Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 46, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 18, 1998, 1:49 AM EDT for Bamberg County, South Carolina. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 18, 1998, 1:49 AM EDT (05:49 UTC)
- Expired
- Apr 18, 1998, 2:30 AM EDT
- In force
- 41 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Bamberg County, SC
The radar
The Charleston,SC radar (KCLX), 62 km from the middle of the area, began a volume at 05:50 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
Charleston AFB, SC (KCHS), launched 00:00Z, 5.8 hours before the alert went out and 104 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
- 660 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
490 WUUS1 KCAE 180551 RRA SVRCAE SCC009-180630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 149 AM EDT SAT APR 18 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BAMBERG COUNTY IN SOUTH CAROLINA * UNTIL 230 AM EDT * AT 150 AM...RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN GOVAN AND OLAR...MOVING EASTNORTHEAST AT 35 MPH . * THE SEVERE THUNDERSTORM WILL BE NEAR... JUST SOUTH OF BAMBERG AT 200 AM EDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. RCC
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 17, 9:20 PM EDT, 4 hours 29 minutes before
GAZ040-063-064-065-077-180220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 920 PM EDT FRI APR 17 1998 THE SEVERE THUNDERSTORM WATCH ISSUED AT 713 PM EDT HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN THE NATIONAL WEATHER SERVICE OFFICE COLUMBIA COUNTY WARNING AREA: BURKE COLUMBIA LINCOLN MCDUFFIE RICHMOND THE THREAT OF SEVERE WEATHER HAS DIMINISHED OVER THE AREA. COLLINS
Special weather statement, Apr 17, 9:20 PM EDT, 4 hours 29 minutes before
GAZ040-063-064-065-077-180220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 920 PM EDT FRI APR 17 1998 THE SEVERE THUNDERSTORM WATCH ISSUED AT 713 PM EDT HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN THE NATIONAL WEATHER SERVICE OFFICE COLUMBIA COUNTY WARNING AREA: BURKE COLUMBIA LINCOLN MCDUFFIE RICHMOND THE THREAT OF SEVERE WEATHER HAS DIMINISHED OVER THE AREA. COLLINS
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 8:38 AM EDT | Severe Thunderstorm Warning | CAE | Richland, Sumter | 37 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.