Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 308, NWS Atlanta, GA

August 21, 1990Hart County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 21, 1990, 9:05 PM EDT for Hart County, Georgia. It was in force for 55 min. 1 report 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, 9:05 PM EDT (01:05 UTC)
Expired: Aug 21, 1990, 10:00 PM EDT
In force: 55 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Hart 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

Time	Report	Where	Remark
Aug 21, 9:15 PM EDT	Thunderstorm Wind 0	Hart, 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, 1.1 hours before the alert went out and 54 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 220105
SVRAHN
GAC147-220200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
905 PM EDT TUE AUG 21 1990
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST GEORGIA
 
   ...HART COUNTY
 
AT 9 PM EDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR IN
EAST HART COUNTY OF NORTHEAST GEORGIA. THIS STORM WAS MOVING
EAST AT 15 MILES AN HOUR. THE STORM SHOULD BE ENTERING THE
CITY OF HARTWELL WITHIN THE NEXT 30 MINUTES.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...[AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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

Local storm report, Aug 21, 7:09 PM EDT, 1 hour 56 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, 1 hour 48 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, 1 hour 47 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, 1 hour 46 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, 1 hour 4 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.

Special weather statement, Aug 21, 8:37 PM EDT, 28 minutes before

GAZ005-ALZ012
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
835 PM EDT TUE AUG 21 1990

...THUNDERSTORMS RUMBLING THROUGH PARTS OF COLUMBUS...

AT 833 PM EDT  COLUMBUS WEATHER RADAR INDICATED THUNDERSTORMS IN AND
NEAR COLUMBUS AND FORT BENNING IN WEST CENTRAL GEORGIA...AND NEAR PHENIX
CITY IN EAST CENTRAL ALABAMA. MOVEMENT WAS SOUTHEAST AT 5 MPH.

THESE STORMS ARE CAPABLE OF VERY HEAVY RAINFALL...GUSTY WINDS...AND
SMALL HAIL. RESIDENTS OF MUSCOGEE COUNTY...AS WELL AS THE SURROUNDING
COUNTIES...SHOULD BE ON THE ALERT FOR THE NEXT HOUR OR SO UNTIL THESE
STORMS PASS. BE ESPECIALLY ALERT TO THE DANGERS OF LIGHTNING...WEATHERS
MOST UNDERRATED KILLER. DO NOT BUSE TELEPHONES OR ELECTRICAL APPLIANCES
UNLESS IT IS AN EMERGENCY. IF DRIVING...DO NOT DRIVE THROUGH AREAS
WHERE WATER COVERS THE ROAD.

STAY TUNED TO COLUMBUS NOAA WEATHER RADIO STATION WXK-55 FOR THE LATEST
UP-TO-DATE WEATHER INFORMATION.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 8:01 PM EDT	Severe Thunderstorm Warning	FFC	Franklin, Stephens	59 min
Aug 22, 12:00 AM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe	60 min
Aug 22, 12:33 AM EDT	Severe Thunderstorm Warning	FFC	Columbia	42 min
Aug 22, 8:15 AM EDT	Severe Thunderstorm Warning	FFC	Baldwin	60 min
Aug 22, 5:04 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Pickens	56 min
Aug 22, 6:02 PM EDT	Severe Thunderstorm Warning	FFC	Forsyth	28 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1990 Every 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.