Alert archive / South Carolina / Tornado Warnings in 2001

Tornado Warning 7, NWS Charleston, SC

June 12, 2001Beaufort County, Colleton County, South Carolina

NWS Charleston, SC issued this tornado warning at Jun 12, 2001, 9:04 PM EDT for Beaufort County, Colleton County, South Carolina. It was in force for 26 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, 9:04 PM EDT (01:04 UTC)
Expired: Jun 12, 2001, 9:30 PM EDT
In force: 26 min
Issued by: NWS Charleston, SC
Area: Whole counties

Counties Beaufort County, SC, Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 35 km from the middle of the area, began a volume at 01:07 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, 9:15 PM EDT	Tornado F0	Beaufort, 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, 1.1 hours before the alert went out and 71 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 130105
TORCHS
SCC013-029-130130-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...

  EASTERN BEAUFORT COUNTY IN SOUTHERN SOUTH CAROLINA.
  EXTREME SOUTHERN COLLETON COUNTY IN SOUTHERN SOUTH CAROLINA.

* UNTIL 930 PM EDT.

* AT 904 PM EDT...RADAR INDICATED A TORNADO NEAR PARRIS ISLAND...OR
  ABOUT 6 MILES SOUTH OF BEAUFORT...MOVING EAST AT 25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...   
  HUNTING ISLAND. 
  EDISTO BEACH.

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR IT COMING...IT MAY BE TOO LATE. TAKE COVER NOW

$$

LAT...LON 3240 8075 3229 8067 3236 8024 3257 8040

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, 9:36 PM EDT	Tornado Warning	CHS	Beaufort	24 min
Jun 12, 9:45 PM EDT	Tornado Warning	CHS	Charleston	30 min
Jun 12, 10:56 PM EDT	Tornado Warning	CHS	Charleston	34 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.