Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 307, NWS Atlanta, GA

August 21, 1990Franklin County, Stephens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 21, 1990, 8:01 PM EDT for Franklin County, Stephens County, Georgia. It was in force for 59 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 21, 1990, 8:01 PM EDT (00:01 UTC)
Expired
Aug 21, 1990, 9:00 PM EDT
In force
59 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Franklin County, GA, Stephens 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 21, 8:15 PM EDTThunderstorm Wind 0Stephens, GA
Aug 21, 8:30 PM EDTThunderstorm Wind 0Franklin, 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 00:00Z, 0.0 hours before the alert went out and 57 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 00:00Z on 1990-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2060 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 00:00Z on 1990-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939Sfc1 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
2060 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1374 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAHN 220001
SVRAHN
GAC119-257-220100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
801 PM EDT TUE AUG 21 1990
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST GEORGIA
 
   ...FRANKLIN COUNTY...STEPHENS COUNTY
 
AT 0756 PM EDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR JUST
SOUTH OF TOCCOA GEORGIA...IN STEPHENS COUNTY...MOVING EAST AT
ABOUT 5 MILES AN HOUR. ANOTHER SEVERE THUNDERSTORM WAS INDICATED
JUST NORTHWEST OF HOMER GEORGIA IN BANKS COUNTY.
 
 
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, Aug 21, 5:43 PM EDT, 2 hours 18 minutes before
GAZ002-004-212330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
535 PM EDT TUE AUG 21 1990

SEVERE THUNDERSTORM WATCH NUMBER 667 IS IN EFFECT UNTIL 1000 PM
EDT FOR PART OF NORTHEAST GEORGIA. THIS WATCH INCLUDES THE
COUNTIES OF BANKS...HALL...RABUN...WHITE...ELBERT...HART...STEPHENS
FRANKLIN...LUMPKIN...TOWNS...HABERSHAM...MADISON AND UNION.

A STRONG THUNDERSTORM WAS INDICATED OVER NORTHEAST GEORGIA NEAR
CRAWFORDVILLE. LITTLE MOVEMENT WAS NOTED.

ELSEWHERE...SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER NORTHERN
AND CENTRAL GEORGIA EXTENDING INTO THE ADJACENT AREAS OF EASTERN
ALABAMA...EASTERN TENNESSEE AND THE WESTERN CAROLINAS. THE STRONGEST OF
OF THESE] STORMS WERE NOTED ALONG THE NORTHERN ALABAMA...GEORGIA BORDER.
ALSO OTHER STRONG THUNDERSTORMS WERE DETECTED OVER THE CAROLINAS BETWEEN
ASHEVILLE AND COLUMBIA AND ANDERSON.
>
LITTLE MOVEMENT WAS INDICATED.
Local storm report, Aug 21, 7:09 PM EDT, 52 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA, GA
710 PM EDT TUE AUG 21 1990

COUNTY......  FLOYD   NEAR CAVE SPRING
SOURCE......  FLOYD COUNTY 911 DISPATCH
TIME........  630 PM EDT
TYPE STORM..  SEVERE THUNDERSTORM
              THREE LARGE TREES UPROOTED.
INJURIES...   NONE REPORTED.
Local storm report, Aug 21, 7:17 PM EDT, 44 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA, GA
715 PM EDT TUE AUG 21 1990

COUNTY......  NORTHEAST FAYETTE  NEAR INTERSECTION OF
              HIGHWAYS 314 AND 279
SOURCE......  PUBLIC THROUGH COUNTY SHERIFF
TIME........  707 PM EDT
TYPE STORM..  SEVERE THUNDERSTORM
              TREES DOWN.
INJURIES...   NONE REPORTED.
Local storm report, Aug 21, 7:18 PM EDT, 43 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA, GA
720 PM EDT TUE AUG 21 1990

COUNTY......  CLAYTON  SEVERAL AREAS
SOURCE......  COUNTY POLICE
TIME........  715 PM EDT
TYPE STORM..  SEVERE THUNDERSTORM
              TREES DOWN IN SEVERAL AREAS.
INJURIES...   NONE REPORTED.
Local storm report, Aug 21, 7:19 PM EDT, 42 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA, GA
720 PM EDT TUE AUG 21 1990

COUNTY......  GWINNETT     SEVERAL AREAS
SOURCE......  COUNTY EMERGENCY MANAGEMENT
TIME........  715 PM EDT
TYPE STORM..  SEVERE THUNDERSTORM
              TREES DOWN IN SEVERAL AREAS.
INJURIES...   NONE REPORTED.
Local storm report, Aug 21, 8:01 PM EDT, 0 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA, GA
800 PM EDT TUE AUG 21 1990

COUNTY......  CARROLL   IN CARROLLTON ON NEWNAN STREET
SOURCE......  OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEE
TIME........  AROUND 700 PM EDT
TYPE STORM..  SEVERE THUNDERSTORM
              VERY LARGE TREE LIMBS DOWN AND NUMEROUS
              POWER OUTAGES.
INJURIES...   NONE REPORTED.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 9:05 PM EDTSevere Thunderstorm WarningFFCHart55 min
Aug 22, 12:00 AM EDTSevere Thunderstorm WarningFFCOglethorpe60 min
Aug 22, 12:33 AM EDTSevere Thunderstorm WarningFFCColumbia42 min
Aug 22, 8:15 AM EDTSevere Thunderstorm WarningFFCBaldwin60 min
Aug 22, 5:04 PM EDTSevere Thunderstorm WarningFFCCherokee, Pickens56 min
Aug 22, 6:02 PM EDTSevere Thunderstorm WarningFFCForsyth28 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.