Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 149, NWS Columbia, SC

December 16, 2000Lexington County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Dec 16, 2000, 11:19 PM EST for Lexington County, South Carolina. It was in force for 26 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 16, 2000, 11:19 PM EST (04:19 UTC)
Expired: Dec 16, 2000, 11:45 PM EST
In force: 26 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), 17 km from the middle of the area, began a volume at 04:20 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 16, 11:45 PM EST	Thunderstorm Wind 50 E	Swansea, SC	Highway dept. reported several trees down in the Swansea area.

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, 4.3 hours before the alert went out and 147 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 170420
SVRCAE
SCC063-170445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1119 PM EST SAT DEC 16 2000

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

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

* UNTIL 1145 PM EST.

* AT 1115 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF GASTON...MOVING NORTHEAST
  AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PINERIDGE AT 1125 PM EST
  CAYCE AT 1130 PM EST

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

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

LAT...LON 3373 8130 3362 8113 3391 8102 3399 8106

LITTLEq

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 1:08 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.