Alert archive / South Carolina / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 5, NWS Columbia, SC

April 4, 1989Lexington County, Richland County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 4, 1989, 7:19 PM EDT for Lexington County, Richland County, South Carolina. It was in force for 56 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
Apr 4, 1989, 7:19 PM EDT (23:19 UTC)
Expired
Apr 4, 1989, 8:15 PM EDT
In force
56 min
Issued by
NWS Columbia, SC
Area
Whole counties

Counties Lexington County, SC, Richland County, SC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Apr 4, 7:25 PM EDTThunderstorm Wind 0Lexington, SC

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

Charleston AFB, SC (KCHS), launched 12:00Z, 11.3 hours before the alert went out and 155 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 1989-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 463 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1989-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.1939Sfc1 km3 km6 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
463 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
566 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAE 042319
SVRCAE
SCC063-079-050015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
719 PM EDT TUE APR 4 1989
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN  SOUTH CAROLINA
          ...LEXINGTON...RICHLAND
 
AT 720 PM EDT A LINE OF THUNDERSTORMS WAS IN THE WESTERN PORTIONS OF
RICHLAND AND LEXINGTON. THESE THUNDERSTORMS ARE MOVING EAST AT ABOUT
45 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE
HAIL..DANGEROUS LIGHTNING AND STRONG WINDS AS THEY MOVE THROUGH THE
AREA. PERSONS SHOULD BE ALERT FOR POSSIBLE SEVERE WEATHER FOR THE NEXT
HOUR.
 
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.
s

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, Apr 4, 5:19 PM EDT, 2 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUGUSTA GA
520 PM EDT TUE APR 4 1989

...A TORNADO WATCH IS IN EFFECT FOR MOST OF EASTERN GEORGIA AND MUCH
OF SOUTH CAROLINA...THIS INCLUDES ALL COUNTIES IN THE CENTRAL SAVANNAH
RIVER AREA UNTIL 11 PM...

NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF VERY STRONG THUNDER-
STORMS FROM NORTHWEST SOUTH CAROLINA TO CENTRAL GEROGIA. THIS LINE
IS MOVING TO THE EAST AT 40 MPH.

THESE THUNDERSTORMS WILL BE MOVING INTO THE WESTERN SECTIONS OF THE
CENTRAL SAVANNAH RIVER AREA WITHIN THE NEXT COUPLE OF HOURS. RESIDENTS
OF THE AREA SHOULD BE ALERT FOR STRONG GUSTY WINDS..DANGEROUS LIGHTNING
...HAIL AND POSSIBLE TORNADOES.
Special weather statement, Apr 4, 7:10 PM EDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUGUSTA GA
712 PM EDT TUE APR 4 1989

...A TORNADO WATCH IS IN EFFECT FOR MOST OF EASTERN GEORGIA AND MUCH
OF SOUTH CAROLINA...THIS INCLUDES ALL COUNTIES IN THE CENTRAL SAVANNAH
RIVER AREA UNTIL 11 PM EDT...

NATIONAL WEATHER SERVICE RADAR SHOWED SCATTERED STRONG THUNDERSTORMS
IN A LARGE AREA OF RAIN. THE AREA EXTENDED FROM NEAR DUBLIN GEORGIA
TO NEAR CHESTER SOUTH CAROLINA. THE STRONGEST THUNDERSTORMS WERE IN
SOUTH CAROLINA NEAR EDGEFIELD AND WERE MOVING TOWARD THE EAST AT 50
MPH.

STORM SPOTTERS HAVE REPORTED A VARIETY OF DAMAGING CONDITIONS...RANGING
FROM POWER OUTAGES AND BROKEN TREE LIMBS...ALSO A MOBILE HOME WAS TURNED
OVER IN RICHMOND COUNTY GEORGIA NEAR BUSH FIELD. DAMAGE REPORTS HAVE BEEN
RECIEVED FROM EDGEFIELD COUNTY SOUTH CAROLINA TO WESTERN BURKE COUNY
GEORGIA.

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 4, 6:22 PM EDTSevere Thunderstorm WarningCAENewberry68 min
Apr 4, 6:37 PM EDTTornado WarningCAENewberry68 min
Apr 4, 6:51 PM EDTTornado WarningCAEChester, York69 min
Apr 4, 6:51 PM EDTTornado WarningCAEFairfield69 min
Apr 4, 7:29 PM EDTTornado WarningCAELexington, Richland61 min
Apr 4, 7:48 PM EDTSevere Thunderstorm WarningCAELancaster57 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1989Every severe thunderstorm warning in 1989

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.