Alert archive / South Carolina / Tornado Warnings in 2004
Tornado Warning 15, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Aug 12, 2004, 10:55 PM EDT for Charleston County, South Carolina. It was in force for 35 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
- Aug 12, 2004, 10:55 PM EDT (02:55 UTC)
- Expired
- Aug 12, 2004, 11:30 PM EDT
- In force
- 35 min
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
County Charleston County, SC
The radar
The Charleston,SC radar (KCLX), 87 km from the middle of the area, began a volume at 02:56 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 nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 2.9 hours before the alert went out and 282 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.
- Mixed-layer CAPE
- 1796 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 826 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KCHS 130255 TORCHS SCC019-130330- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 1056 PM EDT THU AUG 12 2004 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * TORNADO WARNING FOR... CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA... * UNTIL 1130 PM EDT * AT 1056 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SEABROOK ISLAND...OR ABOUT 12 MILES NORTHEAST OF EDISTO BEACH...MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THE TORNADO INCLUDE... KIAWAH ISLAND AND SEABROOK ISLAND... JOHNS ISLAND... FOLLY BEACH... JAMES ISLAND... 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 3261 8027 3248 8013 3268 7982 3281 8005 $$ PM
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 8:02 PM EDT | Special Marine Warning | CHS | 28 min | |
| Aug 12, 8:26 PM EDT | Special Marine Warning | CHS | 64 min | |
| Aug 12, 8:30 PM EDT | Tornado Warning | CHS | Jasper | 30 min |
| Aug 12, 8:32 PM EDT | Special Marine Warning | CHS | 58 min | |
| Aug 12, 8:38 PM EDT | Special Marine Warning | CHS | 37 min | |
| Aug 12, 8:43 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Jasper | 32 min |
| Aug 12, 8:58 PM EDT | Special Marine Warning | CHS | 62 min | |
| Aug 12, 9:15 PM EDT | Special Marine Warning | CHS | 60 min | |
| Aug 12, 9:23 PM EDT | Special Marine Warning | CHS | 67 min | |
| Aug 12, 9:55 PM EDT | Special Marine Warning | CHS | 65 min | |
| Aug 12, 9:55 PM EDT | Special Marine Warning | CHS | 65 min | |
| Aug 12, 10:12 PM EDT | Special Marine Warning | CHS | 48 min | |
| Aug 12, 10:59 PM EDT | Special Marine Warning | CHS | 91 min | |
| Aug 12, 10:59 PM EDT | Special Marine Warning | CHS | 91 min | |
| Aug 12, 11:43 PM EDT | Severe Thunderstorm Warning | CHS | Charleston | 47 min |
| Aug 12, 11:54 PM EDT | Special Marine Warning | CHS | 96 min | |
| Aug 13, 12:31 AM EDT | Severe Thunderstorm Warning | CHS | Charleston | 14 min |
| Aug 13, 12:20 PM EDT | Special Marine Warning | CHS | 55 min | |
| Aug 13, 1:54 PM EDT | Special Marine Warning | CHS | 2 hr |
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; radar from the NEXRAD Level II archive.