Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 357, NWS Atlanta, GA

July 4, 1997Dawson County, Lumpkin County, Pickens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 4, 1997, 7:37 PM EDT for Dawson County, Lumpkin County, Pickens County, Georgia. It was in force for 53 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
Jul 4, 1997, 7:37 PM EDT (23:37 UTC)
Expired
Jul 4, 1997, 8:30 PM EDT
In force
53 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Dawson County, GA, Lumpkin County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 130 km from the middle of the area, began a volume at 23:36 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
Jul 4, 7:45 PM EDTThunderstorm WindDahlonega, GASeveral trees were knocked down and power lines snapped by thunderstorm winds along Georgia Highway 52 as well as in the Dahlonega area. Winds were estimated at 55 to 63 mph..
Jul 4, 7:45 PM EDTThunderstorm WindDawsonville, GAA few trees and power lines were knocked down by thunderstorm winds.
Jul 4, 7:52 PM EDTThunderstorm WindJasper, GAAt least six trees were knocked down by thunderstorm winds. At least one tree was down on a house, however no damage to the home was reported.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 4, 5:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.6 hours before the alert went out and 128 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 1997-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 547 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 1997-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
547 J/kg
Mixed-layer CIN
-412 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
-52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 042338 RRA
SVRATL
GAC187-291-085-227-050030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
737 PM EDT FRI JUL 4 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST GEORGIA
 
   ...LUMPKIN COUNTY...UNION COUNTY
 
IN NORTHWEST GEORGIA
 
   ...DAWSON COUNTY...PICKENS COUNTY
 
AT 735 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SEVERE
THUNDERSTORM FROM 5 MILES EAST OF BLUE RIDGE IN FANIN COUNTY TO 10 MILES
SOUTH OF ELLIJAY IN GILMER COUNTY. THESE STORMS ARE GENERALLY MOVING TO
THE SOUTHEAST AT 20 TO 25 MPH. THIS WILL TAKE THE STORMS OVER THE CITIES
OF BLAIRSVILLE...DAHLONEGA AND JASPER AROUND 755 PM EDT. THESE STORMS
HAVE CAUSED DOWNED TREES AND POWER LINES AND DIME SIZED HAIL HAS BEEN
REPORTED.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS DANGER.
STAY INDOORS AND AWAY FROM WINDOWS. DON'T USE TELEPHONES OR
ELECTRICAL APPLIANCES, UNLESS IN AN EMERGENCY. IF BOATING OR
SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN FIND
A LOW SPOT AWAY FROM TREES, FENCES, AND POLES.
 
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, Jul 4, 3:59 PM EDT, 3 hours 38 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-050000-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
359 PM EDT FRI JUL 4 1997

THERE IS A SLIGHT RISK OF ISOLATED SEVERE THUNDERSTORMS OVER PORTIONS
OF NORTH AND EVEN CENTRAL GEORGIA THIS AFTERNOON AND EVENING. THIS
AREA IS GENERALLY NORTH OF A COLUMBUS...MACON...AGUSTA LINE. VERY
STRONG AND SEVERE THUNDERSTORMS IN SOUTHERN TENNESSEE AND EXTREME
NORTHWEST ALABAMA MAY CONTINUE TO DEVELOP AND MOVE TO THE
EAST...AFFECTING PORTIONS OF NORTH AND POSSIBLY CENTRAL GEORGIA.

A WARM AND VERY MOIST AIRMAS COMBINED WITH THE LIFTING FROM AN
APPROACHING FRONTAL SYSTEM AND PLENTY OF AFTERNOON HEATING WILL AID
IN MAKING THE AREA RIPE FOR THESE STRONG STORMS TO CONTINUE OVER THE
AREA. GIVEN THE SHALLOW LAYER OF MOISTURE IN THE GEORGIA ATMOSPHERE
AND THE DRYER MIDLEVELS...VERY STRONG DOWNBURST WINDS MAY BE POSSIBLE
WITH ANY THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING.

SPOTTERS SHOULD REMAIN ALERT IN CASE ACTIVATION IS NEEDED. EMERGENCY
MANAGEMENT PERSONNEL SHOULD MONITOR THE SITUATION BY BEING ALERT TO
FURTHER STATEMENTS...SHORT TERM FORECASTS...AND ANY WATCHES OR
WARNINGS ISSUED BY THIS OFFICE.

99
Special weather statement, Jul 4, 4:00 PM EDT, 3 hours 37 minutes before
GAZ001>166-050000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
400 PM EDT FRI JUL 4 1997

HOT TEMPERATURES ACROSS GEORGIA ARE EXPECTED TO MODERATE THE NEXT
COUPLE OF DAYS. WITH A RETURN TO MORE NORMAL TEMPERATURES AS WELL
AS SOMEWHAT LOWER HUMIDITIES THE HEAT INDEX IS EXPECTED TO REMAIN
BELOW 105 OVER MOST OF THE STATE SATURDAY. HOWEVER SOME AREAS OF
SOUTH GEORGIA COULD SEE A HEAT INDEX NEAR 105 FOR A COUPLE OF
HOURS SATURDAY AFTERNOON.

A HEAT INDEX OF 105 IS CONSIDERED TO BE THE LEVEL WHERE PEOPLE
BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR STRESS. WITH AN INCREASE
IN CLOUDS AND EVEN LOWER TEMPERATURES ON SUNDAY...THE HEAT INDEX
SHOULD REMAIN BELOW 105 FOR THE ENTIRE STATE.
Special weather statement, Jul 4, 4:00 PM EDT, 3 hours 37 minutes before
GAZ001>166-050000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
400 PM EDT FRI JUL 4 1997

HOT TEMPERATURES ACROSS GEORGIA ARE EXPECTED TO MODERATE THE NEXT
COUPLE OF DAYS. WITH A RETURN TO MORE NORMAL TEMPERATURES AS WELL
AS SOMEWHAT LOWER HUMIDITIES THE HEAT INDEX IS EXPECTED TO REMAIN
BELOW 105 OVER MOST OF THE STATE SATURDAY. HOWEVER SOME AREAS OF
SOUTH GEORGIA COULD SEE A HEAT INDEX NEAR 105 FOR A COUPLE OF
HOURS SATURDAY AFTERNOON.

A HEAT INDEX OF 105 IS CONSIDERED TO BE THE LEVEL WHERE PEOPLE
BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR STRESS. WITH AN INCREASE
IN CLOUDS AND EVEN LOWER TEMPERATURES ON SUNDAY...THE HEAT INDEX
SHOULD REMAIN BELOW 105 FOR THE ENTIRE STATE.
Special weather statement, Jul 4, 4:04 PM EDT, 3 hours 33 minutes before
GAZ001>166-050000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
400 PM EDT FRI JUL 4 1997

HOT TEMPERATURES ACROSS GEORGIA ARE EXPECTED TO MODERATE THE NEXT
COUPLE OF DAYS. WITH A RETURN TO MORE NORMAL TEMPERATURES AS WELL
AS SOMEWHAT LOWER HUMIDITIES THE HEAT INDEX IS EXPECTED TO REMAIN
BELOW 105 OVER MOST OF THE STATE SATURDAY. HOWEVER SOME AREAS OF
SOUTH GEORGIA COULD SEE A HEAT INDEX NEAR 105 FOR A COUPLE OF
HOURS SATURDAY AFTERNOON.

A HEAT INDEX OF 105 IS CONSIDERED TO BE THE LEVEL WHERE PEOPLE
BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR STRESS. WITH AN INCREASE
IN CLOUDS AND EVEN LOWER TEMPERATURES ON SUNDAY...THE HEAT INDEX
SHOULD REMAIN BELOW 105 FOR THE ENTIRE STATE.
Special weather statement, Jul 4, 4:07 PM EDT, 3 hours 30 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-050000-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
359 PM EDT FRI JUL 4 1997

THERE IS A SLIGHT RISK OF ISOLATED SEVERE THUNDERSTORMS OVER PORTIONS
OF NORTH AND EVEN CENTRAL GEORGIA THIS AFTERNOON AND EVENING. THIS
AREA IS GENERALLY NORTH OF A COLUMBUS...MACON...AUGUSTA LINE. VERY
STRONG AND SEVERE THUNDERSTORMS IN SOUTHERN TENNESSEE AND EXTREME
NORTHWEST ALABAMA MAY CONTINUE TO DEVELOP AND MOVE TO THE
EAST...AFFECTING PORTIONS OF NORTH AND POSSIBLY CENTRAL GEORGIA.

A WARM AND VERY MOIST AIRMASS COMBINED WITH THE LIFTING FROM AN
APPROACHING FRONTAL SYSTEM AND PLENTY OF AFTERNOON HEATING WILL AID
IN MAKING THE AREA RIPE FOR THESE STRONG STORMS TO CONTINUE OVER THE
AREA. GIVEN THE SHALLOW LAYER OF MOISTURE IN THE GEORGIA ATMOSPHERE
AND THE DRYER MIDLEVELS...VERY STRONG DOWNBURST WINDS MAY BE POSSIBLE
WITH ANY THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING.
SPOTTERS SHOULD REMAIN ALERT IN CASE ACTIVATION IS NEEDED. EMERGENCY
MANAGEMENT PERSONNEL SHOULD MONITOR THE SITUATION BY BEING ALERT TO
FURTHER STATEMENTS...SHORT TERM FORECASTS...AND ANY WATCHES OR
WARNINGS ISSUED BY THIS OFFICE.

99

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 6:12 PM EDTSevere Thunderstorm WarningFFCDade, Walker48 min
Jul 4, 6:45 PM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield30 min
Jul 4, 6:58 PM EDTSevere Thunderstorm WarningFFCMurray32 min
Jul 4, 7:15 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer45 min
Jul 4, 7:37 PM EDTSevere Thunderstorm WarningFFCUnion53 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.