Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 55, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 22, 1998, 6:44 PM EDT for Chesterfield County, South Carolina. It was in force for 46 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 22, 1998, 6:44 PM EDT (22:44 UTC)
- Expired
- Apr 22, 1998, 7:30 PM EDT
- In force
- 46 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Chesterfield County, SC
The radar
The Columbia radar (KCAE), 117 km from the middle of the area, began a volume at 22:48 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 22, 6:58 PM EDT | Hail 0.75 | Patrick, SC | Post Office reported 3/4 inch hail. |
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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.7 hours before the alert went out and 162 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
- 1374 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
168 WUUS1 KCAE 222245 RRA SVRCAE SCC025-222330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 644 PM EDT WED APR 22 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHESTERFIELD COUNTY IN SOUTH CAROLINA * UNTIL 730 PM EDT * WEATHER SERVICE RADAR DETECTED TWO SEVERE THUNDERSTORMS IN CHESTERFIELD COUNTY AT 640 PM. ONE WAS 5 MILES WEST OF THE TOWN OF PATRICK WHILE THE OTHER WAS 10 MILES SOUTHWEST OF THE TOWN OF CHESTERFIELD. MOVEMENT WAS NORTHEAST AT 10 TO 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MT. CROGHAN AT 700 PM CHERAW AT 715 PM CHESTERFIELD AT 715 PM
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, Apr 22, 3:06 PM EDT, 3 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
306 PM EDT WED APR 22 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
258 PM NORTH AUGUSTA SC .75 INCH HAIL
04/22/98 AIKEN PUBLIC REPORT
305 PM CLEARWATER SC .75 INCH HAIL
04/22/98 AIKEN PEA TO DIME SIZED HAIL
TTHLocal storm report, Apr 22, 3:29 PM EDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
329 PM EDT WED APR 22 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
325 PM 7 S AIKEN SC .88 INCH HAIL
04/22/98 AIKEN HAM SPOTTER REPORTED
NICKEL SIZE HAIL NEAR
INTERSECTION OF ROUTE 302
AND US 278
330 PM 2 E AIKEN SC .88 INCH HAIL
04/22/98 AIKEN HAM SPOTTER REPORTED
NICKEL HAIL AT THE
INTERSECTION OF ROUTE
302AND US 78.
AWPLocal storm report, Apr 22, 4:01 PM EDT, 2 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
401 PM EDT WED APR 22 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
353 PM BATESBURG SC .75 INCH HAIL
04/22/98 LEXINGTON DIME SIZE HAIL REPORTED IN
BATESBURG
BCLocal storm report, Apr 22, 4:05 PM EDT, 2 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
405 PM EDT WED APR 22 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
345 PM 5 SW SALUDA SC .88 INCH HAIL
04/22/98 SALUDA NICKEL SIZE HAIL REPORTED
ALONG U.S. HIGHWAY 178
BCLocal storm report, Apr 22, 5:19 PM EDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
519 PM EDT WED APR 22 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
500 PM WEST COLUMBIA SC 1.75 INCH HAIL
04/22/98 LEXINGTON PUBLIC REPORT GOLF BALL
SIZED HAIL AT LEXINGTON
COUNTY MEDICAL CENTER NEAR
INTERSECTION OF US1-I26
TTHLocal storm report, Apr 22, 6:11 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
611 PM EDT WED APR 22 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
506 PM WEST COLUMBIA SC .75 INCH HAIL
04/22/98 LEXINGTON DIME SIZE HAIL AT
INTERSECTION OF OAK DRIVE
AND U.S. 1
BCThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 2:42 PM EDT | Severe Thunderstorm Warning | CAE | Aiken | 63 min |
| Apr 22, 3:26 PM EDT | Severe Thunderstorm Warning | CAE | Saluda | 64 min |
| Apr 22, 3:54 PM EDT | Severe Thunderstorm Warning | CAE | Lexington | 66 min |
| Apr 22, 5:12 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Richland | 33 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.