Alert archive / South Carolina / Tornado Warnings in 2007

Tornado Warning 13, NWS Charleston, SC

April 15, 2007Colleton County, South Carolina

NWS Charleston, SC issued this tornado warning at Apr 15, 2007, 9:38 AM EDT for Colleton County, South Carolina. It was in force for 39 min. 12 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
Apr 15, 2007, 9:38 AM EDT (13:38 UTC)
Expired
Apr 15, 2007, 10:17 AM EDT
In force
39 min
Issued by
NWS Charleston, SC
Area
Counties, with a storm outline in the text

County Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 45 km from the middle of the area, began a volume at 13:40 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
Apr 15, 9:43 AM EDTTSTM WND DMGIslandton, SCPOSSIBLE TORNADO OFF FORKS ROAD AND SC 63...DAMAGE SURVEY TO BE CONDUCTED MONDAY. STRUCTURAL DAMAGE REPORTED TO MOBILE HOME. HORSE TRAILER DESTROYED.
Apr 15, 9:43 AM EDTTORNADO1 Ese Islandton, SCNWS STORM SURVEY FOUND A TORNADO TOUCH DOWN 1.5 MILES EAST SOUTHEAST OF ISLANDTON. THE TORNADO MOVED NORTHEAST AND WAS ON THE GROUND FOR ONE HALF MILE. THE TORNADO IS RATED AS F1 WITH WIND SPEEDS ESTIMATED NEAR 100 MPH ON THE ENHANCED FUJITA SCALE.
Apr 15, 9:43 AM EDTTORNADO1 Se Islandton, SCNWS STORM SURVEY CONCLUDED A TORNADO TOUCHDOWN 1.5 MILES SOUTHEAST OF ISLANDTON. THE TORNADO TRAVELED NORTHEAST WITH A PATH LENGTH OF 1 MILE. THE TORNADO IS RATED F1 WITH PRELIMINARY WIND SPEEDS ESTIMATED TO BE 100-110 MPH ON THE ENHANCED FUJITA SCALE.
Apr 15, 9:45 AM EDTTSTM WND DMG5 E Islandton, SCPOSSIBLE TORNADO DAMAGE ON LOWCOUNTRY HIGHWAY /US HIGHWAY 21/...DAMAGE SURVEY TO BE CONDUCTED MONDAY. LARGE PINE TREES DOWN.
Apr 15, 9:46 AM EDTTSTM WND DMG4 Sse Bells Crossroads, SCPOSSIBLE TORNADO DAMAGE ON HUDSON MILL ROAD...DAMAGE SURVEY TO BE CONDUCTED MONDAY. TREES UPROOTED.
Apr 15, 9:47 AM EDTTSTM WND DMG5 S Ruffin, SC*** 3 INJ *** POSSIBLE TORNADO DAMAGE ON RED ROOT ROAD...DAMAGE SURVEY TO BE CONDUCTED MONDAY. DOUBLE WIDE MOBILE HOME OVERTURNED. THREE OCCUPANTS SUSTAINED MINOR INJURIES.
Apr 15, 9:47 AM EDTTORNADO3 Ssw Ruffin, SC*** 9 INJ *** NWS STORM SURVEY FOUND A TORNADO TOUCHDOWN 3 MILES SOUTH SOUTHWEST OF RUFFIN. THE TORNADO TRACKED NORTHEAST FOR 2 MILES WITH SPORATIC DAMAGE ALONG THE PATCH. THE TORNADO IS RATED AS F1 WITH WIND SPEEDS NEAR 100 MPH ON THE ENHANCED FUJITA SCALE.
Apr 15, 9:49 AM EDTTSTM WND DMG4 Sse Ruffin, SC*** 6 INJ *** POSSIBLE TORNADO DAMAGE ON BLAINE COURT...DAMAGE SURVEY TO BE CONDUCTED MONDAY. EIGHT MOBILE HOMES EITHER DAMAGED OR DESTROYED IN THE AREA.
Apr 15, 9:49 AM EDTTSTM WND DMGRuffin, SCPOSSIBLE TORNADO OFF AZALIA PATCH ROAD...DAMAGE SURVEY TO BE CONDUCTED MONDAY. MOBILE HOME OVERTURNED AND DESTROYED.
Apr 15, 9:50 AM EDTTSTM WND DMG4 Sse Ruffin, SCPOSSIBLE TORNADO DAMAGE ON SC HIGHWAY 64 AND DEL ARCOL ROAD...DAMAGE SURVEY TO BE CONDUCTED MONDAY. BARN DAMAGED. LARGE DEBRIS IN ROAD.
Apr 15, 9:52 AM EDTTSTM WND DMGIslandton, SCSEVERAL TREES DOWN ON HOMES. REPORT FROM THE PUBLIC RELAYED BY THE COUNTY WARNING POINT.
Apr 15, 9:54 AM EDTTSTM WND DMGRuffin, SCMOBILE HOME FLIPPED OVER. REPORT FROM THE PUBLIC RELAYED BY THE COUNTY WARNING POINT.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 15, 8:08 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 1.6 hours before the alert went out and 72 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 2007-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 948 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 2007-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 square meters per square second.1939587897117Sfc1 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
948 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
1.9
Supercell composite
6.4

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KCHS 151338
TORCHS
SCC029-151430-
/O.NEW.KCHS.TO.W.0013.070415T1338Z-070415T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
938 AM EDT SUN APR 15 2007

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 1030 AM EDT

* AT 935 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  ISLANDTON...OR ABOUT 12 MILES EAST OF HAMPTON...MOVING NORTHEAST AT
  40 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  ISLANDTON...
  RUFFIN...
  CANADYS...

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 3290 8098 3283 8090 3304 8039 3306 8061
      3315 8072

$$
2 follow-up statements
000 
WWUS52 KCHS 151357
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
957 AM EDT SUN APR 15 2007

SCC029-151430-
/O.CON.KCHS.TO.W.0013.000000T0000Z-070415T1430Z/
COLLETON SC-
957 AM EDT SUN APR 15 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT FOR COLLETON
COUNTY...

AT 954 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS 
TORNADIC THUNDERSTORM WAS LOCATED NEAR CANADYS...OR ABOUT 8 MILES 
NORTH OF WALTERBORO...MOVING NORTHEAST AT 45 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... 
SPRINGTOWN AND CANADYS.

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 3303 8077 3297 8064 3305 8051 3306 8061
      3315 8072

$$
000 
WWUS52 KCHS 151417
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1017 AM EDT SUN APR 15 2007

SCC029-151427-
/O.CAN.KCHS.TO.W.0013.000000T0000Z-070415T1430Z/
COLLETON SC-
1017 AM EDT SUN APR 15 2007

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

AT 1014 AM EDT...RADAR INDICATED THAT THE TORNADIC THUNDERSTORM WHICH
PROMPTED THE TORNADO WARNING HAD MOVED OUT OF THE WARNED AREA...THUS
THE WARNING HAS BEEN CANCELED.

STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS...TV OR YOUR LOCAL NEWS 
SOURCE FOR THE LATEST WEATHER INFORMATION. 

COUNTY OFFICIALS REPORTED A MOBILE HOME FLIPPED OVER IN RUFFIN AND 
SEVERAL TREES DOWN ON HOMES IN ISLANDTON FROM THE THUNDERSTORM THAT 
PROMPTED THIS TORNADO WARNING.

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 3303 8077 3297 8064 3305 8051 3306 8061
      3315 8072

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 1:45 AM EDTTornado WarningCHSBerkeley30 min
Apr 15, 3:37 AM EDTSevere Thunderstorm WarningCHSAllendale38 min
Apr 15, 3:44 AM EDTTornado WarningCHSAllendale31 min
Apr 15, 4:23 AM EDTTornado WarningCHSAllendale27 min
Apr 15, 7:02 AM EDTTornado WarningCHSAllendale13 min
Apr 15, 7:39 AM EDTTornado WarningCHSAllendale36 min
Apr 15, 10:03 AM EDTTornado WarningCHSDorchester27 min
Apr 15, 10:21 AM EDTSevere Thunderstorm WarningCHSBerkeley39 min
Apr 15, 10:35 AM EDTSevere Thunderstorm WarningCHSColleton, Dorchester40 min
Apr 15, 10:59 AM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston91 min
Apr 15, 11:14 AM EDTSevere Thunderstorm WarningCHSColleton, Dorchester37 min
Apr 15, 4:02 PM EDTFire Weather WatchCHSAllendale, Berkeley, Colleton, Dorchester, Hampton13 hr

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.