Alert archive / Georgia / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Atlanta, GA

March 1, 1991Greene County, Taliaferro County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 1991, 7:15 PM EST for Greene County, Taliaferro County, Georgia. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 1, 1991, 7:15 PM EST (00:15 UTC)
Expired
Mar 1, 1991, 8:05 PM EST
In force
50 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Greene County, GA, Taliaferro County, GA

What was reported inside it

TimeReportWhereRemark
Mar 1, 7:20 PM ESTThunderstorm Wind 0Greene, GA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 0.3 hours before the alert went out and 49 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, Athens Municipal, GA at 00:00Z on 1991-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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, Athens Municipal, GA at 00:00Z on 1991-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 538 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
52 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
538 m²/s²
0-3 km storm-relative helicity
737 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 KAHN 020015
SVRAHN
GAC105-133-147-265-020115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
715 PM EST FRI MAR 1 1991
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST GEORGIA
 
   ...ELBERT COUNTY...GREENE COUNTY...HART COUNTY...TALIAFERRO COUNTY
 
AT 712 PM EST THE ATHENS RADAR INDICATED SEVERE THUNDERSTORMS
APPROACHING THE ABOVE MENTIONED COUNTIES.
 
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 8 PM EST FOR
CLARKE...MADISON AND OGLETHORPE COUNTIES OF NORTHEAST GEORGIA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED RAREA.  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 1, 7:15 PM ESTSevere Thunderstorm WarningFFCElbert, Hart50 min
Mar 1, 7:41 PM ESTFlash Flood WarningFFCBibb, Houston64 min
Mar 1, 8:11 PM ESTSevere Thunderstorm WarningFFCLincoln, Wilkes64 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1991Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.