Alert archive / South Carolina / Tornado Warnings in 2001

Tornado Warning 10, NWS Charleston, SC

June 12, 2001Charleston County, South Carolina

NWS Charleston, SC issued this tornado warning at Jun 12, 2001, 10:56 PM EDT for Charleston County, South Carolina. It was in force for 34 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: Jun 12, 2001, 10:56 PM EDT (02:56 UTC)
Expired: Jun 12, 2001, 11:30 PM EDT
In force: 34 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 02:48 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 12, 11:05 PM EDT	Tornado F0	Edisto Is, SC

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
Jun 12, 5:45 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 2.9 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-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: 1562 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 604 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KCHS 130257
TORCHS
SCC019-130330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1056 PM EDT TUE JUN 12 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...

  SOUTHWESTERN CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA.

* UNTIL 1130 PM EDT.

* AT 1056 PM EDT...RADAR INDICATED A POSSIBLE TORNADO 10 MILES
  SOUTHWEST OF YONGES ISLAND...OR ABOUT 7 MILES NORTH OF EDISTO
  BEACH...MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  YONGES ISLAND.
  WADMALAW ISLAND.
  MEGGETT.

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

$$

LAT...LON 3260 8037 3256 8032 3265 8013 3276 8026

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:30 PM EDT	Tornado Warning	CHS	Beaufort	30 min
Jun 12, 9:04 PM EDT	Tornado Warning	CHS	Beaufort, Colleton	26 min
Jun 12, 9:36 PM EDT	Tornado Warning	CHS	Beaufort	24 min
Jun 12, 9:45 PM EDT	Tornado Warning	CHS	Charleston	30 min

Nearby

Tornado Warnings in South Carolina, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.