Alert archive / South Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 29, NWS Atlanta, GA

March 6, 1992Edgefield County, McCormick County, South Carolina

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 6, 1992, 11:27 PM EST for Edgefield County, McCormick County, South Carolina. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Mar 6, 1992, 11:27 PM EST (04:27 UTC)
Expired
Mar 7, 1992, 12:15 AM EST
In force
48 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Edgefield County, SC, McCormick County, SC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 4.5 hours before the alert went out and 108 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 1992-03-07Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 00:00Z on 1992-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
54 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAGS 070425
SVRAGS
SCC037-065-070515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
1127 PM EST FRI MAR 6 1992
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL SOUTH CAROLINA
 
   ...NORTHERN EDGEFIELD COUNTY...NORTHERN MCCORMICK COUNTY
 
NATIONAL WEATHER SERVICE RADAR AT 1125 PM INDICATED A CLUSTER OF
SEVERE THUNDERSTORMS IN NORTHERN MCCORMICK AND NORTHERN EDGEFIELD
COUNTIES IN SOUTH CAROLINA. MOVEMENT OF THESE THUNDERSTORMS WAS TO
THE EAST AT 15 MPH.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 6, 8:49 PM EST, 2 hours 38 minutes before
GAZ001>GAZ003-GAZ005-070300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
850 PM EST FRI MAR 6 1992

...SEVERE THUNDERSTORM WATCH NUMBER 47 CANCELLED FOR NORTHWEST
   GEORGIA...BUT CONTINUES FOR NORTHEAST GEORGIA...

WHILE STRONG TO SEVERE THUNDERSTORMS CONTINUE TO RUMBLE OVER
PARTS OF NORTHEAST GEORGIA...THE THREAT OF SEVERE THUNDERSTORMS HAS
ENDED FOR THE NORTHWESTERN PART OF THE STATE THIS EVENING. THUS
THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES...

WALKER...WHITFIELD...MURRAY...FANNIN...GILMER...PICKENS...DAWSON...
CHATTOOGA...GORDON...FLOYD...BARTOW...POLK...CHEROKEE...FORSYTH...
HARALSON...PAULDING...COBB...CARROLL...DOUGLAS...FULTON...GWINNETT...
DE KALB...HEARD...COWETA...FAYETTE...CLAYTON...HENRY...ROCKDALE...
TROUP...MERIWETHER...AND SPAULDING.
.
REPEATING...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR
THE ABOVE COUNTIES ONLY. THE WATCH CONTINUES IN EFFECT UNTIL 1=0 PM
FOR MUCH OF NORTHEAST GEORGIA.
Local storm report, Mar 6, 9:09 PM EST, 2 hours 18 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
910 PM EST FRI MAR 6 1992

COUNTY........ MORGAN

SOURCE........ HAM RADIO NETWORK

TIME.......... 900 PM EST

LOCATION...... NORTHEAST MORGAN COUNFTY

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... GOLF BALL SIZE (ESTIMATED ONE INCH DIA)

DAMAGE........ NONE AT THIS TIME

INJURIES...... UNK
Local storm report, Mar 6, 9:13 PM EST, 2 hours 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
912 PM EST FRI MAR 6 1992

COUNTY........ WALTON

SOURCE........ OCONEE COUNTY POLICE DEPARTMENT

TIME.......... 900 PM EST

LOCATION...... COUNTYW|IDE

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... UNK

DAMAGE........ TREES DOWN

INJURIES...... UNK
Local storm report, Mar 6, 9:14 PM EST, 2 hours 13 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
914 PM EST FRI MAR 6 1992

COUNTY........ OCONEE

SOURCE........ OCONEE COUNTY POLICE DEPARTMENT

TIME.......... 900 PM EST

LOCATION...... SOUTHERN OCONEE COUNTY

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... NICKLE SIZE

DAMAGE........ UNK

INJURIES...... UNK
Local storm report, Mar 6, 9:46 PM EST, 1 hour 41 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
945 PM EST FRI MAR 6 1992

COUNTY........ GREENE

SOURCE........ GREENE COUNTY SHERIFFS OFFICE

TIME.......... 930 PM EST

LOCATION...... IN GRESHASMVILLE (WESTERN GREENE COUNTY)

TYPE STORM.... SEVERE THUNDERSTORM

HAIL.......... NICKLE TO GOLFBALL SIZE

DAMAGE........ UNK

INJURIES...... UNK
Special weather statement, Mar 6, 10:12 PM EST, 1 hour 15 minutes before
GAZ006-008-009-071300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
1010 PM EST FRI MAR 6 1992R

        ...DENSE FOG FORMING IN MIDDLE GEORGIA...

AT 1005 PM DENSE FOG WITH THE VISIBILTY NEAR ZERO WAS COVERING
THE MIDDLE GEORGIA REGIONAL AIRPORT.

MANY PARTS OF CENTRAL GEORGIA WILL LIKLEY SEE THICK FOG FORMING
TONIGHT AND SATURDAY MORNING.

MOTORISTS SHOULD USE EXTRA CAUTION TONIGHT AND SATURDAY MORNING.
IN ADDITION TO THE POSSIBILITY OF FOG...MANY ROADS ARE STILL WET
FROM RECENT RAINS. THIS WILL MAKE DRIVING EVEN MORE HAZARDOUS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 10:15 PM ESTSevere Thunderstorm WarningFFCAiken45 min
Mar 6, 10:32 PM ESTSevere Thunderstorm WarningFFCEdgefield58 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1992Every severe thunderstorm warning in 1992

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.