Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 235, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 21, 1990, 6:03 PM EDT for Burke County, Screven County, Georgia; Allendale County, South Carolina. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1990, 6:03 PM EDT (22:03 UTC)
- Expired
- Jul 21, 1990, 6:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Burke County, GA, Screven County, GA, Allendale County, SC
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
Charleston AFB, SC (KCHS), launched 12:00Z, 10.1 hours before the alert went out and 155 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
- 1485 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 74 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 KAGS 212204 SVRAGS GAC033-251-SCC005-212245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUGUSTA GA 603 PM EDT SAT JUL 21 1990 THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL GEORGIA ...SOUTHEASTERN BURKE COUNTY...NORTHEASTERN SCREVEN COUNTY IN WEST CENTRAL SOUTH CAROLINA ...WESTERN ALLENDALE COUNTY AT 600 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN EAST CENTRAL GEROGIA ALONG THE BURKE-SCREVEN COUNTY LINE. THIS STORM IS MOVING EAST AT 15 MPH AND WILL BE MOVING INTO WESTERN ALLENDALE COUNTY SOUTH CAROLINA. 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. HEAfVY 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 21, 2:47 PM EDT, 3 hours 16 minutes before
GAZ002-004-212245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 246 PM EDT SAT JUL 21 1990 THUNDERSTORMS INCREASING OVER THE MOUNTAIN AREAS OF NORTHEAST GEORGIA AT THIS TIME AND ARE EXPECTED TO BECOME SCATTERED TROUGHOUT NORTHEAST GEORGIA BY LATER TODAY. THE LARGER STORMS COULD PRODUCE BRIEF GUSTY WINDS WITH VERY HEAVY DOWNPOURS AND CLOUD TO GROUND LIGHTNING. MOVEMENT OF THE STORMS WILL BE TO THE EAST AT 10 TO 15 MPH. SHOULD YOU NOTE ANY STORMS IN YOUR AREA SEEK SHELTER UNTIL THEY PASS. ...REMEMBER THAT LIGHTNING IS A KILLER...
Nearby
Severe Thunderstorm Warnings in Georgia, 1990Severe Thunderstorm Warnings in South Carolina, 1990Every severe thunderstorm warning in 1990
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.