Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 90, NWS Atlanta, GA

March 29, 1997Macon County, Taylor County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 29, 1997, 6:04 PM EST for Macon County, Taylor County, Georgia. It was in force for 26 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, 6:04 PM EST (23:04 UTC)
Expired
Mar 29, 1997, 6:30 PM EST
In force
26 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Macon County, GA, Taylor County, GA

The radar

The Robins AFB radar (KJGX), 78 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 107 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 1997-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1430 joules per kilogram.LCLEL10008507005003002001001 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 1997-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
1430 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 292304 RRA
SVRATL
GAC193-269-292330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
604 PM EST SAT MAR 29 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL GEORGIA
 
   ...MACON COUNTY...SOUTHEASTERN TAYLOR COUNTY
 
AT 600 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN NORTH
SCHLEY COUNTY MOVING EAST NORTHEAST AT 25 MPH.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENpCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, 12:59 AM ESTSevere Thunderstorm WarningFFCLumpkin21 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

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.