Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 30, NWS Columbia, SC

April 8, 2000Calhoun County, Orangeburg County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 8, 2000, 2:52 PM EDT for Calhoun County, Orangeburg County, South Carolina. It was in force for 38 min. 2 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
Apr 8, 2000, 2:52 PM EDT (18:52 UTC)
Expired
Apr 8, 2000, 3:30 PM EDT
In force
38 min
Issued by
NWS Columbia, SC
Area
Whole counties

Counties Calhoun County, SC, Orangeburg County, SC

The radar

The Columbia radar (KCAE), 53 km from the middle of the area, began a volume at 18:52 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
Apr 8, 2:59 PM EDTThunderstorm Wind 50 ENorth, SCSheriff reported trees down.
Apr 8, 3:30 PM EDTThunderstorm Wind 50 ESt Matthews, SCSheriff reported trees down.

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, 6.9 hours before the alert went out and 104 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 2000-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 394 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 2000-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 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
394 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
85 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 
WUUS52 KCAE 081855
SVRCAE
SCC017-075-079-081930-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
252 PM EDT SAT APR 8 2000

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN RICHLAND COUNTY.
  ORANGEBURG COUNTY.
  CALHOUN COUNTY.

* UNTIL 330 PM EDT.

* AT 242 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM EASTERN
  RICHLAND COUNTY SOUTH INTO ORANGEBURG COUNTY MOVING EAST AT 50 MPH. 

* DOPPLAR RADAR INDICATES DAMAGING WINDS AND POSSIBLE LARGE HAIL WITH
  THIS STORM.

THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.

REPORT ANY HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF
OR TO THE NATIONAL WEATHER SERVICE.

MWC

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.

NWS Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 8, 10:14 AM EDT, 4 hours 38 minutes earlier.

Area forecast discussion, Apr 8, 10:14 AM EDT, 4 hours 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
1014 AM SAT APR 8 2000

CLOUDS INCREASING ACROSS THE AREA. FRONT EXTENDING FROM TRI-FFC-CSG
ATTM AND STILL FCST TO REACH CAE AROUND 20Z. CONVECTION INCREASING
JUST AHEAD OF FRONT WITH LIS -3 OVER WEST CNTRL GA. CHS SOUNDING
GIVES 76 MAX TEMP AND FFC HAS 65. SO UPPER 60S WEST TO MID 70S EAST
FOR HIGH TEMPS. TEMPS CURRENTLY IN THE MIDDLE TO UPPER 60S. PLAN TO
GO WITH MOSTLY CLOUDY THIS AFTN WITH CLEARING LATE. WIND FCST ON
TRACK. NO OTHER CHANGES PLANNED.

.CAE...WIND ADVISORY FOR AREA LAKES THIS AFTERNOON.

LM

In the hours before

Special weather statement, Apr 8, 11:20 AM EDT, 3 hours 32 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035-036-
037-038-041-GAZ040-063-064-065-077-082215-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
1120 AM EDT SAT APR 8 2000

THE SEVERE WEATHER 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 SEVERE WEATHER OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES
IN GEORGIA:

BURKE         COLUMBIA      LINCOLN       MCDUFFIE      RICHMOND

...A FEW THUNDERSTORMS THIS AFTERNOON...
A COLD FRONT CROSSING THE AREA THIS AFTERNOON WILL TRIGGER SHOWERS
AND A FEW THUNDERSTORMS. THE GREATEST THREAT FROM THE STORMS WILL
BE WIND GUSTS TO 45 MPH AND HAIL BETWEEN NOON AND 5 PM. THE FRONT
WILL BE MOVE OF THE AREA BY 5 PM...THEREFORE ENDING THE THREAT OF
STORMS.

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

PLEASE SEE THE SHORT TERM FORECAST FROM NATIONAL WEATHER SERVICE
IN COLUMBIA FOR THE LATEST SHORT TERM FORECAST INFORMATION.
THE NWWS ID IS CAENOWCAE AND THE WMO HEADER IS FPUS72 KCAE.

LM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 2:52 PM EDTSevere Thunderstorm WarningCAERichland38 min
Apr 8, 3:09 PM EDTSevere Thunderstorm WarningCAESumter51 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000Every severe thunderstorm warning in 2000

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.