDAY AFTERNOON
FOR CENTRAL TENNESSEE.

LAT...LON 3566 8557 3558 8594 3561 8595 3566 8599
      3570 8600 3571 8598 3573 8600 3576 8596
      3584 8568
TIME...MOT...LOC 1924Z 252DEG 59KT 3592 8508

$$

04

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 8:42 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	33 min
Apr 10, 11:19 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Stewart	26 min
Apr 10, 11:56 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Stewart	34 min
Apr 11, 12:29 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys	31 min
Apr 11, 1:06 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery, Robertson and 1 more	24 min
Apr 11, 1:25 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys, Perry	35 min
Apr 11, 2:22 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Robertson, Sumner	23 min
Apr 11, 10:08 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys	37 min
Apr 11, 10:33 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Humphreys	27 min
Apr 11, 10:36 AM CDT	Tornado Warning	OHX	Dickson, Humphreys	24 min
Apr 11, 10:43 AM CDT	Severe Thunderstorm Warning	OHX	Hickman, Perry	32 min
Apr 11, 10:57 AM CDT	Tornado Warning	OHX	Cheatham, Dickson	22 min
Apr 11, 11:14 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Williamson	31 min
Apr 11, 11:17 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	28 min
Apr 11, 11:22 AM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	23 min
Apr 11, 11:44 AM CDT	Severe Thunderstorm Warning	OHX	Macon, Trousdale	31 min
Apr 11, 11:45 AM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	30 min
Apr 11, 11:47 AM CDT	Tornado Warning	OHX	Lawrence, Wayne	28 min
Apr 11, 12:00 PM CDT	Tornado Warning	OHX	Clay, Macon	19 min
Apr 11, 12:11 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Maury	34 min
Apr 11, 12:12 PM CDT	Areal Flood Advisory	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 26 more	109 days
Apr 11, 12:14 PM CDT	Tornado Warning	OHX	Giles, Lawrence, Maury	31 min
Apr 11, 12:28 PM CDT	Tornado Warning	OHX	Marshall, Maury	32 min
Apr 11, 12:51 PM CDT	Tornado Warning	OHX	Bedford	24 min
Apr 11, 1:13 PM CDT	Tornado Warning	OHX	Bedford, Coffee	32 min
Apr 11, 1:28 PM CDT	Tornado Warning	OHX	Cannon	32 min
Apr 11, 1:59 PM CDT	Tornado Warning	OHX	Van Buren, White	46 min
Apr 11, 2:09 PM CDT	Tornado Warning	OHX	Van Buren, White	36 min
Apr 11, 2:21 PM CDT	Severe Thunderstorm Warning	OHX	Coffee	24 min
Apr 11, 2:31 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, White	15 min
Apr 11, 2:31 PM CDT	Tornado Warning	OHX	Grundy	29 min
Apr 11, 2:35 PM CDT	Tornado Warning	OHX	Coffee, Warren	14 min
Apr 11, 2:39 PM CDT	Tornado Warning	OHX	Cumberland	36 min
Apr 11, 3:13 PM CDT	Tornado Warning	OHX	Cumberland	21 min

Nearby

Tornado Warnings in Tennessee, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.