Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 112, NWS Columbia, SC

July 22, 2000Kershaw County, Lancaster County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jul 22, 2000, 2:35 PM EDT for Kershaw County, Lancaster County, South Carolina. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jul 22, 2000, 2:35 PM EDT (18:35 UTC)
Expired: Jul 22, 2000, 3:15 PM EDT
In force: 40 min
Issued by: NWS Columbia, SC
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Kershaw County, SC, Lancaster County, SC

What was reported inside it

Time	Report	Where	Remark
Jul 22, 3:02 PM EDT	Thunderstorm Wind 50 E	Heath Spgs, SC	Sheriff reported a few trees down in the Heath Springs area.

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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 22, 1:15 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.6 hours before the alert went out and 186 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: 924 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 639 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

184 
WUUS52 KCAE 221836
SVRCAE
SCC055-057-221915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
235 PM EDT SAT JUL 22 2000

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

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

* UNTIL 315 PM EDT.

* AT 235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF HEATH SPRINGS...OR ABOUT
  13 MILES SOUTH OF LANCASTER...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HEATH SPRINGS AT 245 PM EDT
  KERSHAW AT 300 PM EDT

THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.

REPORT ANY HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF
OR TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN COLUMBIA.

LAT...LON 3464 8081 3447 8087 3434 8043 3456 8036

ARDREY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 1:00 PM EDT	Severe Thunderstorm Warning	CAE	Newberry	30 min
Jul 22, 1:29 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Newberry	46 min
Jul 22, 1:47 PM EDT	Tornado Warning	CAE	Fairfield	43 min
Jul 22, 3:13 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw	47 min
Jul 22, 3:19 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	41 min
Jul 22, 3:30 PM EDT	Severe Thunderstorm Warning	CAE	Lee	30 min
Jul 22, 3:58 PM EDT	Severe Thunderstorm Warning	CAE	Lee	32 min
Jul 22, 4:01 PM EDT	Severe Thunderstorm Warning	CAE	Sumter	44 min
Jul 22, 6:50 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield	40 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000 Every severe thunderstorm warning in 2000

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.