Alert archive / Georgia / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 13, NWS Atlanta, GA

March 1, 1991Meriwether County, Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 1991, 4:27 PM EST for Meriwether County, Troup County, Georgia. It was in force for 48 min. 3 reports 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, 4:27 PM EST (21:27 UTC)
Expired
Mar 1, 1991, 5:15 PM EST
In force
48 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Meriwether County, GA, Troup County, GA

What was reported inside it

TimeReportWhereRemark
Mar 1, 4:30 PM ESTThunderstorm Wind 0Troup, GA
Mar 1, 5:00 PM ESTThunderstorm Wind 0Troup, GA
Mar 1, 5:00 PM ESTThunderstorm Wind 0Meriwether, 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 12:00Z, 9.5 hours before the alert went out and 177 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 12:00Z on 1991-03-01Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 12:00Z on 1991-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
198 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 KATL 012132
SVRATL
GAC199-285-012215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA  GA
427 PM EST FRI MAR 1 1991
 
THE NATIONAL WEATHER SERVICE IN ATLANTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL GEORGIA
 
   ...MERIWETHER COUNTY...TROUP COUNTY
 
A STRONG THUNDERSTORM MOVED THROUGH WEST POINT AT 420 PM.
THE WEST POINT POLICE DEPARTMENT REPORTED STRONG WINDS ESTIMATED AT
50 MPH WITH THIS STORM.  AT LEAST ONE TREE WAS BLOWN DOWN.
THIS STORM IS MOVING NORTHEAST AT 45 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 1, 4:39 PM ESTSevere Thunderstorm WarningFFCCoweta51 min
Mar 1, 5:28 PM ESTSevere Thunderstorm WarningFFCHenry, Spalding47 min
Mar 1, 5:42 PM ESTSevere Thunderstorm WarningFFCRockdale33 min
Mar 1, 5:53 PM ESTSevere Thunderstorm WarningFFCNewton, Walton67 min
Mar 1, 6:08 PM ESTSevere Thunderstorm WarningFFCMonroe37 min
Mar 1, 6:56 PM ESTSevere Thunderstorm WarningFFCClarke, Madison, Oglethorpe43 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.