Alert archive / Georgia / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 273, NWS Atlanta, GA

August 31, 1994Catoosa County, Georgia; Hamilton County, Tennessee

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 31, 1994, 5:45 PM EDT for Catoosa County, Georgia; Hamilton County, Tennessee. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Aug 31, 1994, 5:45 PM EDT (21:45 UTC)
Expired
Aug 31, 1994, 6:30 PM EDT
In force
45 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Catoosa County, GA, Hamilton County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.8 hours before the alert went out and 178 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 1994-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 366 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 1994-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
366 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
937 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCHA 312146 RRA
SVRCHA
GAC047-TNC065-312230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
545 PM EDT WED AUG 31 1994
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...NORTHERN CATOOSA COUNTY
 
 
IN SOUTHEAST TENNESSEE
 
   ...SOUTHERN HAMILTON COUNTY
 
AT 543 PM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN
NORTHERN CATTOOSA COUNTY IN UPPER NORTHWEST GEORGIA AND IN
EXTREME SOUTHERN HAMILTON COUNTY IN SOUTHEAST TENNESSEE.
 
THE STORM WAS MOVING TO THE EAST NORTHEAST AT 25 MPH.
 
THE WALKER COUNTY GEORGIA 911 CENTER REPORTED TREES AND POWER
LINES BLOWN DOWN BY STRONG 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.

Nearby

Severe Thunderstorm Warnings in Georgia, 1994Severe Thunderstorm Warnings in Tennessee, 1994Every severe thunderstorm warning in 1994

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.