Alert archive / South Carolina / Tornado Warnings in 2007

Tornado Warning 17, NWS Charleston, SC

June 13, 2007Charleston County, South Carolina

NWS Charleston, SC issued this tornado warning at Jun 13, 2007, 4:09 PM EDT for Charleston County, South Carolina. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 13, 2007, 4:09 PM EDT (20:09 UTC)
Expired: Jun 13, 2007, 4:33 PM EDT
In force: 24 min
Issued by: NWS Charleston, SC
Area: Counties, with a storm outline in the text

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 95 km from the middle of the area, began a volume at 20:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 13, 2:29 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.2 hours before the alert went out and 31 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: 1037 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 803 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KCHS 132009
TORCHS
SCC019-132045-
/O.NEW.KCHS.TO.W.0017.070613T2009Z-070613T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
409 PM EDT WED JUN 13 2007

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 445 PM EDT

* AT 405 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A WATERSPOUT
  OF THE FOLLY BEACH PIER. RADAR SHOWS THE ASSOCIATED THUNDERSTORM
  MOVING SOUTHWEST AT 10 MPH. THIS WATERSPOUT MAY MOVE ONSHORE
  AS A TORNADO BETWEEN FOLLY BEACH AND KIAWAH ISLAND.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  FOLLY BEACH...
  KIAWAH ISLAND...

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.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024.

LAT...LON 3267 8010 3266 7993 3265 7992 3263 7996
      3263 7999 3261 7998 3260 8000 3260 8006
      3258 8010 3259 8012

$$

2 follow-up statements

000 
WWUS52 KCHS 132021
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
420 PM EDT WED JUN 13 2007

SCC019-132045-
/O.CON.KCHS.TO.W.0017.000000T0000Z-070613T2045Z/
CHARLESTON SC-
420 PM EDT WED JUN 13 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR
CHARLESTON COUNTY...

AT 415 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE WATERSPOUT.  THIS WATERSPOUT WAS LOCATED NEAR 
THE STONO INLET...MOVING SOUTHWEST AT 10 MPH. THE WATERSPOUT
MAY MOVE INLAND AS A TORNADO BETWEEN KIAWAH ISLAND AND
THE STONO INLET SHORTLY.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...KIAWAH
ISLAND.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A 
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE 
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV.

LAT...LON 3259 8012 3267 8010 3266 7996 3264 7995
      3263 7996 3263 7999 3261 7998 3260 8000
      3260 8006 3258 8010

$$

000 
WWUS52 KCHS 132033
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
432 PM EDT WED JUN 13 2007

SCC019-132040-
/O.CAN.KCHS.TO.W.0017.000000T0000Z-070613T2045Z/
CHARLESTON SC-
432 PM EDT WED JUN 13 2007

...THE TORNADO WARNING FOR CHARLESTON COUNTY HAS BEEN CANCELLED...

AT 428 PM EDT...TRAINED WEATHER SPOTTERS REPORTED THAT THE 
WATERSPOUT WHICH FORMED OFF THE FOLLY PIER HAS DISSIPATED. THE 
WATERSPOUT DISSIPATED JUST BEFORE MOVING ONSHORE NEAR THE STONO 
INLET. THE TORNADO WARNING HAS THEREFORE BEEN CANCELLED...HOWEVER A
SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CHARLESTON COUNTY
UNTIL 445 PM EDT.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV.

LAT...LON 3259 8012 3267 8010 3266 7996 3264 7995
      3263 7996 3263 7999 3261 7998 3260 8000
      3260 8006 3258 8010

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:34 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Colleton, Dorchester	71 min
Jun 12, 9:01 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton	44 min
Jun 12, 9:42 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Dorchester	63 min
Jun 12, 9:45 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton	60 min
Jun 13, 12:10 PM EDT	Severe Thunderstorm Warning	CHS	Charleston	50 min
Jun 13, 12:48 PM EDT	Severe Thunderstorm Warning	CHS	Charleston	57 min
Jun 13, 1:04 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	41 min
Jun 13, 1:07 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton	53 min
Jun 13, 1:37 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	53 min
Jun 13, 1:41 PM EDT	Severe Thunderstorm Warning	CHS	Charleston, Dorchester	64 min
Jun 13, 1:57 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort	63 min
Jun 13, 2:08 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	52 min
Jun 13, 2:15 PM EDT	Severe Thunderstorm Warning	CHS	Jasper	60 min
Jun 13, 2:23 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	67 min
Jun 13, 3:02 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Hampton	38 min
Jun 13, 3:38 PM EDT	Severe Thunderstorm Warning	CHS	Charleston	67 min
Jun 13, 4:07 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	23 min

Nearby

Tornado Warnings in South Carolina, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.