Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 93, NWS Atlanta, GA

May 19, 1993Meriwether County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 19, 1993, 9:06 AM EDT for Meriwether County, Georgia. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
May 19, 1993, 9:06 AM EDT (13:06 UTC)
Expired
May 19, 1993, 10:00 AM EDT
In force
54 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Meriwether County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 1.1 hours before the alert went out and 164 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, Athens Municipal, GA at 12:00Z on 1993-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 502 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, Athens Municipal, GA at 12:00Z on 1993-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
502 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 191307
SVRATL
GAC199-191400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
906 AM EDT WED MAY 19 1993
 
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL GEORGIA
 
   ...MERIWETHER COUNTY
 
AT 905 AM EST...NATIONAL WEATHER SERVICE RADARS INDICATED A STRONG
THUNDERSTORM WAS OCCURRING OVER MERIWETHER COUTNY NEAR GREENVILLE.
THIS THUNDERSTORM WAS MOVING EAST AT NEAR 35 MILES AN HOUR.  HAIL WAS
INDICATED BY RADAR WITH THIS STORM.
 
 
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.

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, May 19, 4:34 AM EDT, 4 hours 32 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-190930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
430 AM EDT WED MAY 18 1993

A LINE OF THUNDERSTORMS SOME WITH VERY HEAVY RAIN STRONG
GUSTY WINDS AND SMALL HAIL WAS ACROSS NORTH GEORGIA FROM
BETWEEN CARROLLTON AND NEWNAN TO NEAR LAKE HARTWELL.

THE STRONGEST STORM IN THIS LINE WAS IN SOUTHERN GWINNETT COUNTY
MOVING EAST NORTHEAST TOWA0RD THE NORTHERN PART OF WALTON COUNTY
AND THE SOUTHERN PART OF BARROW COUNTY .  THIS STORM IS THE ONE
MOST LIKELY TO CONTAIN HAIL.
Special weather statement, May 19, 5:29 AM EDT, 3 hours 37 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-191030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
530 AM EDT WED MAY 18 1993

A FEW THUNDERSTORMS WERE SCATTERED IN NORTHEAST GEORGIA
WITHIN AN AREA BOUNDED BY MONROE WINDER AND ATHENS.

ONE OTHER THUNDERSTORM WAS BETWEEN COMMERCE AND LAKE HARTWELL.
ALL OF THESE STORMS WERE PRODUCING BRIEF VERY HEAVY RAIN
AND SOME OF THE STORMS HAD SMALL HAIL.

OTHER THUNDERSTORMS WERE IN NORTHWEST GEORGIA AROUND ATLANTA
AND BETWEEN ATLANTA AND LAWRENCEVILLE.

MOVEMENT NORTHEAST AT  35 MILES AN HOUR.
Special weather statement, May 19, 7:50 AM EDT, 1 hour 16 minutes before
GAZ004-191345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
750 AM EDT WED MAY 19 1993

AT 745 AM EDT...THUNDERSTORMS WITH HEAVY RAINFALL AND SOME WITH HAIL WAS
MOVING ACROSS NORTH GEORGIA AND WILL BE MOVING INTO NORTHEAST GEORGIA
WITHIN AN HOUR. PERSONS IN WALTON...BARROW AND JACKSON COUNTIES OF
NORTHEAST GEORGIA SHOULD BE ALERT FOR THREATENING WEATHER FOR THE NEXT
2 HOURS.

BRIEF HEAVY RAINFALL...CLOUD TO GROUND LIGHTNING...BRIEF GUSTY SURFACE
WINDS AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
Special weather statement, May 19, 7:51 AM EDT, 1 hour 15 minutes before
GAZ004-191345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
750 AM EDT WED MAY 19 1993

AT 745 AM EDT...THUNDERSTORMS WITH HEAVY RAINFALL AND SOME WITH HAIL WAS
MOVING ACROSS NORTH GEORGIA AND WILL BE MOVING INTO NORTHEAST GEORGIA
WITHIN AN HOUR. PERSONS IN WALTON...BARROW AND JACKSON COUNTIES OF
NORTHEAST GEORGIA SHOULD BE ALERT FOR THREATENING WEATHER FOR THE NEXT
2 HOURS.

BRIEF HEAVY RAINFALL...CLOUD TO GROUND LIGHTNING...BRIEF GUSTY SURFACE
WINDS AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 7:36 AM EDTSevere Thunderstorm WarningFFCDeKalb, Fulton54 min
May 19, 8:20 AM EDTSevere Thunderstorm WarningFFCBarrow, Walton40 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1993Every severe thunderstorm warning in 1993

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.