Alert archive / South Carolina / Tornado Warnings in 2007

Tornado Warning 5, NWS Charleston, SC

February 25, 2007Jasper County, South Carolina

NWS Charleston, SC issued this tornado warning at Feb 25, 2007, 5:00 PM EST for Jasper County, South Carolina. It was in force for 9 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: Feb 25, 2007, 5:00 PM EST (22:00 UTC)
Expired: Feb 25, 2007, 5:09 PM EST
In force: 9 min
Issued by: NWS Charleston, SC
Area: Counties, with a storm outline in the text

County Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 43 km from the middle of the area, began a volume at 22:03 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
Feb 25, 4:32 PM EST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 10.0 hours before the alert went out and 120 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: 2 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 814 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 335 m²/s²
0-3 km storm-relative helicity: 439 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 252200
TORCHS
SCC053-252230-
/O.NEW.KCHS.TO.W.0005.070225T2200Z-070225T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
500 PM EST SUN FEB 25 2007

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 530 PM EST

* AT 458 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  PURYSBURGH...OR ABOUT 13 MILES NORTH OF SAVANNAH...MOVING EAST AT
  35 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  PURYSBURGH...
  HARDEEVILLE...
  PRITCHARD...
  JASPER...

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 3221 8114 3226 8114 3228 8112 3233 8113
      3236 8086 3234 8093 3229 8094 3229 8100
      3226 8100 3221 8101 3219 8112

$$

1 follow-up statement

000 
WWUS52 KCHS 252209
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
509 PM EST SUN FEB 25 2007

SCC053-252219-
/O.CAN.KCHS.TO.W.0005.000000T0000Z-070225T2230Z/
JASPER SC-
509 PM EST SUN FEB 25 2007

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

AT 508 PM EST...RADAR INDICATED THAT THE TORNADIC THUNDERSTORM WHICH
PROMPTED THE TORNADO WARNING HAD MOVED OUT OF THE WARNED AREA...THUS
THE WARNING HAS BEEN CANCELED.

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 3221 8114 3226 8114 3228 8112 3233 8113
      3236 8086 3234 8093 3229 8094 3229 8100
      3226 8100 3221 8101 3219 8112

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 10:16 PM EST	Lake Wind Advisory	CHS	Berkeley	21 hr
Feb 25, 4:00 PM EST	Severe Thunderstorm Warning	CHS	Allendale	30 min
Feb 25, 4:11 PM EST	Severe Thunderstorm Warning	CHS	Hampton	34 min
Feb 25, 4:33 PM EST	Severe Thunderstorm Warning	CHS	Colleton	42 min
Feb 25, 5:15 PM EST	Severe Thunderstorm Warning	CHS	Beaufort	45 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.