Alert archive / South Carolina / Tornado Warnings in 2002
Tornado Warning 8, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Oct 11, 2002, 6:25 AM EDT for Colleton County, South Carolina. It was in force for 35 min. 1 report 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
- Oct 11, 2002, 6:25 AM EDT (10:25 UTC)
- Expired
- Oct 11, 2002, 7:00 AM EDT
- In force
- 35 min
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
County Colleton County, SC
The radar
The Charleston,SC radar (KCLX), 32 km from the middle of the area, began a volume at 10:28 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 11, 6:40 AM EDT | Thunderstorm Wind 50 E | Hendersonville, SC | Several trees and large limbs were down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 10.4 hours before the alert went out and 69 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
- 2149 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
129 WFUS52 KCHS 111025 TORCHS SCC029-111100- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 624 AM EDT FRI OCT 11 2002 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * TORNADO WARNING FOR... CENTRAL COLLETON COUNTY IN SOUTHEAST SOUTH CAROLINA. * UNTIL 700 AM EDT. * AT 624 AM EDT...RADAR INDICATED A TORNADO NEAR WHITE HALL...OR ABOUT 8 MILES EAST OF YEMASSEE...MOVING NORTH AT 10 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE... WHITE HALL. GREEN POND. HENDERSONVILLE. RITTER. TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE. TAKE COVER NOW LAT...LON 3270 8080 3267 8065 3286 8053 3293 8084 $$ PY
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 8:48 PM EDT | Special Marine Warning | CHS | 42 min | |
| Oct 10, 9:26 PM EDT | Flash Flood Warning | CHS | Charleston | 3 hr |
| Oct 10, 9:33 PM EDT | Special Marine Warning | CHS | 57 min | |
| Oct 10, 9:55 PM EDT | Tornado Warning | CHS | Charleston | 50 min |
| Oct 11, 3:05 AM EDT | Special Marine Warning | CHS | 55 min | |
| Oct 11, 10:43 AM EDT | Flash Flood Warning | CHS | Berkeley | 2 hr |
| Oct 11, 11:00 AM EDT | Flash Flood Warning | CHS | Berkeley, Charleston | 2 hr |
| Oct 11, 11:42 AM EDT | Severe Thunderstorm Warning | CHS | Berkeley | 63 min |
| Oct 11, 12:59 PM EDT | Flash Flood Warning | CHS | Berkeley | 3 hr |
Nearby
Tornado Warnings in South Carolina, 2002Every tornado warning in 2002Tornadoes in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.