Alert archive / South Carolina / Tornado Warnings in 2013

Tornado Warning 8, NWS Charleston, SC

June 6, 2013Beaufort County, South Carolina

NWS Charleston, SC issued this tornado warning at Jun 6, 2013, 9:22 PM EDT for Beaufort County, South Carolina. It was in force for 23 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 6, 2013, 9:22 PM EDT (01:22 UTC)
Expired
Jun 6, 2013, 9:45 PM EDT
In force
23 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

County Beaufort County, SC

The radar

The Charleston,SC radar (KCLX), 57 km from the middle of the area, began a volume at 01:25 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 00:00Z, 1.4 hours before the alert went out and 92 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 2013-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 345 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 2013-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
345 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

708 
WFUS52 KCHS 070122
TORCHS
SCC013-070145-
/O.NEW.KCHS.TO.W.0008.130607T0122Z-130607T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
922 PM EDT THU JUN 6 2013

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR PORTIONS OF...
  BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...

* UNTIL 945 PM EDT

* AT 922 PM EDT...RADAR DETECTED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A WATERSPOUT THAT COULD MOVE ONSHORE AS A TORNADO 9 MILES
  SOUTHEAST OF PARRIS ISLAND...MOVING NORTH AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  PARRIS ISLAND...PORT ROYAL...LADYS ISLAND...SHELL POINT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WATERSPOUTS THAT MOVE ONSHORE BECOME TORNADOES. IF YOU ARE ALONG THE
SHORE...SEEK SHELTER IN A STURDY BUILDING. AS A LAST RESORT...FIND A
LOW SPOT AND PROTECT YOURSELF FROM FLYING DEBRIS.

REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024...WHEN IT IS
SAFE TO DO SO.

&&

LAT...LON 3221 8067 3238 8084 3248 8055 3228 8054
      3227 8057 3227 8059 3225 8062 3226 8065
      3224 8064 3225 8063 3224 8063 3223 8062
      3221 8066
TIME...MOT...LOC 0122Z 167DEG 34KT 3225 8061

$$
3 follow-up statements
298 
WWUS52 KCHS 070131
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
931 PM EDT THU JUN 6 2013

SCC013-070145-
/O.CON.KCHS.TO.W.0008.000000T0000Z-130607T0145Z/
BEAUFORT SC-
931 PM EDT THU JUN 6 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR PORTIONS
OF BEAUFORT COUNTY...

AT 930 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LANDS END...OR
ABOUT 9 MILES NORTHEAST OF HILTON HEAD ISLAND...MOVING NORTH AT 40
MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CAT 
ISLAND...PARRIS ISLAND...PORT ROYAL...LADYS ISLAND...LEMON ISLAND 
AND SHELL POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR POSSIBLE.
AVOID WINDOWS.

&&

LAT...LON 3225 8067 3238 8084 3248 8055 3228 8054
      3227 8057 3227 8059 3225 8062 3225 8063
      3226 8065 3228 8065 3226 8065 3225 8064
TIME...MOT...LOC 0130Z 168DEG 33KT 3231 8062

$$
695 
WWUS52 KCHS 070136
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
936 PM EDT THU JUN 6 2013

SCC013-070145-
/O.CON.KCHS.TO.W.0008.000000T0000Z-130607T0145Z/
BEAUFORT SC-
936 PM EDT THU JUN 6 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR PORTIONS
OF BEAUFORT COUNTY...

AT 937 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SCOTT...OR ABOUT
OVER PORT ROYAL...MOVING NORTH AT 35 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CAT 
ISLAND...PARRIS ISLAND...PORT ROYAL...LADYS ISLAND AND SHELL POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. IF YOU WAIT UNTIL YOU SEE OR HEAR THE TORNADO
COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

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 3232 8068 3240 8078 3248 8055 3235 8056
      3231 8062
TIME...MOT...LOC 0137Z 167DEG 32KT 3236 8064

$$
909 
WWUS52 KCHS 070145
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
945 PM EDT THU JUN 6 2013

SCC013-070154-
/O.EXP.KCHS.TO.W.0008.000000T0000Z-130607T0145Z/
BEAUFORT SC-
945 PM EDT THU JUN 6 2013

...THE TORNADO WARNING FOR PORTIONS OF BEAUFORT COUNTY HAS 
EXPIRED...

AT 945 PM EDT...RADAR INDICATED THAT TORNADIC THUNDERSTORM THAT
PROMPTED THE WARNING WEAKENED...AND WAS NO LONGER CAPABLE OF
PRODUCING TORNADOES OR OTHER SEVERE WEATHER. THE TORNADO WARNING HAS
THEREFORE BEEN ALLOWED TO EXPIRE.

ALTHOUGH THE TORNADO WARNING HAS EXPIRED...WEAK ROTATION CONTINUES IN
THIS STORM. IF THE STORM RESTRENGTHENS...ANOTHER TORNADO WARNING MAY
BE REQUIRED.

LAT...LON 3232 8068 3240 8078 3248 8055 3235 8056
      3231 8062
TIME...MOT...LOC 0143Z 167DEG 32KT 3241 8065

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 9:00 PM EDTSpecial Weather StatementCHSBeaufort30 min
Jun 6, 9:49 PM EDTSpecial Weather StatementCHSBeaufort26 min
Jun 6, 10:17 PM EDTTornado WarningCHSColleton43 min
Jun 6, 11:13 PM EDTSpecial Weather StatementCHSCharleston32 min
Jun 7, 11:30 AM EDTSmall Craft AdvisoryCHS13 hr
Jun 7, 4:14 PM EDTRip Current StatementCHS3 hr

Nearby

Tornado Warnings in South Carolina, 2013Every tornado warning in 2013Tornadoes in 2013

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.