Alert archive / South Carolina / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 33, NWS Columbia, SC

March 17, 1996Orangeburg County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Mar 17, 1996, 7:59 AM EST for Orangeburg County, South Carolina. It was in force for 46 min. 2 reports 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: Mar 17, 1996, 7:59 AM EST (12:59 UTC)
Expired: Mar 17, 1996, 8:45 AM EST
In force: 46 min
Issued by: NWS Columbia, SC
Area: Whole counties

County Orangeburg County, SC

The radar

The Columbia radar (KCAE), 64 km from the middle of the area, began a volume at 12:59 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

Time	Report	Where	Remark
Mar 17, 8:08 AM EST	Hail 0.75	Springfield, SC
Mar 17, 8:28 AM EST	Hail 0.75	Neeses, 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, 1.0 hours before the alert went out and 96 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: 399 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 703 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAE 171258 RRA
SVRCAE
SCC075-171345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
759 AM EST SUN MAR 17 1996
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  SOUTH CAROLINA
 
   ...NORTHERN ORANGEBURG COUNTY
 
DOPPLER RADAR INDICATES A SEVERE THUNDERSTORM JUST WEST OF SPRINGFIELD.
THIS STORM WILL AFFECT THE CITIES OF SPRINGFIELD...NORTH...NEESES... AND
ORANGEBURG BETWEEN 800 AM AND 845 AM. THIS STORM HAS A HISTORY OF
PRODUCING LARGE HAIL.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE
MOBILE HOMES.  FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR.  DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
CAMMARATA

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 10:13 PM EST	Tornado Warning	CAE	Fairfield, Kershaw	47 min
Mar 16, 10:47 PM EST	Tornado Warning	CAE	Lee	43 min
Mar 16, 11:04 PM EST	Severe Thunderstorm Warning	CAE	Kershaw	41 min
Mar 17, 7:25 AM EST	Severe Thunderstorm Warning	CAE	Aiken	50 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1996 Every severe thunderstorm warning in 1996

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.