Alert archive / Tennessee / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Nashville, TN

March 31, 1993Wilson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 31, 1993, 3:29 PM CST for Wilson County, Tennessee. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Mar 31, 1993, 3:29 PM CST (21:29 UTC)
Expired
Mar 31, 1993, 4:30 PM CST
In force
61 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Wilson County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.5 hours before the alert went out and 27 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 1993-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 12:00Z on 1993-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 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
25 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
40 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 
TTAA00 KBNA 312132
SVRBNA
TNC189-312230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
329 PM CST WED MAR 31 1993
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN MIDDLE TENNESSEE
 
   ...WILSON COUNTY
 
AT 330 PM A SEVERE THUNDERSTORM WAS LOCATED NEAR MT. JULIET IN WESTERN
WILSON COUNTY. THIS STORM HAD PRODUCED MARBLE SIZE HAIL AND DANGEROUS
WIND GUSTS. THE STORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 11:41 AM CSTSevere Thunderstorm WarningOHXRobertson34 min
Mar 31, 12:28 PM CSTSevere Thunderstorm WarningOHXRobertson62 min
Mar 31, 12:51 PM CSTSevere Thunderstorm WarningOHXCheatham, Montgomery69 min
Mar 31, 1:06 PM CSTSevere Thunderstorm WarningOHXStewart69 min
Mar 31, 1:37 PM CSTSevere Thunderstorm WarningOHXPerry68 min
Mar 31, 2:46 PM CSTSevere Thunderstorm WarningOHXRobertson59 min
Mar 31, 2:51 PM CSTSevere Thunderstorm WarningOHXWilliamson69 min
Mar 31, 2:51 PM CSTSevere Thunderstorm WarningOHXSumner69 min
Mar 31, 3:20 PM CSTSevere Thunderstorm WarningOHXDavidson55 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1993Every severe thunderstorm warning in 1993

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.