Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 180, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jul 19, 1998, 11:02 PM EDT for Lexington County, Richland County, South Carolina. It was in force for 43 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
- Jul 19, 1998, 11:02 PM EDT (03:02 UTC)
- Expired
- Jul 19, 1998, 11:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
Counties Lexington County, SC, Richland County, SC
The radar
The Columbia radar (KCAE), 3 km from the middle of the area, began a volume at 03:06 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 |
|---|---|---|---|
| Jul 19, 11:55 PM EDT | Thunderstorm Wind 50 | Lexington, SC | EPD reported trees down in Crystal Springs area. |
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, 3.0 hours before the alert went out and 155 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
- 3426 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 63 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 KCAE 200301 SVRCAE SCC063-079-200345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 1102 PM EDT SUN JUL 19 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN LEXINGTON COUNTY IN SOUTH CAROLINA NORTHERN RICHLAND COUNTY IN SOUTH CAROLINA * UNTIL 1145 PM EDT * AT 1100 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTH OF CHAPIN. THE STORM WAS MOVING TOWARD THE SOUTH-SOUTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CHAPIN AT 1111 PM EDT WHITE ROCK AT 1125 PM EDT IRMO AT 1135 PM EDT AMATEUR RADIO AND OTHER SPOTTERSL ARE REQUESTED TO MONITOR THIS STORM AND RELAY REPORTS PROMPTLY TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE. TTH/BC
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
Local storm report, Jul 19, 7:13 PM EDT, 3 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
713 PM EDT SUN JUL 19 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
655 PM 9 S WINNSBORO SC WIND DAMAGE
07/19/98 FAIRFIELD FAIRFIELD COUNTY SHERIFF
REPORTED 2 TREES DOWN
ALONG US 321 1 MILE NORTH
Z OF RICHLAND COUNTY LINE
BCLocal storm report, Jul 19, 10:14 PM EDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
1014 PM EDT SUN JUL 19 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
945 PM 8 SSW LANCASTER SC WIND DAMAGE
07/19/98 LANCASTER LANCASTER COUNTY SHERIFF
REPORTS NUMEROUS TREES AND
POWER LINES DOWN
B CThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:43 PM EDT | Severe Thunderstorm Warning | CAE | Lancaster | 32 min |
| Jul 19, 10:00 PM EDT | Severe Thunderstorm Warning | CAE | Kershaw | 45 min |
| Jul 19, 10:26 PM EDT | Severe Thunderstorm Warning | CAE | Newberry | 34 min |
| Jul 19, 11:31 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Richland | 59 min |
| Jul 19, 11:57 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Orangeburg | 63 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; radar from the NEXRAD Level II archive.