Alert archive / South Carolina / Tornado Warnings in 2000

Tornado Warning 4, NWS Charleston, SC

July 23, 2000Charleston County, South Carolina

NWS Charleston, SC issued this tornado warning at Jul 23, 2000, 9:22 PM EDT for Charleston County, South Carolina. It was in force for 23 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
Jul 23, 2000, 9:22 PM EDT (01:22 UTC)
Expired
Jul 23, 2000, 9:45 PM EDT
In force
23 min
Issued by
NWS Charleston, SC
Area
Whole counties

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 103 km from the middle of the area, began a volume at 01:21 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

TimeReportWhereRemark
Jul 23, 9:30 PM EDTTornado F0Isle Of Palms, SCWaterspout came ashore briefly and damaged two homes under construction. A flower pot was thrown through a car window a block away.

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 00:00Z, 1.4 hours before the alert went out and 18 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 2000-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3164 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2000-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.193958Sfc1 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
3164 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
507 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

935 
WFUS52 KCHS 240122
TORCHS
SCC019-240145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
922 PM EDT SUN JUL 23 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA.

* UNTIL 945 PM EDT.

* AT 920 PM EDT...STORM SPOTTERS REPORTED A WATERSPOUT COMING ASHORE
  NEAR THE ISLE OF PALMS CONNECTOR...OR ABOUT 17 MILES NORTHEAST OF
  CHARLESTON...MOVING NORTH AT 5 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  MOUNT PLEASANT.
  WHITEHALL TERRACE.

WATERSPOUTS THAT MOVE ONSHORE BECOME TORNADOES. PEOPLE ALONG THE
SHORELINE SHOULD BE ALERT AND SEEK SHELTER IF THREATENING WEATHER
APPROACHES. GO TO A NEARBY STURDY BUILDING AND AVOID WINDOWS. AS A
LAST RESORT...FIND A LOW SPOT AND PROTECT YOUR HEAD AND BODY FROM
FLYING DEBRIS.

$$

LAT...LON 3285 7973 3285 7964 3298 7963 3297 7972

&

EVT

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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 8:34 PM EDTSevere Thunderstorm WarningCHSHampton26 min
Jul 23, 9:02 PM EDTSevere Thunderstorm WarningCHSHampton43 min

Nearby

Tornado Warnings in South Carolina, 2000Every tornado warning in 2000Tornadoes 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.