Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 496, NWS Atlanta, GA

October 25, 1997Coweta County, Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Oct 25, 1997, 4:24 PM EDT for Coweta County, Troup County, Georgia. It was in force for 36 min. 3 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
Oct 25, 1997, 4:24 PM EDT (20:24 UTC)
Expired
Oct 25, 1997, 5:00 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Coweta County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 36 km from the middle of the area, began a volume at 20:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Oct 25, 4:50 PM EDTHail 1Hogansville, GAThe public reported quarter size hail on Blue Creek road.
Oct 25, 4:52 PM EDTThunderstorm Wind 50 EGHogansville, GATroup county 911 reported 6 to 9 trees were knocked down by thunderstorm winds near the intersection of Highway 54 and Blue Creek road.
Oct 25, 4:58 PM EDTHail 1Moreland, GAThe public reported quarter size hail.

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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.4 hours before the alert went out and 42 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 989 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 1997-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.1939587897Sfc1 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
989 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
489 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.8
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 252027 RRA
SVRATL
GAC077-285-252100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
424 PM EDT SAT OCT 25 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...COWETA COUNTY
 
IN WEST CENTRAL GEORGIA
 
   ...NORTHEASTERN TROUP COUNTY
 
AT 422 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
5 MILES SOUTHWEST OF HOGANSVILLE MOVING NORTHEAST AT 30 MPH. THIS
THUNDERSTORM WILL BE MOVING ACROSS GRANTVILLE BY 430 PM AND MORELAND BY
445 PM.
 
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.
 
IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE
SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

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, Oct 25, 11:57 AM EDT, 4 hours 27 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-252200-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1157 AM EDT SAT OCT 25 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL
GEORGIA THIS AFTERNOON. THIS RISK AREA INCLUDES THE ATLANTA...ATHENS
COLUMBUS...AND MACON AREAS.

AN INTENSE LOW PRESSURE SYSTEM OVER THE SOUTHERN PLAINS IS DRAWING
CONSIDERABLE MOISTURE AND INSTABILITY FROM THE GULF OF MEXICO
NORTHWARD OVER THE SOUTHEASTERN U.S. A FRONTAL BOUNDARY OVER EXTREME
NORTH GEORGIA EARLY THIS AFTERNOON WILL ACT TO FOCUS STORMS THIS
AFTERNOON AS IT DRIFTS SLOWLY SOUTHWARD. STORMS DEVELOPING WITH THE
SYSTEM CAN PRODUCE HAIL AND GUSTY WINDS TO 60 MPH OR MORE.

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL NEED TO
MONITOR THE SITUATION THIS AFTERNOON FOR POSSIBLE ACTIVATION.
Special weather statement, Oct 25, 12:01 PM EDT, 4 hours 23 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-252200-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1157 AM EDT SAT OCT 25 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL
GEORGIA THIS AFTERNOON. THIS RISK AREA INCLUDES THE ATLANTA...ATHENS
COLUMBUS...AND MACON AREAS.

AN INTENSE LOW PRESSURE SYSTEM OVER THE SOUTHERN PLAINS IS DRAWING
CONSIDERABLE MOISTURE AND INSTABILITY FROM THE GULF OF MEXICO
NORTHWARD OVER THE SOUTHEASTERN U.S. A FRONTAL BOUNDARY OVER EXTREME
NORTH GEORGIA EARLY THIS AFTERNOON WILL ACT TO FOCUS STORMS THIS
AFTERNOON AS IT DRIFTS SLOWLY SOUTHWARD. STORMS DEVELOPING WITH THE
SYSTEM CAN PRODUCE HAIL AND GUSTY WINDS TO 60 MPH OR MORE.

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL NEED TO
MONITOR THE SITUATION THIS AFTERNOON FOR POSSIBLE ACTIVATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 4:55 AM EDTSevere Thunderstorm WarningFFCCatoosa35 min
Oct 25, 6:59 AM EDTSevere Thunderstorm WarningFFCCherokee46 min
Oct 25, 7:25 AM EDTSevere Thunderstorm WarningFFCForsyth50 min
Oct 25, 7:40 AM EDTSevere Thunderstorm WarningFFCGwinnett, Hall35 min
Oct 25, 9:19 AM EDTSevere Thunderstorm WarningFFCDade, Walker41 min
Oct 25, 10:36 AM EDTSevere Thunderstorm WarningFFCGordon, Pickens54 min
Oct 25, 4:00 PM EDTSevere Thunderstorm WarningFFCHeard30 min
Oct 25, 4:45 PM EDTSevere Thunderstorm WarningFFCMeriwether30 min
Oct 25, 4:51 PM EDTTornado WarningFFCMeriwether24 min
Oct 25, 5:00 PM EDTSevere Thunderstorm WarningFFCFayette, Pike, Spalding30 min
Oct 25, 5:17 PM EDTSevere Thunderstorm WarningFFCCrisp43 min
Oct 25, 5:21 PM EDTTornado WarningFFCPike24 min
Oct 25, 5:34 PM EDTSevere Thunderstorm WarningFFCSpalding26 min
Oct 25, 6:15 PM EDTSevere Thunderstorm WarningFFCButts, Jasper45 min
Oct 25, 6:54 PM EDTSevere Thunderstorm WarningFFCPutnam36 min
Oct 25, 7:19 PM EDTSevere Thunderstorm WarningFFCBaldwin26 min
Oct 25, 7:44 PM EDTSevere Thunderstorm WarningFFCBaldwin, Hancock31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.