Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 119, NWS Charleston, SC

June 14, 1998Charleston County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 14, 1998, 7:15 PM EDT for Charleston County, South Carolina. It was in force for 40 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 14, 1998, 7:15 PM EDT (23:15 UTC)
Expired
Jun 14, 1998, 7:55 PM EDT
In force
40 min
Issued by
NWS Charleston, SC
Area
Whole counties

County Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 103 km from the middle of the area, began a volume at 23:17 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 14, 7:45 PM EDTHail 1.75Edisto Is, 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 nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.3 hours before the alert went out and 18 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 1998-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1918 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
273 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 Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 2:50 PM EDT, 4 hours 25 minutes earlier.

Area forecast discussion, Jun 14, 2:50 PM EDT, 4 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
250 PM EDT SUN JUN 14 1998

SAT PIX AND SFC ANLY SHOWING FRONT ALIGNED JUST TO THE SW ALONG THE SAV
RVR. SHOULD CONT ITS NWRD PROGRESSION THRU LATE NIGHT. UPR ORGANIZATION
STAYS WELL TO THE N WITH LOBE CROSSING THE CAROLINAS TO THE N...BUT
ENUF INSTAB AS FRONT MOVES THRU TO INTRODUCE SLGT CHC POPS BEGINNING
TONIGHT FOR CWA. PUTS SE AGAIN IN THE SOUP AS DWPTS REBOUND INTO THE 70S
FOR MONDAY. BLV ENUF INSTAB ESTABLISHED AFTN ON MON TO CONT POPS...BUT
LACK OF MAJOR FOCUS TO KEEP THINGS AT JUST SLGT CHC. QUIET NIGHT MON
AND SLGT CHC AGAIN FOR AFTN TUE WITH SECONDARY SYS WELL TO THE W THEN.
WILL STICK CLOSE TO FWC TEMPS. FLO INCRS OUT OF THE SW AND INCRSNG TO 15
MPH RANGE IN ZONES...15-20 KT FOR CWF...BACKS OFF A LTL MON NIGHT BUT
INCRSS AGAIN TUE DAYTIME. BUT
...WL CONT SEAS BLO SCA CRIT.

S CST
.TONIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHC OF SHOWERS/TSTMS. LOWS
70-75. SW WIND 10 TO 15 MPH.
.MON...PARTLY CLOUDY. A 20 PERCENT CHC OF TSTMS. HIGHS 90-95. SW WIND
15 MPH.
.MON NIGHT...PARTLY CLOUDY. LOW MID 70S INLAND...NR 80 CST.
.TUE...PARTLY CLOUDY. A 20 PERCENT CHC OF TSTMS. HIGHS 90-95.

CHS ARPT  BB  72/94/74/94   22-2
CHS CITY      78/90/80/90
SAV ARPT  BB  73/94/74/95   22-2

MJR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 6:56 PM EDTSevere Thunderstorm WarningCHSColleton34 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.