Alert archive / South Carolina / Tornado Warnings in 2007

Tornado Warning 2, NWS Charleston, SC

February 13, 2007Allendale County, South Carolina

NWS Charleston, SC issued this tornado warning at Feb 13, 2007, 6:52 PM EST for Allendale County, South Carolina. It was in force for 38 min. 3 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
Feb 13, 2007, 6:52 PM EST (23:52 UTC)
Expired
Feb 13, 2007, 7:30 PM EST
In force
38 min
Issued by
NWS Charleston, SC
Area
Counties, with a storm outline in the text

County Allendale County, SC

The radar

The Charleston,SC radar (KCLX), 45 km from the middle of the area, began a volume at 23:53 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
Feb 13, 7:00 PM ESTTSTM WND DMG1 S Allendale, SCSTRONG THUNDERSTORM WINDS UPROOTED OR SNAPPED OFF A FEW TREES OR BROKE OFF LARGE TREE LIMBS IN SEVERAL LOCATIONS FROM 1 MILE SOUTH OF ALLENDALE TO 1.5 MILES NORTHEAST OF SYCAMORE. THE DAMAGE 1.5 MILES NORTHEAST OF SYCAMORE OCCURRED AROUND 712 PM.
Feb 13, 7:01 PM ESTTORNADO1 Se Allendale, SCA TORNADO DEVELOPED ABOUT 1 MILE SOUTHEAST OF ALLENDALE AND TRAVELED NORTH-NORTHEAST ABOUT 60 YARDS BEFORE LIFTING. THE TORNADO WAS ABOUT 30 YARDS WIDE AND HAD MAXIMIM WIND SPEEDS ESTIMATED TO BE 90 MPH. THIS PUTS IT IN THE LOW END OF THE F1 CATEGORY. MORE INF
Feb 13, 7:10 PM ESTTSTM WND DMG1 E Allendale, SC2 TREES WERE REPORTED DOWN ON HIGHWAY 3 AND HIGHWAY 278 ABOUT 1 MILE EAST OF ALLENDALE.

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
Feb 13, 4:54 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.9 hours before the alert went out and 126 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 2007-02-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 180 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 2007-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
180 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KCHS 132352
TORCHS
SCC005-140030-
/O.NEW.KCHS.TO.W.0002.070213T2352Z-070214T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
652 PM EST TUE FEB 13 2007

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 730 PM EST

* AT 649 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
  SOUTHWEST OF BARTON...OR ABOUT 12 MILES NORTHEAST OF SYLVANIA...
  MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  BARTON...APPLETON...
  FAIRFAX...ALLENDALE...
  SYCAMORE...
  ULMER...

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

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

LAT...LON 3296 8150 3283 8143 3279 8142 3304 8109
      3312 8118 3311 8130

$$
3 follow-up statements
000 
WWUS52 KCHS 140004
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
703 PM EST TUE FEB 13 2007

SCC005-140030-
/O.CON.KCHS.TO.W.0002.000000T0000Z-070214T0030Z/
ALLENDALE SC-
703 PM EST TUE FEB 13 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EST FOR ALLENDALE
COUNTY...

AT 701 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FAIRFAX...OR NEAR 
ALLENDALE...MOVING NORTHEAST AT 50 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
ALLENDALE...FAIRFAX...SEIGLING...SYCAMORE AND ULMER.

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

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 3298 8143 3292 8130 3304 8109 3312 8118
      3311 8130

$$
000 
WWUS52 KCHS 140015
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
715 PM EST TUE FEB 13 2007

SCC005-140030-
/O.CON.KCHS.TO.W.0002.000000T0000Z-070214T0030Z/
ALLENDALE SC-
715 PM EST TUE FEB 13 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EST FOR ALLENDALE
COUNTY...

AT 714 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SYCAMORE...OR
ABOUT 6 MILES EAST OF ALLENDALE...MOVING NORTHEAST AT 50 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
SEIGLING...SYCAMORE AND ULMER.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY 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 3304 8133 3297 8125 3304 8109 3312 8118
      3311 8130

$$
000 
WWUS52 KCHS 140029
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
729 PM EST TUE FEB 13 2007

SCC005-140039-
/O.EXP.KCHS.TO.W.0002.000000T0000Z-070214T0030Z/
ALLENDALE SC-
729 PM EST TUE FEB 13 2007

...THE TORNADO WARNING FOR ALLENDALE COUNTY WILL EXPIRE AT 730 PM
EST...

AT 727 PM EST...RADAR INDICATED THAT THE TORNADIC THUNDERSTORM WHICH
PROMPTED THE WARNING HAD MOVED OUT OF THE WARNED AREA...THUS THE
TORNADO WARNING BEEN ALLOWED TO EXPIRE.

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 OFFICE 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 3304 8133 3297 8125 3304 8109 3312 8118
      3311 8130

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 13, 4:50 PM ESTLake Wind AdvisoryCHSBerkeley26 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.