Alert archive / Tennessee / Tornado Warnings in 2003

Tornado Warning 20, NWS Nashville, TN

April 6, 2003Davidson County, Robertson County, Sumner County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 6, 2003, 1:17 PM CDT for Davidson County, Robertson County, Sumner County, Tennessee. It was in force for 28 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: Apr 6, 2003, 1:17 PM CDT (18:17 UTC)
Expired: Apr 6, 2003, 1:45 PM CDT
In force: 28 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

Counties Davidson County, TN, Robertson County, TN, Sumner County, TN

The radar

The Nashville radar (KOHX), 27 km from the middle of the area, began a volume at 18:19 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.3 hours before the alert went out and 31 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: 1528 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 304 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 061817
TORBNA
TNC037-147-165-061845-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
116 PM CDT SUN APR 6 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN DAVIDSON COUNTY IN TENNESSEE
  SOUTHEASTERN ROBERTSON COUNTY IN TENNESSEE
  SOUTHWESTERN SUMNER COUNTY IN TENNESSEE

* UNTIL 145 PM CDT

* AT 114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 10 MILES SOUTHWEST OF GOODLETTSVILLE...OR ABOUT 6 MILES
  NORTHWEST OF NASHVILLE...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  NEAR GOODLETTSVILLE BY 130 PM CDT
  
DOPPLER RADAR INDICATED A TORNADO MAY FORM AT ANY TIME. TAKE COVER
NOW. ABANDON MOBILE HOMES AND VEHICLES. MOVE TO A BASEMENT...AN
INTERIOR ROOM OR HALLWAY...ON THE LOWEST FLOOR.

&&

LAT...LON 3625 8707 3612 8691 3643 8648 3660 8669

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 9:32 AM CDT	Severe Thunderstorm Warning	OHX	Giles	28 min
Apr 6, 12:15 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, White	45 min
Apr 6, 12:58 PM CDT	Severe Thunderstorm Warning	OHX	Perry	47 min
Apr 6, 1:05 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson	40 min
Apr 6, 1:25 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys	35 min
Apr 6, 1:35 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	40 min
Apr 6, 1:40 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	50 min
Apr 6, 1:50 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	40 min
Apr 6, 2:14 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham	46 min
Apr 6, 2:32 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	43 min
Apr 6, 2:48 PM CDT	Flash Flood Warning	OHX	Davidson	117 min
Apr 6, 3:01 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Sumner, Wilson	44 min

Nearby

Tornado Warnings in Tennessee, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.