Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 119, NWS Atlanta, GA

July 5, 1992Bradley County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 5, 1992, 4:36 PM EDT for Bradley County, Tennessee. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jul 5, 1992, 4:36 PM EDT (20:36 UTC)
Expired
Jul 5, 1992, 5:30 PM EDT
In force
54 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, 8.6 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 1992-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 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 1992-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
97 J/kg
Mixed-layer CIN
-228 J/kg
Mixed-layer LCL
943 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
48 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 052040
SVRCHA
TNC011-052130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
436 PM EDT SUN JUL 5 1992
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST TENNESSEE
 
   ...BRADLEY COUNTY
 
AT 425 PM EDT WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER
EASTERN HAMILTON COUNTY OF SOUTHEAST TENNESSEE. THESE THUNDERSTORMS
WILL MOVE INTO BRADLEY COUNTY SOUTHEAST TENNESSEE SHORTLY.
 
THE THUNDERSTORMS ARE MOVING TOWARD THE EAST AT 30 MPH.
 
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, Jul 5, 2:46 PM EDT, 1 hour 50 minutes before
GAZ001-003-005-032030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
245 PM EDT SUN JUL 5 1992

...SEVERE THUNDERSTORM WATCH NUMBER 550 IS IN EFFECT FOR PARTS OF
   NORTHWEST AND WEST CENTRAL GEORGIA UNTIL 7PM EDT...

AT THIS TIME NO SEVERE WEATHER HAD MOVED INTO THE STATE...HOWEVER SEVERE
THUNDERSTORMS WERE SPREADING ACROSS MUCH OF NORTHERN ALABAMA AND CENTRAL
TENNESSEE.  THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MPH AND WILL
MOVE INTO NORTHWEST AND WEST CENTRAL GEORIGA WITHIN THE NEXT HOUR OR TWO.

AS THE THUNDERSTORMS MOVE INTO THE WESTERN PART OF THE STATE RESIDENTS
CAN EXPECT THE STRONGER THUNDERSTORMS TO CONTAIN HEAVY DOWNPOURS...GUSTY
WINDS...DANGEROUS LIGHT?NING AND POSSIBLY SOME HAIL.

BE PREPARED TO SEEK SAFETY SHOULD THREATING WEATHER APPEAR OR IF A WARNING
IS ISSUED.
Special weather statement, Jul 5, 3:52 PM EDT, 44 minutes before
GAZ001-003-005-032030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
345 PM EDT SUN JUL 5 1992

...SEVERE THUNDERSTORM WATCH NUMBER 550 CONTINUES IN EFFECT FOR
   PARTS OF NORTHWEST AND WEST CENTRAL GEORGIA UNTIL 7PM EDT...

AT 340 PM EDT NATIONAL WEATHER SERVICE RADAR IN ATLANTA WAS SHOWING
THUNDERSTORMS DEVELOPING OVER PARTS OF WESTERN GEORGIA.  THE
THUNDERSTORMS WERE LOCATED AHEAD OF A LINE OF SEVERE THUNDERSTORMS THAT
WERE LOCATED OVER SOUTHEAST TENNESSEE AND EASTERN ALABAMA.

THE STORMS IN ALABAMA HAVE A HISTORY OF DAMAGING WINDS IN EXCESS OF 55
MPH. THE THUNDERSTORMS IN GEORGIA WERE LOCATED BETWEEN CARROLLTON...LA
GRANGE ...AND NEWNAN.

NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE AT THIS
TIME...HOWEVER...RESIDENTS OF NORTHWEST AND WEST CENTRAL GEORGIA
...ESPECIALLY IN CHATOOGA...FLOYD...POLK...HARALSON AND CARROLL SHOULD
BE ON THE LOOKOUT FOR HEAVY DOWNPOURS...GUSTY WINDS...AND DANGEROmUS
LIGHTNING AS THESE STORMS MOVE TO THE EAST AT 30 MPH.  BE PREPARED TO
SEEK SAFETY SHOULD THREATING WEATHER APPEAR OR IF A WARNING IS ISSUED.

THESE STORMS WILL MOVE INTO THE ATLANTA AREA WITHIN THE NEXT COUPLE OF
HOURS.
Special weather statement, Jul 5, 4:31 PM EDT, 5 minutes before
GAZ005-ALZ012-052230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
429 PM EDT SUN JUL 5 1992

...SEVERE THUNDERSTORM WATCH NUMBER 550 REMAINS IN EFFECT
FOR HARRIS COUNTY GEORGIA AND MOST OF EAST CENTRAL ALABAMA
INCLUDING LEE AND RUSSELL COUNTIES UNTIL 7PM EDT...

AT 420 PM EDT COLUMBUS WEATHER RADAR WAS SHOWING SEVERAL
STRONG THUNDERSTORMS ALONG THE LEADING EDGE OF RAIN
OCCURRING FROM 10 MILES WEST OF TALLASSEE TO 12 MILES NORTH
OF TALLASEEE ON THE SHORES OF LAKE MARTIN. THESE STORMS WERE
MOVING EAST AT 30 MILES AN HOUR. THESE STORMS WILL BE MOVING
INTO THE WESTERN PORTIONS OF LEE AND RUSSELL COUNTIES ALABAMA
WITHIN AN HOUR.

PERSONS IN EAST CENTRAL ALABAMA AND WESTo CENTRAL GEORGIA SHOULD
REMAIN ALERT AND BE READY TO QUICKLY MOVE TO A SAFE SHELTER WHEN
THESE STORMS COME NEAR. LISTEN TO NOAA WEATHER RADIO OR OTHER
NEWS MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 3:50 PM EDTSevere Thunderstorm WarningFFCBledsoe, Rhea40 min
Jul 5, 4:15 PM EDTSevere Thunderstorm WarningFFCHamilton, Meigs45 min
Jul 5, 4:59 PM EDTSevere Thunderstorm WarningFFCMcMinn, Polk46 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.