Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 152, NWS Columbia, SC

December 17, 2000Lexington County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Dec 17, 2000, 12:59 AM EST for Lexington County, South Carolina. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Dec 17, 2000, 12:59 AM EST (05:59 UTC)
Expired: Dec 17, 2000, 1:30 AM EST
In force: 31 min
Issued by: NWS Columbia, SC
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Lexington County, SC

The radar

The Columbia radar (KCAE), 22 km from the middle of the area, began a volume at 06:00 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, 1:15 AM EST	Thunderstorm Wind 55 E	Gilbert, SC	Sherff 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 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, 6.0 hours before the alert went out and 163 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.

000 
WUUS52 KCAE 170600
SVRCAE
SCC063-170630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1259 AM EST SUN DEC 17 2000

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

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

* UNTIL 130 AM EST.

* AT 1250 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 20 MILES SOUTHWEST OF RED BANK...OR ABOUT 11
  MILES SOUTH OF BATESBURG...MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEXINGTON...RED BANK AT 115 AM EST
  PINERIDGE...SOUTH CONGAREE AT 120 AM EST
  CAYCE...OAK GROVE...SEVEN OAKS...SPRINGDALE AT 125 AM EST

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

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS. STAY INDOORS AWAY FROM
WINDOWS.
l


LAT...LON 3383 8155 3368 8143 3389 8099 3407 8113

RJL

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, 1:08 AM EST	Severe Thunderstorm Warning	CAE	Richland	52 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.