Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 155, NWS Columbia, SC

December 17, 2000Kershaw County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Dec 17, 2000, 1:25 AM EST for Kershaw County, South Carolina. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 17, 2000, 1:25 AM EST (06:25 UTC)
Expired
Dec 17, 2000, 2:30 AM EST
In force
65 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Kershaw County, SC

The radar

The Columbia radar (KCAE), 65 km from the middle of the area, began a volume at 06:25 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Dec 16, 11:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 6.4 hours before the alert went out and 169 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 00:00Z on 2000-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 831 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2000-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 square meters per square second.1939587897Sfc1 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
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 170627
SVRCAE
SCC055-170730-

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

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

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

* UNTIL 230 AM EST.

* AT 115 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
  SEVERE THUNDERSTORMS IN RICHLAND COUNTY MOVING TOWARD KERSHAW
  COUNTY. EXPECT WINDS OF 50 TO 60 MPH WITH THESE THUNDERSTORMS.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LUGOFF AT 150 AM EST
  CAMDEN AT 200 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.

RJL

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 11:19 PM ESTSevere Thunderstorm WarningCAELexington26 min
Dec 17, 12:50 AM ESTSevere Thunderstorm WarningCAELexington25 min
Dec 17, 12:59 AM ESTSevere Thunderstorm WarningCAELexington31 min
Dec 17, 1:08 AM ESTSevere Thunderstorm WarningCAERichland52 min
Dec 17, 1:18 AM ESTSevere Thunderstorm WarningCAEFairfield57 min
Dec 17, 2:20 AM ESTSevere Thunderstorm WarningCAEChesterfield25 min
Dec 17, 2:25 AM ESTTornado WarningCAEChesterfield35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.