Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 6, NWS Atlanta, GA

February 26, 1992Coweta County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 26, 1992, 12:45 AM EST for Coweta County, Georgia. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Feb 26, 1992, 12:45 AM EST (05:45 UTC)
Expired
Feb 26, 1992, 1:15 AM EST
In force
30 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Coweta County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 5.8 hours before the alert went out and 151 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 1992-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 208 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 1992-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939587897117Sfc1 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
208 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 260547
SVRATL
GAC077-260615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA  GA
1245 AM EST WED FEB 26 1992
 
THE NATIONAL WEATHER SERVICE IN ATLANTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  115 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...COWETA COUNTY
 
AT 1242 AM EST RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF
NEWNAN MOVING EAST NORTHEAST AT 40 MILES AN HOUR. STRONG WINDS AND
HAIL WERE REPORTED WITH THIS STORM AS IT PASSED THROUGH FRANKLIN
GEORGIA AROUND 1230 AM EST.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND V'ERY 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, Feb 25, 10:50 PM EST, 1 hour 55 minutes before
GAZ001-002-003-005-260530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
1051 PM EST TUE FEB 25 1992

AT 1045 PM EST SHOWERS AND SCATTERED THUNDERSTORMS HAD INCREASED
IN COVERAGE OVER NORTHWEST GEORGIA. THE AREA OF SHOWERS AND THUNDER-
STORMS EXTENDED FROM LA GRANGE AND THOMASTON NORTH TO AROUND ROME...
CARTERSVILLE AND JASPER. A FEW OF THE STRONGER THUNDERSTORMS ARE
CAPABLE OF PRODUCING STRONG GUSTY WINDS AND SMALL HAIL ALONG WITHz
DANGEROUS LIGHTNING.

THE STORMS WERE MOVING NORTHEAST AT 40 MPH.

PEOPLE IN NORTHWEST GEORGIA SHOULD BE ON THE LOOKOUT AS THESE STORMS
MOVE THROUGH THE AREA AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.
Special weather statement, Feb 25, 11:37 PM EST, 1 hour 8 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-260700-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
1135 PM EST TUE FEB 25 1992

...STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING INTO
   NORTHEAST GEORGIA...

AT 1130 PM EST RADAR INDICATED SCATTERED SHOWERS AND A FEW
STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA AND WILL BE MOVING
ACROSS NORTHEAST GEORGIA DURING THE NEXT COUPLE OF4 HOURS.

THE STRONGEST THUNDERSTORMS WERE LOCATED JUST WEST OF ATLANTA
AND JUST NORTH OF GRIFFIN. MOVEMENT NORTHEAST AT 40 MILES AN HOUR.

THUNDERSTORMS WILL BE CAPABLE OF VERY HEAVY RAIN...GUSTY WINDS...
AND POSSIBLE SMALL HAIL.
Special weather statement, Feb 26, 12:34 AM EST, 11 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-260700-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
1230 AM EST WED FEB 26 1992

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 6AM EST
   THIS WED MORNING FOR PORTIONS OF NORTH AND CENTRAL GEORGIA.

AT 1230 AM EST WEATHER RADAR INDICATED STRONG THUNDERSTORMS
SCATTERED IN NORTH GEORGIA NORTH OF A LAGRANGE TO GRIFFIN TO
MILLEDGEVILLE LINE.  THESE STORMS WERE MOVING NORTHEAST AT
45 MILES AN HOUR.

PEOPLE IN NORTHEAST SHOULD REMAIN ALERT FOR THESE STORMS AS
SOME OF THESE STORMS MAY BECOME SEVERE.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 11:06 PM ESTSevere Thunderstorm WarningFFCFulton39 min
Feb 25, 11:25 PM ESTSevere Thunderstorm WarningFFCDeKalb, Fulton40 min
Feb 26, 12:23 AM ESTSevere Thunderstorm WarningFFCHeard37 min
Feb 26, 1:40 AM ESTSevere Thunderstorm WarningFFCHenry, Rockdale35 min
Feb 26, 1:50 AM ESTSevere Thunderstorm WarningFFCBarrow, Walton40 min
Feb 26, 3:45 AM ESTSevere Thunderstorm WarningFFCButts, Spalding45 min
Feb 26, 4:07 AM ESTSevere Thunderstorm WarningFFCJasper68 min
Feb 26, 4:43 AM ESTSevere Thunderstorm WarningFFCPutnam32 min
Feb 26, 4:49 AM ESTSevere Thunderstorm WarningFFCGreene, Taliaferro56 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1992Every severe thunderstorm warning in 1992

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.