Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 153, NWS Columbia, SC

December 17, 2000Richland County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Dec 17, 2000, 1:08 AM EST for Richland County, South Carolina. It was in force for 52 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: Dec 17, 2000, 1:08 AM EST (06:08 UTC)
Expired: Dec 17, 2000, 2:00 AM EST
In force: 52 min
Issued by: NWS Columbia, SC
Area: Whole counties

County Richland County, SC

The radar

The Columbia radar (KCAE), 21 km from the middle of the area, began a volume at 06:10 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

Time	Report	Where	Remark
Dec 17, 1:30 AM EST	Thunderstorm Wind 50 E	Columbia, SC	Sheriff reported trees and powerlines down in northeast Columbia.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 16, 11:00 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 6.1 hours before the alert went out and 150 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 831 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 489 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

242 
WUUS52 KCAE 170614 COR
SVRCAE
SCC079-170700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE COLUMBIA SC
108 AM EST SUN DEC 17 2000

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RICHLAND COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 200 AM EST.

* AT 100 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SEVERE THUNDERSTORMS IN LEXINGTON COUNTY MOVING TOWARD 
  RICHLAND COUNTY.  THE STORMS WERE MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ST. ANDREWS AT 120 AM EST
  FOREST ACRES...VALENCIA HEIGHTS AT 125 AM EST
  ARCADIA LAKES...COLUMBIA...DENTSVILLE...WOODFIELD AT 130 AM EST

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. REMEMBER...SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED
WARNING.

A SMALL INTERIOR ROOM ON THE LOWEST FLOOR USUALLY OFFERS THE BEST
PROTECTION FROM SEVERE THUNDERSTORMS AND TORNADOES.

CORRECTED TEXT AND CHANGED RICHMOND TO RICHLAND COUNTY.

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 16, 11:19 PM EST	Severe Thunderstorm Warning	CAE	Lexington	26 min
Dec 17, 12:50 AM EST	Severe Thunderstorm Warning	CAE	Lexington	25 min
Dec 17, 12:59 AM EST	Severe Thunderstorm Warning	CAE	Lexington	31 min
Dec 17, 1:18 AM EST	Severe Thunderstorm Warning	CAE	Fairfield	57 min
Dec 17, 1:25 AM EST	Severe Thunderstorm Warning	CAE	Kershaw	65 min
Dec 17, 2:20 AM EST	Severe Thunderstorm Warning	CAE	Chesterfield	25 min
Dec 17, 2:25 AM EST	Tornado Warning	CAE	Chesterfield	35 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000 Every 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.