Alert archive / South Carolina / Tornado Warnings in 2007

Tornado Warning 22, NWS Charleston, SC

July 27, 2007Dorchester County, South Carolina

NWS Charleston, SC issued this tornado warning at Jul 27, 2007, 7:14 PM EDT for Dorchester County, South Carolina. It was in force for 42 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 27, 2007, 7:14 PM EDT (23:14 UTC)
Expired
Jul 27, 2007, 7:56 PM EDT
In force
42 min
Issued by
NWS Charleston, SC
Area
Counties, with a storm outline in the text

County Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 75 km from the middle of the area, began a volume at 23:14 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

TimeReportWhereRemark
Jul 27, 7:25 PM EDTFUNNEL CLOUDReevesville, SCWCIV TV RELAYED A REPORT FROM THE PUBLIC OF A FUNNEL CLOUD NEAR COMMUNITY ROAD.
Jul 27, 7:55 PM EDTHAIL 0.75Saint George, SCPENNY SIZE HAIL REPORTED IN SAINT GEORGE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.2 hours before the alert went out and 47 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 12:00Z on 2007-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2040 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2007-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
2040 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
26 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 272314
TORCHS
SCC035-280015-
/O.NEW.KCHS.TO.W.0022.070727T2314Z-070728T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
714 PM EDT FRI JUL 27 2007

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 815 PM EDT

* AT 714 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  REEVESVILLE...OR ABOUT OVER SAINT GEORGE...MOVING SOUTHEAST AT 5
  MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  REEVESVILLE...
  SAINT GEORGE...
  HARLEYVILLE...
  DORCHESTER...RIDGEVILLE...

A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES. MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST
FLOOR. STAY AWAY FROM WINDOWS.

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

LAT...LON 3332 8053 3317 8031 3316 8031 3307 8021
      3293 8039 3297 8041 3302 8038 3305 8039
      3305 8043 3306 8046 3306 8062 3321 8074
TIME...MOT...LOC 2314Z 314DEG 8KT 3325 8061

$$
2 follow-up statements
000 
WWUS52 KCHS 272326
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
726 PM EDT FRI JUL 27 2007

SCC035-280015-
/O.CON.KCHS.TO.W.0022.000000T0000Z-070728T0015Z/
DORCHESTER SC-
726 PM EDT FRI JUL 27 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
DORCHESTER COUNTY...

AT 726 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR MOUNT ZION...OR
ABOUT OVER SAINT GEORGE...MOVING SOUTHEAST AT 10 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
DORCHESTER...GIVHANS...HARLEYVILLE...JEDBURG...REEVESVILLE...
RIDGEVILLE AND SAINT GEORGE.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLFBALL 
SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 3332 8053 3317 8031 3316 8031 3307 8021
      3293 8039 3297 8041 3302 8038 3305 8039
      3305 8043 3306 8046 3306 8062 3321 8074
TIME...MOT...LOC 2326Z 317DEG 10KT 3322 8058

$$
000 
WWUS52 KCHS 272356
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
755 PM EDT FRI JUL 27 2007

SCC035-280005-
/O.CAN.KCHS.TO.W.0022.000000T0000Z-070728T0015Z/
DORCHESTER SC-
755 PM EDT FRI JUL 27 2007

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

AT 755 PM EDT...RADAR INDICATED THAT THE TORNADIC THUNDERSTORM WHICH
PROMPTED THE WARNING HAS WEAKENED...AND WAS NO LONGER CAPABLE OF
PRODUCING TORNADOES OR OTHER SEVERE WEATHER. THE TORNADO WARNING HAS 
THEREFORE BEEN CANCELLED. THE STORM REMAINS STRONG HOWEVER...AND HAS 
THE CAPABILITY OF PRODUCING WINDS UP TO 50 MPH AND HALF INCH HAIL.

STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS...TV OR YOUR LOCAL NEW
SOURCE FOR THE LATEST WEATHER INFORMATION. REPORT ANY SEVERE WEATHER
OR STORM RELATED DAMAGE TO LOCAL EMERGENCY MANAGEMENT OR LAW
ENFORCEMENT OFFICIALS AND ASK THEM TO IMMEDIATELY RELAY THE REPORT TO
THE NATIONAL WEATHER SERVICE IN CHARLESTON.

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 3332 8053 3317 8031 3316 8031 3307 8021
      3293 8039 3297 8041 3302 8038 3305 8039
      3305 8043 3306 8046 3306 8062 3321 8074
TIME...MOT...LOC 2355Z 317DEG 10KT 3316 8051

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 6:42 PM EDTSevere Thunderstorm WarningCHSDorchester48 min

Nearby

Tornado Warnings in South Carolina, 2007Every tornado warning in 2007Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.