Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 116, NWS Wilmington, NC

June 19, 1998Marion County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jun 19, 1998, 5:17 PM EDT for Marion County, South Carolina. It was in force for 48 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
Jun 19, 1998, 5:17 PM EDT (21:17 UTC)
Expired
Jun 19, 1998, 6:05 PM EDT
In force
48 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Marion County, SC

The radar

The Wilmington radar (KLTX), 87 km from the middle of the area, began a volume at 21:18 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

TimeReportWhereRemark
Jun 19, 5:42 PM EDTThunderstorm Wind 60Centenary, SC

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.

IssuedProductOfficeLasted
Jun 19, 3:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.3 hours before the alert went out and 144 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-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 1998-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1030 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1030 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
1604 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS Wilmington, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 1:32 PM EDT, 3 hours 45 minutes earlier.

Area forecast discussion, Jun 19, 1:32 PM EDT, 3 hours 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
132 PM EDT FRI JUN 19 1998

RDU: QUESTION FOR THE SHORT TERM IS AMOUNT OF CONVECTIVE DEVELOPMENT
WE CAN EXPECT IN THE WAKE OF THE SEMI-ORGANIZED TSTM AREA DROPPING SE
TWD THE SRN OUTER BANKS EARLY THIS AFTN. KRAX 88D SHOWING OUTFLOW
BOUNDARIES MOVG SWD INTO AREA WITH > 3000J CAPES. WHILE STRONG/SVR
STORMS FM GSP-MCN STEAL THE SHOW...BELIEVE WE CONTINUE 30 POPS TO
AROUND MIDNIGHT...POSSIBLY LONGER IMMEDIATE COAST AND SHORTER INLAND
AND NRN ZONES. SAT LOOKS MOSTLY SUNNY AND HOT...EVEN ON THE BEACHES
WITH DOWNSLOPE TRAJECTORY SIMILAR TO WHAT WE SAW ON WED...SUBSIDENCE
LOOKS IMPRESSIVE. MOSTLY CLR SAT NIGHT AND MOSTLY SUNNY AND HOT AGAIN
SUNDAY. LOWER DEW POINTS THIS WEEKEND EXPECTED TO KEEP THE HEAT INDEX
VALUES BELOW ADVISORY CRITERIA.

CWF: OFFSHORE FLOW TO DOMINATE THIS FCST PERIOD. WILL CONTINUE TO
INDICATE SW WINDS 15 TO 20 KT BECMG W TONIGHT. HIGHER SEAS OFF OF
DIAMOND AND LOOKOUT. WND SPEEDS 15 KT OR LESS FOR THE REMAINDER OF
THE WEEKEND...SEAS 2-4 FT. SEA BREEZE WILL BE FIGHTING WLY COMPONENT
EACH AFTN...SHOULD MAKE SOME LEADWAY CREATING TEMPO SLY COMPONENTS.

DISC: BUSY ON RADAR...WILL BE BRIEF. LOOKS LIKE A BEACH WEEKEND WITH
SUMMERTIME WX. DEW POINTS WILL BE A BIT HIGHER ON THE COAST BUT WLY
COMPONENT SHOULD NOT BE STRONG ENOUGH TO PIN SEA BREEZE RIGHT ON THE
WATER...SO WHILE TEMPS MAY BRIEFLY TOUCH 90...FALLBACK TO MID 80S BY
MID AFTN IS LIKELY.

.MHX...NONE.

RVT

In the hours before

Local storm report, Jun 19, 4:46 PM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE WILMINGTON NORTH CAROLINA
446 PM EDT FRI JUN 19 1998

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

0446 PM    CADES                     SC   WIND DAMAGE
06/19/98   WILLIAMSBURG                   TREES DOWN REPORTED BY
                                          CO-OP OBSERVER

DCH
Local storm report, Jun 19, 4:48 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NORTH CAROLINA
446 PM EDT WED JUN 17 1998

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

0446 PM    CADES                     SC   WIND DAMAGE
06/19/98   WILLIAMSBURG                   TREES DOWN REPORTED BY
                                          CO-OP OBSERVER
Local storm report, Jun 19, 4:52 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NORTH CAROLINA
452 PM EDT FRI JUN 19 1998

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

0426 PM    HARTSVILLE                SC   WIND DAMAGE
06/19/98   DARLINGTON                     TREES DOWN IN THE COMMUNITY
                                          OF ASHELYN.
                                          NUMEROUS LIGHTNING STRIKES
                                          TO HOUSES.

DCH
Local storm report, Jun 19, 4:52 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NORTH CAROLINA
452 PM EDT FRI JUN 19 1998

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

0426 PM    HARTSVILLE                SC   WIND DAMAGE
06/19/98   DARLINGTON                     TREES DOWN IN THE COMMUNITY
                                          OF ASHELYN.
                                          NUMEROUS LIGHTNING STRIKES
                                          TO HOUSES.

DCH
Local storm report, Jun 19, 5:00 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NORTH CAROLINA
500 PM EDT FRI JUN 19 1998

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

0453 PM    OAK GROVE                 SC   WIND DAMAGE
06/19/98   DILLON                         60 MPH WIND GUST
                                          20 FOOT CHAIN LINK
                                          GATE RIPPED APART.
                                          REPORTED BY WEATHER SPOTTER.

0458 PM    SCRANTON                  SC   WIND DAMAGE
06/19/98   FLORENCE                       TREES DOWN.
                                          POWER OUTAGES.
                                          REPORTED BY WEATHER SPOTTER

DCH
Local storm report, Jun 19, 5:00 PM EDT, 17 minutes before
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The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 5:30 PM EDTSevere Thunderstorm WarningILMBladen, Robeson45 min
Jun 19, 6:13 PM EDTSevere Thunderstorm WarningILMBrunswick, Columbus47 min
Jun 19, 6:19 PM EDTSevere Thunderstorm WarningILMBladen, Pender51 min
Jun 19, 6:32 PM EDTSevere Thunderstorm WarningILMNew Hanover43 min
Jun 19, 7:00 PM EDTSevere Thunderstorm WarningILMBrunswick, Columbus35 min
Jun 19, 7:14 PM EDTSevere Thunderstorm WarningILMNew Hanover36 min
Jun 19, 7:20 PM EDTSevere Thunderstorm WarningILMPender45 min
Jun 19, 7:22 PM EDTTornado WarningILMNew Hanover33 min
Jun 19, 4:29 PM EDTSevere Thunderstorm WarningILMDillon, Florence, Marlboro46 min
Jun 19, 4:29 PM EDTSevere Thunderstorm WarningILMDarlington46 min
Jun 19, 4:47 PM EDTSevere Thunderstorm WarningILMWilliamsburg48 min
Jun 19, 4:52 PM EDTSevere Thunderstorm WarningILMFlorence48 min
Jun 19, 4:52 PM EDTSevere Thunderstorm WarningILMWilliamsburg43 min
Jun 19, 5:03 PM EDTTornado WarningILMFlorence32 min
Jun 19, 5:32 PM EDTSevere Thunderstorm WarningILMGeorgetown, Horry48 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.