Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 20, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 3, 1998, 9:01 PM EST for McCormick County, South Carolina. It was in force for 59 min. 1 report 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 3, 1998, 9:01 PM EST (02:01 UTC)
- Expired
- Apr 3, 1998, 10:00 PM EST
- In force
- 59 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County McCormick County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 3, 9:15 PM EST | Thunderstorm Wind 70 | Mc Cormick, SC | A downburst took down a couple of trees around a home at the intersection of hwy 10 and secondary 51. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 3, 4:00 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.0 hours before the alert went out and 211 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
- 2522 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 151 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 676 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 34.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCAE 040159 RRA SVRCAE SCC065-040300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 901 PM EST FRI APR 3 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN MCCORMICK COUNTY IN SOUTH CAROLINA * UNTIL 1000 PM EST * NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER ELBERT COUNTY...GEORGIA. THE STORM WAS MOVING EAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MT. CARMEL AT 915 PM
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 9:12 PM EST | Tornado Warning | CAE | McCormick | 18 min |
| Apr 3, 9:36 PM EST | Tornado Warning | CAE | Edgefield, Saluda | 39 min |
| Apr 3, 10:08 PM EST | Severe Thunderstorm Warning | CAE | Lexington, Newberry | 67 min |
| Apr 3, 10:19 PM EST | Tornado Warning | CAE | Lexington | 56 min |
| Apr 3, 10:32 PM EST | Severe Thunderstorm Warning | CAE | Richland | 43 min |
| Apr 3, 11:04 PM EST | Severe Thunderstorm Warning | CAE | Aiken | 56 min |
| Apr 3, 11:04 PM EST | Severe Thunderstorm Warning | CAE | Sumter | 56 min |
| Apr 3, 11:45 PM EST | Severe Thunderstorm Warning | CAE | Barnwell | 45 min |
| Apr 3, 11:55 PM EST | Severe Thunderstorm Warning | CAE | Bamberg | 35 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 1998Every severe thunderstorm warning 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.