Alert archive / South Carolina / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 235, NWS Atlanta, GA

June 29, 1994Allendale County, South Carolina

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 29, 1994, 4:23 PM EDT for Allendale County, South Carolina. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1994, 4:23 PM EDT (20:23 UTC)
Expired
Jun 29, 1994, 5:00 PM EDT
In force
37 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Allendale County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.4 hours before the alert went out and 127 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, Charleston AFB, SC at 12:00Z on 1994-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2388 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, Charleston AFB, SC at 12:00Z on 1994-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
2388 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
68 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 
WUUS1 KAGS 292023 RRA
SVRAGS
SCC005-292100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
423 PM EDT WED JUN 29 1994
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL SOUTH CAROLINA
 
   ...EASTERN ALLENDALE COUNTY
 
WEATHER RADAR INDICATES A SEVERE THUNDERSTORM JUST EAST OF THE CITY
ALLENDALE IN ALLENDALE COUNTY OF SOUTH CAROLINA. THE THUNDERSTORM IS
MOVING EASTWARD AT 20-25 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, Jun 29, 2:30 PM EDT, 1 hour 53 minutes before
GAZ008-009-010-014-015-016-017-018-023-024-025-026-027-028-029-
035-036-037-038-047-048-049-050-051-291335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
230 PM EDT WED JUN 29 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND A
SMALL PART OF NORTHEAST GEORGIA UNTIL 6 PM EDT. THE COUNTIES
IN NORTHEAST GEORGIA UNDER THIS WATCH ARE CLARKE...OCONEE...
OGLETHORPE...GREENE...WALTON...TALIAFERRO...NEWTON...AND MORGAN.

AT 230 PM EDT RADAR SHOWERS SOME THUNDERSTORMS SOME RATHER INTENSE
IN CENTRAL GEORGIA FROM JUST NORTH OF AUGUSTA TO NEAR MACON.
OTHER STRONG THUNDERSTORMS WERE IN WEST GEORGIA ALONG AND NEAR
THE BORDER WITH ALABAMA BETWEEN COLUMBUS AND CARROLLTON.

STILL OTHER THUNDERSTORMS WERE OVER A SMALL PART OF NORTHWEST
SOUTH CAROLINA NEAR AND EAST OF SPARTANBURG.

ELSEWHERE OVER NORTH AND CENTRAL GEORGIA RAIN WAS SCATTERED.

MOVEMENT EAST AT 30 MILES AN HOUR.
Special weather statement, Jun 29, 2:38 PM EDT, 1 hour 45 minutes before
GAZ008-009-010-014-015-016-017-018-023-024-025-026-027-028-029-
035-036-037-038-047-048-049-050-051-291335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
230 PM EDT WED JUN 29 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND A
SMALL PART OF NORTHEAST GEORGIA UNTIL 6 PM EDT. THE COUNTIES
IN NORTHEAST GEORGIA UNDER THIS WATCH ARE CLARKE...OCONEE...
OGLETHORPE...GREENE...WALTON...TALIAFERRO...NEWTON...AND MORGAN.

AT 230 PM EDT RADAR SHOWERS SOME THUNDERSTORMS SOME RATHER INTENSE
IN CENTRAL GEORGIA FROM JUST NORTH OF AUGUSTA TO NEAR MACON.
OTHER STRONG THUNDERSTORMS WERE IN WEST GEORGIA ALONG AND NEAR
THE BORDER WITH ALABAMA BETWEEN COLUMBUS AND CARROLLTON.

STILL OTHER THUNDERSTORMS WERE OVER A SMALL PART OF NORTHWEST
SOUTH CAROLINA NEAR AND EAST OF SPARTANBURG.

ELSEWHERE OVER NORTH AND CENTRAL GEORGIA RAIN WAS SCATTERED.

MOVEMENT EAST AT 30 MILES AN HOUR.
Special weather statement, Jun 29, 3:30 PM EDT, 53 minutes before
GAZ008-009-010-014-015-016-017-018-023-024-025-026-027-028-029-
035-036-037-038-047-048-049-050-051-291335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
330 PM EDT WED JUN 29 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL GEORGIA
UNTIL 6 PM. HOWEVER CLARKE...OCONEE...OGLETHORPE...GREENE...
WALTON...TALIAFERRO...NEWTON...AND MORGAN COUNTIES OF NORTHEAST
GEORGIA ARE NO LONGER UNDER THIS WATCH.

AT 345 PM EDT RADAR SHOWED SOME SCATTERED THUNDERSTORMS ACROSS
CENTRAL GEORGIA AND PARTS OF CENTRAL SOUTH CAROLINA.

ELSEWHERE IN NORTH AND CENTRAL GEORGIA RAIN WAS OCCURRING.

MOVEMENT EAST 25 MILES AN HOUR.
Special weather statement, Jun 29, 3:53 PM EDT, 30 minutes before
GAZ008-009-010-014-015-016-017-018-023-024-025-026-027-028-029-
035-036-037-038-047-048-049-050-051-291335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
330 PM EDT WED JUN 29 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL GEORGIA
UNTIL 6 PM. HOWEVER CLARKE...OCONEE...OGLETHORPE...GREENE...
WALTON...TALIAFERRO...NEWTON...AND MORGAN COUNTIES OF NORTHEAST
GEORGIA ARE NO LONGER UNDER THIS WATCH.

AT 345 PM EDT RADAR SHOWED SOME SCATTERED THUNDERSTORMS ACROSS
CENTRAL GEORGIA AND PARTS OF CENTRAL SOUTH CAROLINA.

ELSEWHERE IN NORTH AND CENTRAL GEORGIA RAIN WAS OCCURRING.

MOVEMENT EAST 25 MILES AN HOUR.
Special weather statement, Jun 29, 4:18 PM EDT, 5 minutes before
GAZ059-060-071>073-081>084-094>098-105>112-128-130-131-292220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
418 PM EDT WED JUN 29 1994

...SEVERE THUNDERSTORM WATCH NUMBER 511 CONTINUES IN EFFECT FOR A LARGE
   PART OF CENTRAL GEORGIA...

AT 410 PM EDT NATIONAL WEATHER SERVICE RADARS LOCATED NUMEROUS STRONG
THUNDERSTORMS OVER WEST AND CENTRAL GEORGIA MOVING EAST AT 35 MPH.

THESE THUNDERSTORMS HAVE A LOT OF ROUGH LOOKING CLOUDS ASSOCIATED WITH
THEM.  RECENT PHONE CALLS TO PERSONS NEAR OR UNDER THESE THUNDERSTRORMS
HAS RESULTED IN REPORTS OF LOTS OF HEAVY RAIN AND DARK LOOKING CLOUDS.

PERSONS IN AND NEAR THE WATCH AREA...OR THOSE NEAR STRONG THUNDERSTORMS
MUST EXPECT LIGHTNING...STRONG GUSTY WIND...VERY HEAVY RAINFALL WHICH
MAY CAUSE BRIEF PERIODS OF HIGHWAY AND STREET FLOODING...AND POSSIBLY
SMALL HAIL AS STRONGER THUNDERSTORMS PASS NEARBY

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.
Special weather statement, Jun 29, 4:18 PM EDT, 5 minutes before
GAZ059-060-071>073-081>084-094>098-105>112-128-130-131-292220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
418 PM EDT WED JUN 29 1994

...SEVERE THUNDERSTORM WATCH NUMBER 511 CONTINUES IN EFFECT FOR A LARGE
   PART OF CENTRAL GEORGIA...

AT 410 PM EDT NATIONAL WEATHER SERVICE RADARS LOCATED NUMEROUS STRONG
THUNDERSTORMS OVER WEST AND CENTRAL GEORGIA MOVING EAST AT 35 MPH.

THESE THUNDERSTORMS HAVE A LOT OF ROUGH LOOKING CLOUDS ASSOCIATED WITH
THEM.  RECENT PHONE CALLS TO PERSONS NEAR OR UNDER THESE THUNDERSTRORMS
HAS RESULTED IN REPORTS OF LOTS OF HEAVY RAIN AND DARK LOOKING CLOUDS.

PERSONS IN AND NEAR THE WATCH AREA...OR THOSE NEAR STRONG THUNDERSTORMS
MUST EXPECT LIGHTNING...STRONG GUSTY WIND...VERY HEAVY RAINFALL WHICH
MAY CAUSE BRIEF PERIODS OF HIGHWAY AND STREET FLOODING...AND POSSIBLY
SMALL HAIL AS STRONGER THUNDERSTORMS PASS NEARBY

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:26 PM EDTSevere Thunderstorm WarningFFCMcCormick49 min
Jun 28, 9:00 PM EDTSevere Thunderstorm WarningFFCEdgefield45 min
Jun 28, 9:17 PM EDTSevere Thunderstorm WarningFFCAiken58 min
Jun 28, 9:59 PM EDTSevere Thunderstorm WarningFFCBarnwell46 min
Jun 28, 10:12 PM EDTSevere Thunderstorm WarningFFCBarnwell33 min
Jun 29, 1:27 PM EDTSevere Thunderstorm WarningFFCEdgefield, McCormick63 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1994Every severe thunderstorm warning in 1994

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.