Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 134, NWS Columbia, SC

June 16, 1998Richmond County, Georgia; Edgefield County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 16, 1998, 4:55 PM EDT for Richmond County, Georgia; Edgefield County, South Carolina. It was in force for 35 min. 2 reports 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: Jun 16, 1998, 4:55 PM EDT (20:55 UTC)
Expired: Jun 16, 1998, 5:30 PM EDT
In force: 35 min
Issued by: NWS Columbia, SC
Area: Whole counties

Counties Richmond County, GA, Edgefield County, SC

The radar

The Columbia radar (KCAE), 94 km from the middle of the area, began a volume at 20:58 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
Jun 16, 4:58 PM EDT	Hail 1.75	Augusta, GA	Several SKYWARN reports of golf ball size hail around Augusta.
Jun 16, 5:10 PM EDT	Hail 0.75	Edgefield, SC	Sheriff reported 3/4 inch hail at highways 230 and 143.

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
Jun 16, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.9 hours before the alert went out and 202 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: 444 J/kg
Mixed-layer CIN: -187 J/kg
Mixed-layer LCL: 1495 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

866 
WUUS1 KCAE 162059 RRA
SVRCAE
SCC037-GAC245-162130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
455 PM EDT TUE JUN 16 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN EDGEFIELD COUNTY IN SOUTH CAROLINA
  NORTHERN RICHMOND COUNTY IN GEORGIA

* UNTIL 530 PM EDT 

* AT 455 PM EDT WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE 
  THUNDERSTORM  NEAR EVANS. THIS SEVERE THUNDERSTORM WAS MOVING 
  NORTHEAST AT 35 MPH. THIS STORM WILL LKIKELY PRODUCE LARGE 
  HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  AUUSTA AT 515 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, Jun 16, 4:33 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
433 PM EDT TUE JUN 16 1998

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

430 PM     SUMMERTON                 SC   .75 INCH HAIL
06/16/98   CLARENDON                      CLARENDON COUNTY SHERIFF
                                          REPORTS DIME SIZE HAIL IN
                                          TOWN OF SUMMERTO.

HG

Local storm report, Jun 16, 4:44 PM EDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
444 PM EDT TUE JUN 16 1998

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

445 PM     ALCOLU                    SC   .75 INCH HAIL
06/16/98   CLARENDON                      CLARENDON COUNTY SHERIFF
                                          REPORTS DIME SIZE HAIL IN
                                          TOWN OF ALCOLU.

HG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 2:31 AM EDT	Severe Thunderstorm Warning	CAE	McDuffie	29 min
Jun 16, 4:39 PM EDT	Severe Thunderstorm Warning	CAE	Columbia	36 min
Jun 16, 3:26 AM EDT	Severe Thunderstorm Warning	CAE	Newberry, Saluda	49 min
Jun 16, 3:30 AM EDT	Severe Thunderstorm Warning	CAE	Newberry, Saluda	45 min
Jun 16, 4:01 AM EDT	Severe Thunderstorm Warning	CAE	Lexington, Richland	44 min
Jun 16, 4:12 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon	63 min
Jun 16, 5:00 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	60 min
Jun 16, 5:54 PM EDT	Severe Thunderstorm Warning	CAE	Barnwell	36 min
Jun 16, 5:57 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	63 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998 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; radar from the NEXRAD Level II archive.