Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 331, NWS Nashville, TN

October 25, 1997Lincoln County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Oct 25, 1997, 2:43 AM CDT for Lincoln County, Tennessee. It was in force for 47 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
Oct 25, 1997, 2:43 AM CDT (07:43 UTC)
Expired
Oct 25, 1997, 3:30 AM CDT
In force
47 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Lincoln County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 7.7 hours before the alert went out and 110 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 00:00Z on 1997-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 198 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 1997-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 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
198 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
537 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
295 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBNA 250743 RRA
SVRBNA
TNC103-250830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
243 AM CDT SAT OCT 25 1997
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN MIDDLE TENNESSEE
 
   ...LINCOLN COUNTY
 
AT 240 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES
WEST OF FAYETTEVILLE...JUST NORTH OF DELLROSE. MOVEMENT WAS EAST AT 25
MILES AN HOUR AND THIS STORM WILL PASS THROUGH FAYETTEVILLE BY 300 AM
AND TO BETWEEN KELSO AND MULBERRY BY 310 AM. LARGE HAIL IS LIKELY WITH
THIS STORM.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
&
CBD

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 11:48 PM CDTSevere Thunderstorm WarningOHXWayne57 min
Oct 25, 12:02 AM CDTSevere Thunderstorm WarningOHXFranklin28 min
Oct 25, 12:29 AM CDTSevere Thunderstorm WarningOHXGrundy31 min
Oct 25, 12:44 AM CDTSevere Thunderstorm WarningOHXGiles46 min
Oct 25, 1:05 AM CDTSevere Thunderstorm WarningOHXCoffee40 min
Oct 25, 1:31 AM CDTSevere Thunderstorm WarningOHXGrundy44 min
Oct 25, 1:34 AM CDTSevere Thunderstorm WarningOHXGiles41 min
Oct 25, 1:46 AM CDTSevere Thunderstorm WarningOHXLincoln, Marshall44 min
Oct 25, 3:03 AM CDTSevere Thunderstorm WarningOHXMarion42 min
Oct 25, 6:31 AM CDTSevere Thunderstorm WarningOHXCheatham29 min
Oct 25, 7:17 AM CDTSevere Thunderstorm WarningOHXDavidson28 min
Oct 25, 7:30 AM CDTSevere Thunderstorm WarningOHXLincoln30 min
Oct 25, 7:49 AM CDTSevere Thunderstorm WarningOHXWilson26 min
Oct 25, 7:59 AM CDTSevere Thunderstorm WarningOHXFranklin31 min
Oct 25, 8:17 AM CDTSevere Thunderstorm WarningOHXGrundy43 min
Oct 25, 9:03 AM CDTSevere Thunderstorm WarningOHXBledsoe42 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm warning in 1997

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.