Alert archive / South Carolina / Tornado Warnings in 1998
Tornado Warning 6, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Apr 9, 1998, 6:13 AM EDT for Jasper County, South Carolina. It was in force for 17 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 9, 1998, 6:13 AM EDT (10:13 UTC)
- Expired
- Apr 9, 1998, 6:30 AM EDT
- In force
- 17 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
County Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 26 km from the middle of the area, began a volume at 10:17 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 |
|---|---|---|---|
| Apr 9, 6:22 AM EDT | Tornado F1 | Hardeeville, SC | Numerous trees uprooted or snapped off, shingles taken off of nearby roofs, and several other buildings damaged. This F1 tornado was spawned by the same supercell that produced the F3 tornado in Bryan County, Georgia that moved into western Effingham County a |
| Apr 9, 6:25 AM EDT | Hail 1 | Ridgeland, SC |
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, 10.2 hours before the alert went out and 110 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHS 091013 RRA TORCHS SCC053-091030- BULLETIN...EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 613 AM EDT THU APR 9 1998 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * TORNADO WARNING FOR... JASPER COUNTY IN SOUTH CAROLINA * UNTIL 630 AM EDT * AT 610 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR THE SAVANNAH RIVER EAST OF RINCON... MOVING NORTHEAST AT 50 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... BETWEEN HARDEEVILLE AND RIDGELAND AT 620 AM GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! ML
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 1:03 AM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Charleston | 47 min |
| Apr 9, 6:27 AM EDT | Tornado Warning | CHS | Beaufort | 33 min |
Nearby
Tornado Warnings in South Carolina, 1998Every tornado warning in 1998Tornadoes in 1998
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.