Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 5, NWS Columbia, SC

January 16, 1998Aiken County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jan 16, 1998, 7:00 AM EST for Aiken County, South Carolina. It was in force for 30 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
Jan 16, 1998, 7:00 AM EST (12:00 UTC)
Expired
Jan 16, 1998, 7:30 AM EST
In force
30 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Aiken County, SC

The radar

The Columbia radar (KCAE), 66 km from the middle of the area, began a volume at 12:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jan 16, 7:20 AM ESTHail 0.75Aiken, SCHighway Patrol reported a severe thunderstorm produced 3/4 inch hail along I-20.

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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 0.0 hours before the alert went out and 168 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 1998-01-16Temperature 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, Charleston AFB, SC at 12:00Z on 1998-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939587897117136Sfc1 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
459 m above ground
0-6 km bulk shear
95 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

358 
WUUS1 KCAE 161159 RRA
SVRCAE
SCC003-161230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
700 AM EST FRI JAN 16 1998
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  SOUTH CAROLINA
 
   ...WESTERN AIKEN COUNTY
 
AT 655 AM A SEVERE THUNDERSTORM WAS 5 MILES NORTH OF THE CITY OF AIKEN
AND MOVING NORTHEAST ALONG I-20. THIS STORM WILL LIKELY PRODUCE DAMAGING
HAIL AS IT MOVES TOWARD LEXINGTON COUNTY.
 
 
AMATEUR RADIO AND OTHER SPOTTERS ARE REQUESTED TO MONITOR THIS
STORM AND RELAY REPORTS PROMPTLY TO THE NEAREST NATIONAL
WEATHER SERVICE OFFICE.

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, Jan 16, 5:46 AM EST, 1 hour 14 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035-
036-037-038-041-GAZ040-063-064-065-077-161636-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
546 AM EST FRI JAN 16 1998

THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN SOUTH CAROLINA:
AIKEN        BAMBERG      BARNWELL     CALHOUN      CHESTERFIELD
CLARENDON    EDGEFIELD    FAIRFIELD    KERSHAW      LANCASTER
LEE          LEXINGTON    MCCORMICK    NEWBERRY     ORANGEBURG
RICHLAND     SALUDA       SUMTER

THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN GEORGIA:
BURKE        COLUMBIA     LINCOLN      MCDUFFIE     RICHMOND

AN UPPER LEVEL DISTURBANCE...OVER ALABAMA EARLY THIS MORNING...WILL
CONTINUE MOVING NORTHEASTWARD TODAY. THIS SYSTEM IS VERY COLD IN THE
MIDDLE LEVELS...AND WILL PRODUCE AN UNSTABLE AIRMASS ACROSS THE AREA
THIS MORNING INTO THE EARLY AFTERNOON. THE DISTURBANCE IS EXPECTED TO
MOVE OFFSHORE THIS AFTERNOON.

SCATTERED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO MOVE INTO
THE CENTRAL SAVANNAH RIVER AREA EARLY AND SPREAD NORTHEASTWARD THROUGH
THE MORNING. THE STRONGER THUNDERSTORMS WILL PRODUCE WIND GUST TO 35
MPH...FREQUENT LIGHTNING...BRIEF HEAVY RAIN AND SMALL HAIL.

CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT.
THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD
NOT BE REQUIRED.

CDL
Special weather statement, Jan 16, 5:46 AM EST, 1 hour 14 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035-
036-037-038-041-GAZ040-063-064-065-077-161636-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
546 AM EST FRI JAN 16 1998

THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN SOUTH CAROLINA:
AIKEN        BAMBERG      BARNWELL     CALHOUN      CHESTERFIELD
CLARENDON    EDGEFIELD    FAIRFIELD    KERSHAW      LANCASTER
LEE          LEXINGTON    MCCORMICK    NEWBERRY     ORANGEBURG
RICHLAND     SALUDA       SUMTER

THE OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN GEORGIA:
BURKE        COLUMBIA     LINCOLN      MCDUFFIE     RICHMOND

AN UPPER LEVEL DISTURBANCE...OVER ALABAMA EARLY THIS MORNING...WILL
CONTINUE MOVING NORTHEASTWARD TODAY. THIS SYSTEM IS VERY COLD IN THE
MIDDLE LEVELS...AND WILL PRODUCE AN UNSTABLE AIRMASS ACROSS THE AREA
THIS MORNING INTO THE EARLY AFTERNOON. THE DISTURBANCE IS EXPECTED TO
MOVE OFFSHORE THIS AFTERNOON.

SCATTERED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO MOVE INTO
THE CENTRAL SAVANNAH RIVER AREA EARLY AND SPREAD NORTHEASTWARD THROUGH
THE MORNING. THE STRONGER THUNDERSTORMS WILL PRODUCE WIND GUST TO 35
MPH...FREQUENT LIGHTNING...BRIEF HEAVY RAIN AND SMALL HAIL.

CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT.
THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD
NOT BE REQUIRED.

CDL

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 10:06 AM ESTSevere Thunderstorm WarningCAEChesterfield39 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.