Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 113, NWS Wilmington, NC

November 2, 1997Marlboro County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Nov 2, 1997, 1:44 AM EST for Marlboro County, South Carolina. It was in force for 46 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: Nov 2, 1997, 1:44 AM EST (06:44 UTC)
Expired: Nov 2, 1997, 2:30 AM EST
In force: 46 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 06:45 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 00:00Z, 6.7 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-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: 86 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 709 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILM 020643 RRA
SVRILM
SCC043-067-069-020730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
144 AM EST SUN NOV 2 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A...

* SEVERE THUNDERSTORM WARNING FOR...

  NORTHERN GEORGETOWN COUNTY IN NORTHEASTERN SOUTH CAROLINA
  SOUTHERN MARION COUNTY IN NORTHEASTERN SOUTH CAROLINA

* UNTIL 230 AM EST

 
AT 141 AM EST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  WITH LARGE HAIL 23 MILES WEST OF MYRTLE BEACH OR 12 MILES SOUTH OF
  BRITTON NECK MOVING NORTHEAST AT 30 MPH.

* THIS STORM WILL BE IN THE VICINITY OF...
        BRITTON NECK            BY 155 AM EST
        OUTLAND                 BY 200 AM EST
 
DAMAGING WIND...LARGE HAIL...HEAVY RAIN...AND DEADLY LIGHTNING ARE
EXPECTED. SEEK SHELTER IN A STRONG BUILDING AWAY FROM WINDOWS. DO
NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS
PASSED... EXCEPT IN AN EMERGENCY. MOTORISTS SHOULD AVOID FLOODED
ROADWAYS.

HEWITT/LGE

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 2, 12:36 AM EST	Severe Thunderstorm Warning	ILM	Williamsburg	9 min
Nov 2, 12:36 AM EST	Severe Thunderstorm Warning	ILM	Williamsburg	24 min
Nov 2, 1:01 AM EST	Tornado Warning	ILM	Williamsburg	19 min
Nov 2, 1:14 AM EST	Severe Thunderstorm Warning	ILM	Horry, Marion	31 min
Nov 2, 1:24 AM EST	Tornado Warning	ILM	Horry, Marion	31 min
Nov 2, 1:44 AM EST	Severe Thunderstorm Warning	ILM	Georgetown, Marion	46 min
Nov 2, 1:53 AM EST	Severe Thunderstorm Warning	ILM	Horry	47 min
Nov 2, 2:41 AM EST	Severe Thunderstorm Warning	ILM	Horry	59 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1997 Every 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.