Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 39, NWS Atlanta, GA

March 19, 1992Marion County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 19, 1992, 11:46 AM CST for Marion County, Tennessee. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Mar 19, 1992, 11:46 AM CST (17:46 UTC)
Expired
Mar 19, 1992, 12:30 PM CST
In force
44 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Marion County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.8 hours before the alert went out and 142 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 1992-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 209 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 1992-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
209 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
812 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
110 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 KCHA 191747
SVRCHA
TNC115-191830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
1246 PM EST (1146 AM CST) THU MAR 19 1992
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 PM EST (1230 PM CST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST TENNESSEE
 
   ...NORTHERN MARION COUNTY
 
AT 1245 PM EDT...THE CHATTANOOGA WEATHER RADAR INDICATED A SEVERE
THUNDERSTORM IN NORTHWEST MARION COUNTY.
 
THE STORM IS MOVING TO THE EAST...TOWARD WHITWELL.
 
THE STORM WILL LIKELY CONTAIN LARGE HAIL AND POSSIBLY DAMAGING
WINDS.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
}

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 19, 11:37 AM CSTSevere Thunderstorm WarningFFCPolk53 min
Mar 19, 12:07 PM CSTSevere Thunderstorm WarningFFCHamilton53 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.