Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 66, NWS Atlanta, GA

March 13, 1997Marion County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 13, 1997, 5:55 PM EST for Marion County, Georgia. It was in force for 35 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
Mar 13, 1997, 5:55 PM EST (22:55 UTC)
Expired
Mar 13, 1997, 6:30 PM EST
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Marion County, GA

The radar

The Atlanta radar (KFFC), 112 km from the middle of the area, began a volume at 22:55 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.9 hours before the alert went out and 113 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 1997-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 1997-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
208 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.

780 
WUUS1 KATL 132257 RRA
SVRATL
GAC197-132330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
555 PM EST THU MAR 13 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL GEORGIA
 
   ...MARION COUNTY
 
AT 550 PM EST RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF
BRANTLEY ON THE MARION-CHATTAHOOCHEE COUNTY LINE. THIS STORM WAS MOVING
NORTH NORTHEAST AT 35 MPH.
 
THIS STORM WILL REACH THE TOWN OF JUNIPER BY 615 PM EST.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
KM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 5:00 PM ESTSevere Thunderstorm WarningFFCHarris50 min
Mar 13, 5:17 PM ESTTornado WarningFFCHarris, Talbot28 min
Mar 13, 5:25 PM ESTSevere Thunderstorm WarningFFCMacon35 min
Mar 13, 5:42 PM ESTTornado WarningFFCMeriwether, Talbot48 min
Mar 13, 6:03 PM ESTSevere Thunderstorm WarningFFCHarris27 min
Mar 13, 6:10 PM ESTSevere Thunderstorm WarningFFCTalbot50 min
Mar 13, 6:18 PM ESTSevere Thunderstorm WarningFFCPike27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.