Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 9, NWS Nashville, TN

May 12, 1992Stewart County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 12, 1992, 5:16 PM CDT for Stewart County, Tennessee. It was in force for 59 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 12, 1992, 5:16 PM CDT (22:16 UTC)
Expired
May 12, 1992, 6:15 PM CDT
In force
59 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Stewart County, TN

What was reported inside it

TimeReportWhereRemark
May 12, 5:45 PM CDTHail 1Stewart, TN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.3 hours before the alert went out and 99 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, Paducah/Barkley, KY at 12:00Z on 1992-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 300 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, Paducah/Barkley, KY at 12:00Z on 1992-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.193958Sfc1 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
300 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
801 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
103 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 122217
SVRBNA
TNC161-122315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
516 PM CDT TUE MAY 12 1992
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN MIDDLE TENNESSEE
 
   ...STEWART COUNTY
 
WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN WESTERN
STEWART COUNTY OF NORTHWEST MIDDLE TENNESSEE AT 510 PM CDT.
MOVEMENT WAS EAST AT 20 MILES AN HOUR.
 
THIS STORM WILL MOVE EAST ACROSS STEWART COUNTY DURING THE NEXT
HOUR PRODUCING DAMAGING WINDS...LARGE HAIL AND FREQUENT LIGHTNING
STRIKES IN ITS PATH.
 
IF YOU LIVE IN MONTGOMERY COUNTY...STAY TUNED TO NOAA WEATHER RADIO
FOR FURTHER UPDATES AS A WARNING MAY BE NEEDED AS THIS STORM
APPROACHES.
 
 
 
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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 12, 4:54 PM CDT, 22 minutes before
TNZ006-007-008-009-010-011-122300-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
451 PM CDT TUE MAY 12 1992

...UNSTABLE AIRMASS OVER MIDDLE TENNESSEE AND SOUTHERN KENTUCKY...

AT 445 PM CDT WEATHER SERVICE RADAR AND SATELLITE WERE SHOWING
STRONG THUNDERSTORMS IN WESTERN KENTUCKY FROM THE LAND BETWEEN
THE LAKES TO 40 MILES SOUTHWEST OF EVANSVILLE INDIANA.  MOVEMENT
WAS NORTHEAST AT 25 MILES AN HOUR.  THUNDERSTORMS AND PATCHES OF
LIGHT RAIN WERE INDICATED OVER NORTH ALABAMA AND ALONG THE
CUMBERLAND PLATEAU FROM CROSSVILLE NORTHWARD.

THE ENVIRONMENT OVER MIDDLE TENNESSEE AND SOUTH CENTRAL KENTUCKY
HAS BECOME MORE UNSTABLE THIS AFTERNOON DUE TO HEATING AND
THUNDERSTORM ACTIVITY IS EXPECTED TO DEVELOPE IN WESTERN MIDDLE
TENNESSEE DURING THE NEXT 2 HOURS.

SOME OF THESE STORMS WILL LIKELY BE STRONG WITH GUSTY WINDS
SMALL HAIL AND FREQUENT LIGHTNING ACROSS MIDDLE TENNESSEE AND
SOUTHERN KENTUCKY.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AND WARNINGS
SHOULD THEY BECOME NECESSARY.

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 6:01 PM CDTSevere Thunderstorm WarningOHXMontgomery59 min
May 12, 6:29 PM CDTSevere Thunderstorm WarningOHXHumphreys61 min
May 12, 6:54 PM CDTTornado WarningOHXDickson, Humphreys36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.