Alert archive / South Carolina / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 7, NWS Columbia, SC

February 24, 2016Lancaster County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Feb 24, 2016, 12:17 PM EST for Lancaster County, South Carolina. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 24, 2016, 12:17 PM EST (17:17 UTC)
Expired
Feb 24, 2016, 1:00 PM EST
In force
43 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon

County Lancaster County, SC

The radar

The Columbia radar (KCAE), 100 km from the middle of the area, began a volume at 17:15 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
Feb 24, 12:37 PM ESTTSTM WND DMG23 Nnw Lancaster, SCDOT REPORTED TREES AND POWERLINES DOWN ACROSS THE NORTHERN PORTION OF LANCASTER CO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 24, 11:16 AM ESTTornado WatchSPC8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.3 hours before the alert went out and 164 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 2016-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2016-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 703 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
4 J/kg
Mixed-layer CIN
-286 J/kg
Mixed-layer LCL
406 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
703 m²/s²
0-3 km storm-relative helicity
750 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

925 
WUUS52 KCAE 241717
SVRCAE
SCC057-241800-
/O.NEW.KCAE.SV.W.0007.160224T1717Z-160224T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1217 PM EST WED FEB 24 2016

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LANCASTER COUNTY IN CENTRAL SOUTH CAROLINA...

* UNTIL 100 PM EST

* AT 1216 PM EST...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEWPORT
  TO NEAR CHESTER STATE PARK...AND MOVING NORTHEAST AT 75 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LANCASTER...WAXHAW...IRWIN...FISHING CREEK RESERVOIR AND LANCASTER
  MILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA. ALTHOUGH A TORNADO IS
NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...ALSO USE WWW.FACEBOOK.COM/NWSCOLUMBIA AND EMAIL
CAEWX@NOAA.GOV TO RELAY SEVERE WEATHER REPORTS.
&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST FOR CENTRAL SOUTH
CAROLINA.

LAT...LON 3493 8078 3482 8079 3482 8056 3459 8088
      3459 8089 3467 8089 3470 8086 3474 8088
      3479 8087 3483 8090 3484 8087 3490 8088
      3493 8086 3501 8091 3507 8090
TIME...MOT...LOC 1716Z 228DEG 65KT 3500 8107 3465 8125 

$$
MANNING

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 5:12 AM ESTSpecial Weather StatementCAEAiken, Barnwell63 min
Feb 24, 5:37 AM ESTSevere Thunderstorm WarningCAEAiken, Edgefield53 min
Feb 24, 6:34 AM ESTSpecial Weather StatementCAEBarnwell26 min
Feb 24, 7:14 AM ESTSpecial Weather StatementCAELexington31 min
Feb 24, 7:37 AM ESTSpecial Weather StatementCAEOrangeburg23 min
Feb 24, 7:43 AM ESTSpecial Weather StatementCAEBamberg32 min
Feb 24, 9:39 AM ESTSpecial Weather StatementCAEMcCormick36 min
Feb 24, 10:30 AM ESTSpecial Weather StatementCAESaluda30 min
Feb 24, 10:57 AM ESTSpecial Weather StatementCAENewberry48 min
Feb 24, 10:59 AM ESTSpecial Weather StatementCAEEdgefield46 min
Feb 24, 11:42 AM ESTSpecial Weather StatementCAEEdgefield33 min
Feb 24, 11:53 AM ESTSpecial Weather StatementCAESaluda37 min
Feb 24, 1:08 PM ESTSevere Thunderstorm WarningCAELancaster37 min
Feb 24, 2:35 PM ESTSpecial Weather StatementCAELee25 min
Feb 24, 2:36 PM ESTSpecial Weather StatementCAEChesterfield24 min
Feb 24, 3:00 PM ESTSpecial Weather StatementCAEChesterfield30 min
Feb 24, 3:03 PM ESTTornado WarningCAEChesterfield42 min
Feb 24, 3:56 PM ESTSevere Thunderstorm WarningCAEChesterfield19 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2016Every severe thunderstorm warning in 2016

Sources

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