Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 4, NWS Nashville, TN

March 9, 1992Coffee County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 9, 1992, 11:19 PM CST for Coffee County, Tennessee. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Mar 9, 1992, 11:19 PM CST (05:19 UTC)
Expired
Mar 10, 1992, 12:15 AM CST
In force
56 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Coffee County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.3 hours before the alert went out and 85 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 1992-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 1992-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
48 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
949 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
294 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 100520
SVRBNA
TNC031-100615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1119 PM CST MON MAR 9 1992
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN MIDDLE TENNESSEE
 
   ...COFFEE COUNTY
 
RADAR INDICATES A LINE OF SEVERE THUNDERSTORMS MOVING INTO COFFEE
COUNTY. THESE STORMS HAVE HEAVY RAIN...STRONG WINDS AND ARE CAPABLE OF
PRODUCING HAIL. THE STORMS ARE MOVING NORTHEAST AT 40 MILES AN HOUR.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 10:19 PM CSTSevere Thunderstorm WarningOHXGiles56 min
Mar 10, 2:02 AM CSTSevere Thunderstorm WarningOHXWarren28 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1992Every severe thunderstorm warning in 1992

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.