Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 62, NWS Atlanta, GA

April 15, 1992Bradley County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 15, 1992, 4:14 PM EDT for Bradley County, Tennessee. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1992, 4:14 PM EDT (20:14 UTC)
Expired
Apr 15, 1992, 5:00 PM EDT
In force
46 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Bradley County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.2 hours before the alert went out and 191 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 1992-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 85 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 1992-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 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
85 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1444 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
83 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 152016
SVRCHA
TNC011-152100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
414 PM EDT WED APR 15 1992
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST TENNESSEE
 
   ...BRADLEY COUNTY
 
AT 410 PM EDT LARGE HAIL WAS REPORTED OVER EASTERN CLEVELAND
TENNESSEE.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, Apr 15, 2:35 PM EDT, 1 hour 39 minutes before
GAZ002-004-152230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
233 PM EDT WED APR 15 1992

...SCATTERED STRONG THUNDERSTORMS FORMING OVER NORTHEAST GEORGIA...

AT 225 PM EDT...THE NATIONAL WEATHER SERVICE RADAR AT ATHENS GEORGIA
INDICATED SCATTERED STRONG THUNDERSTORMS FORMING OVER NORTHEAST
GEORGIA MAINLY NORTH OF INTERSTATE HIGHWAY 85.  PEA SIZE HAIL WAS
PRODUCED BY ONE OF THESE THUNDERSTORMS OVER WESTERN HABERSHAM COUNTY.

THESE STORMS MAY PRODUCE SMALL HAIL...DANGEROUS LIGHTNING AND BRIEF
HEAVY RAINFALL AS THEY FORM AND MOVE SLOWLY TO THE NORTHEAST IN THE
HOT AIRMASS OVER NORTHEAST GEORGIA THIS AFTERNOON.

PRESONS IN NORTHEAST GEORGIA ARE ADVISED TO PAY CLOSE ATTENTION TO
CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF
SAFETY AT THE FIRST SIGN OF AN APPROACHING THUNDERSTORM.

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.