Alert archive / Tennessee / Tornado Warnings in 2004

Tornado Warning 31, NWS Nashville, TN

October 18, 2004Lewis County, Maury County, Tennessee

NWS Nashville, TN issued this tornado warning at Oct 18, 2004, 9:30 PM CDT for Lewis County, Maury County, Tennessee. It was in force for 45 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: Oct 18, 2004, 9:30 PM CDT (02:30 UTC)
Expired: Oct 18, 2004, 10:15 PM CDT
In force: 45 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

Counties Lewis County, TN, Maury County, TN

The radar

The Nashville radar (KOHX), 116 km from the middle of the area, began a volume at 02:33 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
Oct 18, 8:00 PM CDT	Tornado Watch	SPC	3 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.5 hours before the alert went out and 105 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: 501 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 558 m²/s²
0-3 km storm-relative helicity: 651 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 16.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 190230
TORBNA
TNC101-119-190315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
928 PM CDT MON OCT 18 2004

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  LEWIS COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF HOHENWALD
  SOUTHWESTERN MAURY COUNTY IN TENNESSEE

* UNTIL 1015 PM CDT

* AT 921 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHWEST OF HOHENWALD...MOVING EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  MOUNT PLEASANT BY 1015 PM CDT

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY 
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU 
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE 
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. EVACUATE 
MOBILE HOMES. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY 
OVERPASS.


LAT...LON 3557 8772 3539 8769 3541 8714 3565 8717

$$

JLM

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 18, 8:22 PM CDT	Severe Thunderstorm Warning	OHX	Perry, Wayne	23 min
Oct 18, 8:30 PM CDT	Tornado Warning	OHX	Perry, Wayne	30 min
Oct 18, 8:38 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys, Stewart	52 min
Oct 18, 8:57 PM CDT	Tornado Warning	OHX	Benton, Houston, Stewart	63 min
Oct 18, 9:00 PM CDT	Tornado Warning	OHX	Hickman, Lewis, Perry, Wayne	30 min
Oct 18, 9:35 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys	55 min
Oct 18, 9:55 PM CDT	Tornado Warning	OHX	Houston, Humphreys	65 min
Oct 18, 10:16 PM CDT	Severe Thunderstorm Warning	OHX	Maury	29 min
Oct 18, 10:22 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Perry, Wayne	23 min
Oct 18, 10:27 PM CDT	Tornado Warning	OHX	Dickson	48 min
Oct 18, 10:40 PM CDT	Flash Flood Warning	OHX	Benton, Houston, Humphreys, Montgomery	2 hr
Oct 18, 10:57 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys	48 min
Oct 18, 11:13 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	32 min
Oct 18, 11:13 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	47 min
Oct 18, 11:20 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham	55 min
Oct 18, 11:25 PM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Dickson	3 hr
Oct 18, 11:30 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	60 min
Oct 19, 12:09 AM CDT	Flash Flood Warning	OHX	Hickman	2 hr
Oct 19, 12:12 AM CDT	Tornado Warning	OHX	Dickson, Hickman, Williamson	33 min
Oct 19, 12:19 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys	56 min
Oct 19, 12:29 AM CDT	Severe Thunderstorm Warning	OHX	Maury, Rutherford, Williamson	31 min
Oct 19, 12:32 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	58 min
Oct 19, 12:38 AM CDT	Tornado Warning	OHX	Hickman, Humphreys, Perry	22 min
Oct 19, 12:40 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	50 min
Oct 19, 12:41 AM CDT	Flash Flood Warning	OHX	Williamson	2 hr
Oct 19, 1:01 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Hickman, Marshall, Maury and 3 more	29 min
Oct 19, 1:35 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford	25 min
Oct 19, 1:38 AM CDT	Severe Thunderstorm Warning	OHX	Maury, Williamson	22 min
Oct 19, 1:48 AM CDT	Tornado Warning	OHX	Maury	27 min
Oct 19, 1:54 AM CDT	Flash Flood Warning	OHX	Rutherford	2 hr
Oct 19, 2:01 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford	29 min
Oct 19, 2:07 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	38 min
Oct 19, 2:17 AM CDT	Tornado Warning	OHX	Marshall, Maury	28 min
Oct 19, 2:21 AM CDT	Flash Flood Warning	OHX	Davidson	3 hr
Oct 19, 2:40 AM CDT	Flash Flood Warning	OHX	Lawrence, Wayne	3 hr
Oct 19, 2:50 AM CDT	Flash Flood Warning	OHX	Williamson	115 min
Oct 19, 2:51 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	24 min
Oct 19, 2:56 AM CDT	Tornado Warning	OHX	Coffee, Wayne	34 min
Oct 19, 3:08 AM CDT	Flash Flood Warning	OHX	Hickman, Perry	2 hr
Oct 19, 3:28 AM CDT	Tornado Warning	OHX	Giles	32 min
Oct 19, 3:52 AM CDT	Flash Flood Warning	OHX	Bedford, Coffee	2 hr
Oct 19, 4:12 AM CDT	Flash Flood Warning	OHX	Grundy	2 hr
Oct 19, 4:35 AM CDT	Severe Thunderstorm Warning	OHX	Wayne	25 min
Oct 19, 4:54 AM CDT	Flash Flood Warning	OHX	Giles	3 hr
Oct 19, 4:58 AM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	32 min
Oct 19, 5:45 AM CDT	Flash Flood Warning	OHX	Lawrence, Wayne	2 hr
Oct 19, 6:00 AM CDT	Flash Flood Warning	OHX	Bedford, Coffee	2 hr
Oct 19, 6:31 AM CDT	Flash Flood Warning	OHX	Grundy	119 min
Oct 19, 7:30 AM CDT	Flash Flood Warning	OHX	Bedford, Coffee, Giles, Grundy, Lawrence, Marshall and 1 more	3 hr
Oct 19, 11:40 AM CDT	Flash Flood Warning	OHX	Giles, Lawrence	3 hr

Nearby

Tornado Warnings in Tennessee, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.