Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 29, NWS Charleston, SC

June 4, 2000Berkeley County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 4, 2000, 1:59 PM EDT for Berkeley County, South Carolina. It was in force for 31 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: Jun 4, 2000, 1:59 PM EDT (17:59 UTC)
Expired: Jun 4, 2000, 2:30 PM EDT
In force: 31 min
Issued by: NWS Charleston, SC
Area: Whole counties

County Berkeley County, SC

The radar

The Charleston,SC radar (KCLX), 118 km from the middle of the area, began a volume at 18:03 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
Jun 4, 2:10 PM EDT	Thunderstorm Wind 50 E	Bonneau, SC	One building destroyed and several damaged.
Jun 4, 2:30 PM EDT	Thunderstorm Wind 60 E	Moncks Corner, SC	Pontoon boat capsized on Lake Moultrie. All six passengers were safely rescued.

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, 6.0 hours before the alert went out and 33 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: 2165 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KCHS 041801
SVRCHS
SCC015-041830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
159 PM EDT SUN JUN 4 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA.

* UNTIL 230 PM EDT.

* AT 157 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES
  NORTHWEST OF COLLEGE PARK...OR ABOUT 3 MILES NORTHEAST OF
  SUMMERVILLE...MOVING NORTHEAST AT 20 MPH.

*THE SEVERE THUNDERSTORM IS EXPECTED NEAR...
  BONNEAU...BONNEAU BEACH AT 230 PM EDT.

HAIL UP TO 1 INCH IN DIAMETER AND WIND GUSTS TO 60 MPH ARE EXPECTED
IN THE WARNED AREA.

$$

LAT...LON 3307 8028 3294 8013 3325 7971 3342 7992

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 2:32 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	28 min
Jun 4, 4:38 PM EDT	Severe Thunderstorm Warning	CHS	Jasper	52 min
Jun 4, 4:38 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Hampton	52 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.