Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 325, NWS Atlanta, GA

August 29, 1990Lumpkin County, Union County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 29, 1990, 6:53 PM EDT for Lumpkin County, Union County, Georgia. It was in force for 37 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 29, 1990, 6:53 PM EDT (22:53 UTC)
Expired
Aug 29, 1990, 7:30 PM EDT
In force
37 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Lumpkin County, GA, Union County, GA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Aug 29, 7:15 PM EDTThunderstorm Wind 0Union, GA
Aug 29, 7:35 PM EDTThunderstorm Wind 0Lumpkin, GA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 10.9 hours before the alert went out and 105 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 1990-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1950 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 1990-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1950 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1380 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
20 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 KAHN 292253
SVRAHN
GAC187-291-300000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
653 PM EDT WED AUG 29 1990
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST GEORGIA
 
   ...LUMPKIN COUNTY...UNION COUNTY
 
AT 645 PM EDT THE ATHENS RADAR INDICATED A SEVERE THUNDERSTORM ABOUT
10 MILES SOUTH OF BLUE RIDGE GEORGIA. THIS STORM WAS MOVING SOUTHEAST
AT 30 MILES AN HOUR. PERSONS IN UNION AND LUMPKIN COUNTIES OF
NORTHEAST GEORGIA SHOULD BEGIN PREPARING FOR SEVERE WEATHER AS THESE
STORMS APPROACH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPsLE 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, Aug 29, 5:12 PM EDT, 1 hour 41 minutes before
GAZ008-011-292315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
511 PM EDT WED AUG 29 1990

A FEW VERY STRONG THUNDERSTORMS WERE IN SOUTHWEST GEORGIA
OCCURRING IN AN AREA OF RAIN FROM 5 MILES SOUTHEAST OF
SYLVESTER TO 14 MILES SOUTHEAST OF MOULTRIE. THE STRONGEST
THUNDERSTORMS WERE JUST NORTH AND SOUTH OF BRIDGEBORO AND
4 MILES SOUTHEAST OF DOERUN, THESE STORMS WERE MOVING SLOWLY
NORTHWEST.

THE COLQUITT COUNTY EMA HAS REPORTED SMALL HAIL AND STRONG
GUSTY WINDS WITH THESE STORMS..ALSO A HOUSE TRAILER WAS
REPORTED BLOWN OVER NEAR DOERUN. PERSONS NEAR THESE STORMS
SHOULD BE READY TO TAKE PROTECTIVE ACTION. DANGEROUS LIGHTNING
AND VERY HEAVY RAIN WILL ALSO ACCOMPANY THESE STORMS. LISTEN TO
NOA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Aug 29, 6:34 PM EDT, 19 minutes before
GAZ002-004-292330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
630 PM EDT WED AUG 29 1990

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL COUNTIES
OF NORTHEAST GEORGIA UNTIL 1000 PM EDT.

A BAND OF STRONG THUNDERSTORMS...25 MILES WIDE...EXTENDS FROM
NEAR CHATTANOOGA TENNESSEE TO BREVARD NORTH CAROLINA. THIS BAND
WAS ALONG AND JUST NORTH OF THE GEORGIA STATE LINE. THIS
BAND OF STORMS WILL BE MOVING INTO NORTHEcAST GEORGIA DURING
THE NEXT HOUR.

THESE STORMS WERE MOVING TO THE SOUTHEAST 35 MPH ACCOMPANIED
BY VERY HEAVY RAINS...STRONG GUSTY WINDS...FREQUENT LIGHTNING
AND POSSIBLE HAIL.
Special weather statement, Aug 29, 6:49 PM EDT, 4 minutes before
GAZ008-011-292345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
647 PM EDT WED AUG 29 1990

A SEVERE THUNDERSTORM WARNING WAS ISSUED BY TALLAHASSEE
FLORIDA WEATHER FOR SEMINOLE COUNTY UNTIL 7 PM EDT.

AT 645 PM EDT COLUMBUS WEATHER RADAR WAS SHOWING SEVERAL VERY STRONG
THUNDERSTORMS IN EXTREME SOUTHWEST GEORGIA NEAR THE STATE LINE. THESE
STORMS WERE IN EARLY COUNTY JUST WEST OF BLAKELY AND THE STRONGER
STORM 7 MILES SOUTHWEST OF BLAKELY TO THE SEVERE THUNDERSTORM IN
SEMINOLE COUNTY NEAR DONALDSONVILLE. THESE STORMS WERE MOVING
LITTLE.

PERSONS NEAR THESE STORMS IN EARLY COUNTY CAN EXPECT MARBLE SIZE
HAIL..DANGEROUS LIGHTNING..STRONG GUSTY WINDS TO 40 MPH AND
SOME HEjAVY RAIN. DUE TO THE SLOW MOPVEMENT OF THESE STORMS..
SOME LOCAL FLOODING MAY OCCUR ALONG ROADS AND SMALL STREAMS.
YOU SHOULD SEEK SHELTER WHEN THESE STORMS COME NEAR. LISTEN
TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 6:04 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Murray56 min
Aug 29, 6:04 PM EDTSevere Thunderstorm WarningFFCPickens56 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.