Alert archive / South Carolina / Tornado Warnings in 2000

Tornado Warning 3, NWS Charleston, SC

July 22, 2000Dorchester County, South Carolina

NWS Charleston, SC issued this tornado warning at Jul 22, 2000, 7:20 PM EDT for Dorchester County, South Carolina. It was in force for 30 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: Jul 22, 2000, 7:20 PM EDT (23:20 UTC)
Expired: Jul 22, 2000, 7:50 PM EDT
In force: 30 min
Issued by: NWS Charleston, SC
Area: Whole counties

County Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 76 km from the middle of the area, began a volume at 23:23 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 nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.3 hours before the alert went out and 43 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: 2668 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

476 
WFUS52 KCHS 222321
TORCHS
SCC035-222350-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
720 PM EDT SAT JUL 22 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA.

* UNTIL 750 PM EDT.

* AT 720 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 4 MILES WEST OF RIDGEVILLE...OR ABOUT 12 MILES
  WEST OF SUMMERVILLE...MOVING EAST AT 15 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  RIDGEVILLE.
  JEDBURG.
  KNIGHTSVILLE.

IF YOU ARE IN OR NEAR THE PATH OF THIS STORM...TAKE COVER NOW
ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. AVOID WINDOWS.

$$

LAT...LON 3320 8044 3306 8048 3299 8023 3313 8025

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 4:03 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	42 min
Jul 22, 4:43 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	32 min
Jul 22, 6:24 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Dorchester	36 min
Jul 22, 6:48 PM EDT	Tornado Warning	CHS	Dorchester	32 min

Nearby

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