Alert archive / South Carolina / Tornado Warnings in 2004

Tornado Warning 49, NWS Charleston, SC

September 7, 2004Allendale County, South Carolina

NWS Charleston, SC issued this tornado warning at Sep 7, 2004, 11:39 AM EDT for Allendale County, South Carolina. It was in force for 36 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: Sep 7, 2004, 11:39 AM EDT (15:39 UTC)
Expired: Sep 7, 2004, 12:15 PM EDT
In force: 36 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), 50 km from the middle of the area, began a volume at 15:41 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
Sep 7, 4:00 AM EDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 3.7 hours before the alert went out and 128 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: 2597 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 466 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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 071539
TORCHS
SCC005-071615-
/X.NEW.KCHS.TO.W.0033.040907T1539Z-040907T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1139 AM EDT TUE SEP 7 2004

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 1215 PM EDT

* AT 1136 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES
  SOUTHWEST OF ALLENDALE...MOVING NORTH AT 40 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  ALLENDALE...
  APPLETON AND SEIGLING...

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 3294 8139 3295 8130 3311 8125 3312 8151

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 6, 8:06 PM EDT	Tornado Warning	CHS	Colleton	39 min
Sep 7, 12:58 AM EDT	Tornado Warning	CHS	Berkeley	47 min
Sep 7, 2:29 AM EDT	Tornado Warning	CHS	Dorchester	46 min
Sep 7, 2:40 AM EDT	Tornado Warning	CHS	Jasper	35 min
Sep 7, 3:13 AM EDT	Tornado Warning	CHS	Beaufort, Jasper	32 min
Sep 7, 3:47 AM EDT	Tornado Warning	CHS	Dorchester	28 min
Sep 7, 5:09 AM EDT	Tornado Warning	CHS	Allendale	21 min
Sep 7, 5:37 AM EDT	Tornado Warning	CHS	Allendale	23 min
Sep 7, 7:09 AM EDT	Tornado Warning	CHS	Jasper	36 min
Sep 7, 10:15 AM EDT	Severe Thunderstorm Warning	CHS	Berkeley	30 min
Sep 7, 11:13 AM EDT	Tornado Warning	CHS	Berkeley, Charleston	32 min
Sep 7, 12:00 PM EDT	Special Marine Warning	CHS		90 min
Sep 7, 3:14 PM EDT	Tornado Warning	CHS	Hampton	31 min
Sep 7, 3:31 PM EDT	Tornado Warning	CHS	Allendale	14 min

Nearby

Tornado Warnings in South Carolina, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.