Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 59, NWS Wilmington, NC

June 23, 1997Georgetown County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jun 23, 1997, 4:04 PM EDT for Georgetown County, South Carolina. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 23, 1997, 4:04 PM EDT (20:04 UTC)
Expired
Jun 23, 1997, 4:30 PM EDT
In force
26 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Georgetown County, SC

The radar

The Wilmington radar (KLTX), 103 km from the middle of the area, began a volume at 20:05 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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.1 hours before the alert went out and 87 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 1997-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1469 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 1997-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
1469 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
933 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
13 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 23, 2:45 PM EDT, 1 hour 19 minutes earlier.

Area forecast discussion, Jun 23, 2:45 PM EDT, 1 hour 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON NC
245 PM EDT MON JUN 23 1997

RDU & CAE: CARRY PCPN ASSOCD WITH FNT/SEA BRZ THRU EVE HRS...CLRG
LTR TNGT. SUNNY AND CONTD HOT TUE AS RDG BLDS IN.

DISC: SHRA/TSRA HV DVLPD OVR AREA IN ASSOCN WITH FNT DROPPING S THRU
CNTRL NC AND DVLPG SEA BRZ. XPC ACTVTY TO CONT INTO EVE TIL LOSS OF
HTG. AFTWDS...XPC SOME CLRG AS BLDG HI PRES SPRDS DRIER AIR INTO RGN.
WITH MOIST SFC AND LGT WNDS FOG FORMATION PSBL. TEMPS IN LO 70S TNGT.
HI PRES...SFC AND ALF...CONTS TO BLD INTO RGN TUE AND RMN DMNT THRU
THE PD. TUE SHOULD BE MSTLY SUNNY WITH TEMPS LO 90S INLD...UPR 80S
CST.

FOR CSTL WTRS...NO CHG.

ILM UU 070/090 070/090 070 21020
FLO UU 069/092 070/090 070 21000

DTR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 4:09 PM EDTSevere Thunderstorm WarningILMGeorgetown21 min
Jun 23, 4:53 PM EDTSevere Thunderstorm WarningILMHorry47 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.