Alert archive / South Carolina / Tornado Warnings in 2004

Tornado Warning 47, NWS Charleston, SC

September 7, 2004Jasper County, South Carolina

NWS Charleston, SC issued this tornado warning at Sep 7, 2004, 7:09 AM EDT for Jasper 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, 7:09 AM EDT (11:09 UTC)
Expired
Sep 7, 2004, 7:45 AM EDT
In force
36 min
Issued by
NWS Charleston, SC
Area
Counties, with a storm outline in the text

County Jasper County, SC

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 7, 4:00 AM EDTTornado WatchSPC10 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 11.2 hours before the alert went out and 111 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 00:00Z on 2004-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1460 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 00:00Z on 2004-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 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
1460 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
474 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

873 
WFUS52 KCHS 071109
TORCHS
SCC053-071145-
/X.NEW.KCHS.TO.W.0031.040907T1109Z-040907T1145Z/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 745 AM EDT

* AT 707 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  SWITZERLAND...OR ABOUT 6 MILES SOUTHWEST OF RIDGELAND...MOVING
  NORTH AT 45 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  SWITZERLAND AND GRAHAMVILLE...
  RIDGELAND AND TILLMAN...
  TARBORO...
  GILLISONVILLE AND PINELAND...
  GRAYS...

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 3231 8111 3236 8092 3276 8101 3261 8119

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 8:06 PM EDTTornado WarningCHSColleton39 min
Sep 7, 12:58 AM EDTTornado WarningCHSBerkeley47 min
Sep 7, 2:29 AM EDTTornado WarningCHSDorchester46 min
Sep 7, 2:40 AM EDTTornado WarningCHSJasper35 min
Sep 7, 3:13 AM EDTTornado WarningCHSBeaufort, Jasper32 min
Sep 7, 3:47 AM EDTTornado WarningCHSDorchester28 min
Sep 7, 5:09 AM EDTTornado WarningCHSAllendale21 min
Sep 7, 5:37 AM EDTTornado WarningCHSAllendale23 min
Sep 7, 10:15 AM EDTSevere Thunderstorm WarningCHSBerkeley30 min
Sep 7, 11:13 AM EDTTornado WarningCHSBerkeley, Charleston32 min
Sep 7, 11:39 AM EDTTornado WarningCHSAllendale36 min
Sep 7, 12:00 PM EDTSpecial Marine WarningCHS90 min
Sep 7, 3:14 PM EDTTornado WarningCHSHampton31 min
Sep 7, 3:31 PM EDTTornado WarningCHSAllendale14 min

Nearby

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