Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 139, NWS Atlanta, GA

April 22, 1997Lamar County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 22, 1997, 6:47 PM EDT for Lamar County, Georgia. It was in force for 28 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
Apr 22, 1997, 6:47 PM EDT (22:47 UTC)
Expired
Apr 22, 1997, 7:15 PM EDT
In force
28 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Lamar County, GA

The radar

The Atlanta radar (KFFC), 51 km from the middle of the area, began a volume at 22:49 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
Apr 22, 3:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 47 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 1997-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 232 joules per kilogram.LCLLFCEL10008507005003002001001 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 1997-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.19395878Sfc1 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
232 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 222248 RRA
SVRATL
GAC171-222315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
647 PM EDT TUE APR 22 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL GEORGIA
 
   ...LAMAR COUNTY
 
AT 645 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A BAND OF
SEVERE THUNDERSTORMS APPROACHING THE COUNTY FROM THE WEST. THIS BAND OF
THUNDERSTORMS SHOULD MOVE THROUGH THE COUNTY BETWEEN 650 PM AND 715 PM.
 
 
A TORNADO WATCH IS ALSO IN EFFECT IN OR NEAR THE WARNED AREA.
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DfO 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
Apr 21, 8:03 PM EDTSevere Thunderstorm WarningFFCCatoosa, Walker27 min
Apr 21, 9:01 PM EDTSevere Thunderstorm WarningFFCMurray, Whitfield29 min
Apr 21, 9:52 PM EDTSevere Thunderstorm WarningFFCCrawford, Monroe, Upson38 min
Apr 21, 10:11 PM EDTSevere Thunderstorm WarningFFCBibb34 min
Apr 21, 10:20 PM EDTSevere Thunderstorm WarningFFCJones25 min
Apr 21, 10:39 PM EDTSevere Thunderstorm WarningFFCTwiggs, Wilkinson51 min
Apr 21, 10:39 PM EDTSevere Thunderstorm WarningFFCBaldwin51 min
Apr 22, 12:04 AM EDTSevere Thunderstorm WarningFFCBaldwin26 min
Apr 22, 2:10 AM EDTSevere Thunderstorm WarningFFCGreene35 min
Apr 22, 1:24 PM EDTSevere Thunderstorm WarningFFCCobb, Paulding51 min
Apr 22, 1:50 PM EDTSevere Thunderstorm WarningFFCFulton40 min
Apr 22, 2:10 PM EDTSevere Thunderstorm WarningFFCPaulding, Polk50 min
Apr 22, 2:28 PM EDTSevere Thunderstorm WarningFFCGwinnett32 min
Apr 22, 2:42 PM EDTSevere Thunderstorm WarningFFCCherokee, Cobb48 min
Apr 22, 2:49 PM EDTSevere Thunderstorm WarningFFCOglethorpe41 min
Apr 22, 2:51 PM EDTSevere Thunderstorm WarningFFCClarke39 min
Apr 22, 3:01 PM EDTSevere Thunderstorm WarningFFCBarrow, Jackson44 min
Apr 22, 3:01 PM EDTSevere Thunderstorm WarningFFCGwinnett44 min
Apr 22, 3:15 PM EDTSevere Thunderstorm WarningFFCFulton30 min
Apr 22, 3:17 PM EDTSevere Thunderstorm WarningFFCWalton28 min
Apr 22, 3:34 PM EDTSevere Thunderstorm WarningFFCOconee41 min
Apr 22, 3:40 PM EDTSevere Thunderstorm WarningFFCOglethorpe, Wilkes50 min
Apr 22, 5:34 PM EDTSevere Thunderstorm WarningFFCTroup41 min
Apr 22, 5:43 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer32 min
Apr 22, 5:50 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Heard40 min
Apr 22, 5:59 PM EDTSevere Thunderstorm WarningFFCMeriwether46 min
Apr 22, 5:59 PM EDTSevere Thunderstorm WarningFFCDouglas, Fayette, Fulton46 min
Apr 22, 6:08 PM EDTSevere Thunderstorm WarningFFCHarris52 min
Apr 22, 6:17 PM EDTSevere Thunderstorm WarningFFCClayton, Henry, Pike, Spalding43 min
Apr 22, 6:17 PM EDTSevere Thunderstorm WarningFFCTalbot, Upson43 min
Apr 22, 6:21 PM EDTSevere Thunderstorm WarningFFCJackson39 min
Apr 22, 6:33 PM EDTTornado WarningFFCJackson, Madison27 min
Apr 22, 6:56 PM EDTSevere Thunderstorm WarningFFCButts, Monroe, Newton49 min
Apr 22, 6:56 PM EDTSevere Thunderstorm WarningFFCCrawford, Taylor49 min
Apr 22, 7:18 PM EDTSevere Thunderstorm WarningFFCBibb, Jones27 min
Apr 22, 7:28 PM EDTSevere Thunderstorm WarningFFCGreene, Putnam32 min
Apr 22, 7:28 PM EDTSevere Thunderstorm WarningFFCClarke, Oconee, Oglethorpe32 min
Apr 22, 7:34 PM EDTSevere Thunderstorm WarningFFCBaldwin, Twiggs, Wilkinson26 min
Apr 22, 7:53 PM EDTSevere Thunderstorm WarningFFCHancock, Washington37 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.