Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 37, NWS Columbia, SC

April 8, 1998Edgefield County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 8, 1998, 10:08 PM EDT for Edgefield County, South Carolina. It was in force for 37 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 8, 1998, 10:08 PM EDT (02:08 UTC)
Expired: Apr 8, 1998, 10:45 PM EDT
In force: 37 min
Issued by: NWS Columbia, SC
Area: Whole counties

County Edgefield County, SC

What was reported inside it

Time	Report	Where	Remark
Apr 8, 10:23 PM EDT	Hail 0.75	Colliers, SC	Sheriff reports 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 8, 7:30 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 2.1 hours before the alert went out and 207 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

434 
WUUS1 KCAE 090207 RRA
SVRCAE
SCC037-090245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1008 PM EDT WED APR 8 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EDGEFIELD COUNTY IN SOUTH CAROLINA

* UNTIL 1045 PM EDT

* A SEVERE THUNDERSTORM OVER COLUMBIA COUNTY GEORGIA WILL MOVE 
  INTO EDGEFIELD COUNTY AT 1020 PM.  LARGE HAIL CAN BE EXPECTED 
  WITH THIS STORM.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EDGEFIELD AT 1030 PM

SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES 
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO 
RAPIDLY CHANGING WEATHER CONDITIONS.

AMATEUR RADIO AND OTHER SPOTTERS ARE REQUESTED TO MONITOR THIS 
STORM AND RELAY REPORTS PROMPTLY TO THE NEAREST NATIONAL WEATHER 
SERVICE OFFICE.

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 8, 4:13 PM EDT, 5 hours 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
413 PM EDT WED APR 08 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

400 PM     TOWN OF EDGEFIELD         SC   .75 INCH HAIL
04/08/98   EDGEFIELD                      EDGEFIELD CO EPD

330 PM     COLUMBIA CO ALONG I-20    GA   .75 INCH HAIL
04/08/98   COLUMBIA CO                    COLUMBIA CO SHERIFF

TA

Local storm report, Apr 8, 4:46 PM EDT, 5 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
446 PM EDT WED APR 08 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

340 PM     CLARKS HILL               SC   .75 INCH HAIL
04/08/98   MCCORMICK                      DIME SIZE HAIL COVERED THE
                                          GROUND

LCV

Local storm report, Apr 8, 4:50 PM EDT, 5 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
450 PM EDT WED APR 08 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

410 PM     JOHNSTON                  SC   .75 INCH HAIL
04/08/98   SALUDA                         SKYWARN SPOTTER

DAE

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 8, 9:18 PM EDT	Severe Thunderstorm Warning	CAE	Saluda	42 min
Apr 8, 9:53 PM EDT	Severe Thunderstorm Warning	CAE	Lexington	37 min
Apr 8, 10:03 PM EDT	Severe Thunderstorm Warning	CAE	Richland	12 min
Apr 8, 11:41 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Richland	34 min
Apr 8, 11:51 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	39 min
Apr 9, 12:34 AM EDT	Severe Thunderstorm Warning	CAE	Lexington	26 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998 Every 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.