Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 82, NWS Atlanta, GA

March 29, 1997Lumpkin County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 29, 1997, 12:59 AM EST for Lumpkin County, Georgia. It was in force for 21 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 29, 1997, 12:59 AM EST (05:59 UTC)
Expired
Mar 29, 1997, 1:20 AM EST
In force
21 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Lumpkin County, GA

The radar

The Atlanta radar (KFFC), 144 km from the middle of the area, began a volume at 05:59 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.

IssuedProductOfficeLasted
Mar 29, 12:45 AM ESTTornado WatchSPC4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.0 hours before the alert went out and 141 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 00:00Z on 1997-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1292 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 00:00Z on 1997-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
1292 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
1.6
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 290559 RRA
SVRATL
GAC187-290620-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1259 AM EST SAT MAR 29 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  120 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST GEORGIA
 
   ...LUMPKIN COUNTY
 
AT 1258 AM EST WEATHER DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
NEAR DAHLONEGA...MOVING EAST NORTHEAST AT 40 MPH.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 11:20 PM ESTSevere Thunderstorm WarningFFCMurray10 min
Mar 28, 11:41 PM ESTSevere Thunderstorm WarningFFCGilmer34 min
Mar 29, 12:11 AM ESTSevere Thunderstorm WarningFFCBartow, Floyd34 min
Mar 29, 12:22 AM ESTTornado WarningFFCBartow38 min
Mar 29, 12:46 AM ESTSevere Thunderstorm WarningFFCCherokee29 min
Mar 29, 1:56 AM ESTSevere Thunderstorm WarningFFCMurray, Whitfield34 min
Mar 29, 2:20 AM ESTSevere Thunderstorm WarningFFCFannin, Union25 min
Mar 29, 2:29 AM ESTSevere Thunderstorm WarningFFCChattooga31 min
Mar 29, 2:45 AM ESTSevere Thunderstorm WarningFFCBartow30 min
Mar 29, 2:50 AM ESTSevere Thunderstorm WarningFFCTowns, Union25 min
Mar 29, 2:59 AM ESTSevere Thunderstorm WarningFFCFloyd31 min
Mar 29, 3:17 AM ESTSevere Thunderstorm WarningFFCGilmer28 min
Mar 29, 3:45 AM ESTFlash Flood WarningFFCDawson, Fannin, Gilmer, Lumpkin3 hr
Mar 29, 3:45 AM ESTFlash Flood WarningFFCTowns, Union, White3 hr
Mar 29, 6:04 PM ESTSevere Thunderstorm WarningFFCMacon, Taylor26 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.