Alert archive / Georgia / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 150, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 30, 1989, 2:19 PM EDT for Dade County, Walker County, Georgia; Hamilton County, Tennessee. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jul 30, 1989, 2:19 PM EDT (18:19 UTC)
- Expired
- Jul 30, 1989, 3:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Dade County, GA, Walker County, GA, Hamilton County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 6.3 hours before the alert went out and 177 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.
- Mixed-layer CAPE
- 1750 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 947 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCHA 301823
SVRCHA
GAC083-295-TNC065-301900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
219 PM EDT SUN JUL 30 1989
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST GEORGIA
...SOUTHERN DADE...WALKER
IN SOUTHEAST TENNESSEE
...SOUTHERN HAMILTON
AT 215PM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER
SOUTHERN DADE COUNTY MOVING INTO WALKER COUNTY BOTH IN EXTREME
NORTHWEST GEORGIA.
THE THUNDERSTORM WAS MOVING TOWARD THE EASTNORTHEAST AT AROUND
15 MPH AND MAY MOVE INTO EXTREME SOUTHERN HAMILTON COUNTY OF
SOUTHEAST TENNESSEE SHORTLY AS WELL AS CATOOSA COUNTY
GEORGIA.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO A~N 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.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 30, 12:49 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 1245 PM EDT SUN JUL 30 1989 ...THUNDERSTORMS DEVELOPING IN EAST CENTRAL ALABAMA AND WEST GEORGIA... AT 1240 PM EDT COLUMBUS WEATHER RADAR INDICATED SHOWERS AND A FEW THUNDERSTORMS DEVELOPING OVER WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA...INCLUDING THE COLUMBUS METROPOLITAN AREA. THE LARGER STORMS WERE NEAR WOODLAND GEORGIA AND FORT MITCHELL ALABAMA...JUST SOUTH OF PHENIX CITY. MOVEMENT WAS NORTHEAST AT 10 MPH. PEOPLE IN THE PATH OF THESE THUNDERSTORMS SHOULD BE ALERT FOR THREATENING WEATHER FOR THE NEXT HOUR OR SO...AND BE READY TO TAKE SHELTER IF NECESSARY. IN ADDITION TO HEAVY RAINFALL...THE STORMS WILL LIKELY CONTAIN DANGEROUS CLOUD TO GROUND LIGHTNING...STRONG GUSTY WINDS AND POSSIBLE SMALL HAIL. PLEASE CONTINUE TO LISTEN TO NOAA WEATHER RADIO OR OTHER LOCAL TELEVISION AND RADIO STATIONS FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
Nearby
Severe Thunderstorm Warnings in Georgia, 1989Severe Thunderstorm Warnings in Tennessee, 1989Every severe thunderstorm warning in 1989
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.