Alert archive / South Carolina / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 52, NWS Wilmington, NC

May 14, 1999Marlboro County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 14, 1999, 1:14 PM EDT for Marlboro County, South Carolina. It was in force for 31 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
May 14, 1999, 1:14 PM EDT (17:14 UTC)
Expired
May 14, 1999, 1:45 PM EDT
In force
31 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Marlboro County, SC

The radar

The Wilmington radar (KLTX), 134 km from the middle of the area, began a volume at 17:14 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.2 hours before the alert went out and 166 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, Greensboro/Hi Pt, NC at 12:00Z on 1999-05-14Temperature 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, Greensboro/Hi Pt, NC at 12:00Z on 1999-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 square meters per square second.1939Sfc1 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
701 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
39 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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 1:25 PM EDTSevere Thunderstorm WarningILMColumbus35 min
May 14, 2:01 PM EDTSevere Thunderstorm WarningILMColumbus44 min
May 14, 2:46 PM EDTSevere Thunderstorm WarningILMColumbus64 min
May 14, 3:06 PM EDTSevere Thunderstorm WarningILMRobeson64 min
May 14, 3:11 PM EDTSevere Thunderstorm WarningILMBrunswick64 min
May 14, 4:22 PM EDTSevere Thunderstorm WarningILMBrunswick33 min
May 14, 4:57 PM EDTSevere Thunderstorm WarningILMBrunswick33 min
May 14, 5:34 PM EDTSevere Thunderstorm WarningILMBrunswick36 min
May 14, 12:22 PM EDTSevere Thunderstorm WarningILMDarlington, Marlboro53 min
May 14, 1:46 PM EDTSevere Thunderstorm WarningILMDillon44 min
May 14, 2:25 PM EDTSevere Thunderstorm WarningILMHorry, Marion35 min
May 14, 2:32 PM EDTSevere Thunderstorm WarningILMDillon48 min
May 14, 2:59 PM EDTSevere Thunderstorm WarningILMGeorgetown61 min
May 14, 3:02 PM EDTSevere Thunderstorm WarningILMHorry, Marion63 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1999Every severe thunderstorm warning in 1999

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.