Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 318, NWS Atlanta, GA

June 17, 1997Harris County, Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 17, 1997, 2:17 PM EDT for Harris County, Troup County, Georgia. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 17, 1997, 2:17 PM EDT (18:17 UTC)
Expired: Jun 17, 1997, 3:00 PM EDT
In force: 43 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Harris County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 65 km from the middle of the area, began a volume at 18:17 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 17, 2:15 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.3 hours before the alert went out and 69 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: 754 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 495 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 138 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 171819 RRA
SVRATL
GAC145-285-171900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
217 PM EDT TUE JUN 17 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL GEORGIA
 
   ...NORTHERN HARRIS COUNTY...TROUP COUNTY
 
AT 215 PM EDT NATIONAL WEATHER SERVICE RADAR WAS SHOWING A SEVERE
THUNDERSTORM OVER THE LANETT AND VALLEY AREA OF CHAMBERS COUNTY. THIS
STORM IS MOVING NORTHEAST AT 40 MILES AN HOUR.
 
THIS STORM WILL PASS THROUGH THE WEST POINT AREA BY 230 PM AND INTO
LAGRANGE BY 245 PM.
 
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, Jun 17, 11:20 AM EDT, 2 hours 57 minutes before

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-172115-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1120 AM EDT TUE JUN 17 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL
GERGIA THIS AFTERNOON AND EVENING.

A DEVELOPING LOW PRESSURE CENTER AND ASSOCIATED FRONTAL SYSTEM OVER
EASTERN OKLAHOMA WILL MOVE NORTHEAST TODAY AND TONIGHT. A MOIST AND
UNSTABLE AIRMASS EXISTS OVER MUCH OF THE SOUTHEAST U.S. AND AN UPPER
LEVEL DISTURBANCE ASSOCIATED WITH A LOW LEVEL JET HAS PRODUCED
SHOWERS AND THUNDERSTORMS FROM NORTH AND CENTRAL MISSISSIPPI TO
NORTHEAST ALABAMA AND INTO NORTH GEORGIA THIS MORNING. AFTERNOON
HEATING WILL FURTHER DESTABLIZE THE ATMOSPHERE OVER GEORGIA AS
OUTFLOW BOUNDRIES FROM THIS MORNINGS ACTVIVITY...AND THE LOW LEVEL
JET INTERACT LATER THIS AFTERNOON AND EVENING PRODUCING THE RISK OF
SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL GEORGIA.

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...AS WELL AS ANY WATCHES OR
WARNINGS ISSUED BY THIS OFFICE.

99

Special weather statement, Jun 17, 11:24 AM EDT, 2 hours 53 minutes before

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-172115-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1120 AM EDT TUE JUN 17 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL
GERGIA THIS AFTERNOON AND EVENING.

A DEVELOPING LOW PRESSURE CENTER AND ASSOCIATED FRONTAL SYSTEM OVER
EASTERN OKLAHOMA WILL MOVE NORTHEAST TODAY AND TONIGHT. A MOIST AND
UNSTABLE AIRMASS EXISTS OVER MUCH OF THE SOUTHEAST U.S. AND AN UPPER
LEVEL DISTURBANCE ASSOCIATED WITH A LOW LEVEL JET HAS PRODUCED
SHOWERS AND THUNDERSTORMS FROM NORTH AND CENTRAL MISSISSIPPI TO
NORTHEAST ALABAMA AND INTO NORTH GEORGIA THIS MORNING. AFTERNOON
HEATING WILL FURTHER DESTABLIZE THE ATMOSPHERE OVER GEORGIA AS
OUTFLOW BOUNDRIES FROM THIS MORNINGS ACTVIVITY...AND THE LOW LEVEL
JET INTERACT LATER THIS AFTERNOON AND EVENING PRODUCING THE RISK OF
SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL GEORGIA.

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...AS WELL AS ANY WATCHES OR
WARNINGS ISSUED BY THIS OFFICE.

99

Local storm report, Jun 17, 1:16 PM EDT, 1 hour 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1206 AM EST TUE JUN 17 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1250PM PM  WOODSTOCK GA              GA   WIND DAMAGE
6/17/97    CHEROKEE                       TREES AND POWERLINES WERE
                                          BLOWN DOWN WITHIN THE CITY LIMIT

Local storm report, Jun 17, 2:07 PM EDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
210 PM EDT TUE JUN 17 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....
 
140 PM     SHARRON                   GA   WIND DAMAGE
6/17/97    FORSYTH                        TREES AND POWERLINES WERE
                                          BLOWN DOWN IN SOUTHERN

Local storm report, Jun 17, 2:10 PM EDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
210 PM EDT TUE JUN 17 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

140 PM     SHARRON                   GA   WIND DAMAGE
6/17/97    FORSYTH                        TREES AND POWERLINES WERE
                                          BLOWN DOWN IN SOUTHERN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 12:17 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	43 min
Jun 17, 1:04 PM EDT	Severe Thunderstorm Warning	FFC	Forsyth, Fulton, Gwinnett	41 min
Jun 17, 2:57 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Talbot	33 min
Jun 17, 3:09 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Fulton	36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.