Alert archive / Tennessee / Tornado Warnings in 1998

Tornado Warning 150, NWS Nashville, TN

June 9, 1998Cannon County, Coffee County, Tennessee

NWS Nashville, TN issued this tornado warning at Jun 9, 1998, 4:28 PM CDT for Cannon County, Coffee County, Tennessee. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 9, 1998, 4:28 PM CDT (21:28 UTC)
Expired
Jun 9, 1998, 5:30 PM CDT
In force
62 min
Issued by
NWS Nashville, TN
Area
Whole counties

Counties Cannon County, TN, Coffee County, TN

The radar

The Nashville radar (KOHX), 80 km from the middle of the area, began a volume at 21:32 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, 9.5 hours before the alert went out and 72 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1998-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1998-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 585 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
658 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
585 m²/s²
0-3 km storm-relative helicity
571 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBNA 092128 RRA
TORBNA
TNC015-031-092230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
428 PM CDT TUE JUN 9 1998

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CANNON COUNTY IN MIDDLE TENNESSEE
  NORTHERN COFFEE COUNTY IN MIDDLE TENNESSEE

* UNTIL 530 PM CDT

* AT 415 PM CDT... THE PUBLIC INDICATED A TORNADO 10 MILES
NORTH NORTHWEST OF MANCHESTER...   MOVING EAST 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
HOLLOW SPRINGS AT 435 PM CDT

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:16 AM CDTFlash Flood WarningOHXRobertson, Sumner2 hr
Jun 9, 9:32 AM CDTFlash Flood WarningOHXTrousdale2 hr
Jun 9, 4:36 PM CDTTornado WarningOHXFranklin, Marion49 min
Jun 9, 5:03 PM CDTTornado WarningOHXBledsoe, Sequatchie47 min
Jun 9, 5:52 PM CDTSevere Thunderstorm WarningOHXWayne48 min
Jun 9, 6:18 PM CDTSevere Thunderstorm WarningOHXLawrence47 min

Nearby

Tornado Warnings in Tennessee, 1998Every tornado warning in 1998Tornadoes in 1998

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.