Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 81, NWS Columbia, SC

June 22, 2000Aiken County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 22, 2000, 1:59 PM EDT for Aiken County, South Carolina. It was in force for 61 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: Jun 22, 2000, 1:59 PM EDT (17:59 UTC)
Expired: Jun 22, 2000, 3:00 PM EDT
In force: 61 min
Issued by: NWS Columbia, SC
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Aiken County, SC

The radar

The Columbia radar (KCAE), 82 km from the middle of the area, began a volume at 18:02 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
Jun 22, 2:10 PM EDT	Hail 0.75	Aiken, SC	SKYWARN spotter reported 3/4 inch hail.

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
Jun 22, 1:30 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 6.0 hours before the alert went out and 176 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: 2256 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 498 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 64 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.

266 
WUUS52 KCAE 221759
SVRCAE
SCC003-221900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
159 PM EDT THU JUN 22 2000

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 300 PM EDT.

* AT 157 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER GLOVERVILLE...OR ABOUT 4 MILES EAST OF
  CLEARWATER...MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NEW ELLENTON AT 235 PM EDT
  JACKSON AT 240 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 3362 8180 3352 8198 3319 8177 3333 8152

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 22, 9:50 AM EDT, 4 hours 9 minutes earlier.

Area forecast discussion, Jun 22, 9:50 AM EDT, 4 hours 9 minutes before

SCZ015-016-018-020>022-025>031-035>038-041-GAZ040-063>065-077-230133-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA, SC
950 AM EDT THU JUN 22 2000

MSAS AND VSBL SAT LOOP SHOWING PRE-FRONTAL TROF SETTING UP ACRS NC
PIEDMONT XTNDG INTO WRN SC AND NRN GA LATE THIS AM. LINE OF SHWRS
WITH FEW TSTMS ASSOCIATED WITH TROF XTNDG FROM MID-ATLC TO NERN AL.
MODELS POINT TO PSBL SVR WX THIS AFTN ACRS CWA WITH LIS ARND -4 TO
-7...PWS NR 2 INCHES...CAPES 1400-1700...AND GOOD 850 MB THETA-E RDG
OVR CWA BY LATE THIS AFTN. WL CONTINUE WORDING THAT SOME STRMS MAY
PSBLY BE SVR IN AFTN ZONE PKG. MAIN CHANGE TO ZONES WL BE TO CHANGE
SFC WNDS FROM S TO SW. OTHERWISE NO MAJOR CHANGES PLANNED.

FCSTID = 22
CAE   92  69  94  70 /  50  30   0   0
AGS   93  66  94  65 /  50  30   0  10
SSC   93  69  94  69 /  50  30   0   0
OGB   93  70  94  70 /  50  30   0  10

.CAE...
GA...NONE.
SC...NONE.

BC

In the hours before

Local storm report, Jun 22, 1:39 PM EDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
139 PM EDT THU JUN 22 2000

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

105 PM     NEWBERRY                  SC   .75 INCH HAIL
06/22/00   NEWBERRY                       DIME-SIZE HAIL REPORTED
                                          IN DOWNTOWN NEWBERRY.
                                          REPORT FROM SHERIFFS
                                          DEPT.

BC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 2:55 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg	35 min
Jun 22, 3:18 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	42 min
Jun 22, 3:35 PM EDT	Severe Thunderstorm Warning	CAE	Lee	25 min
Jun 22, 3:43 PM EDT	Severe Thunderstorm Warning	CAE	Richland	47 min
Jun 22, 3:56 PM EDT	Severe Thunderstorm Warning	CAE	Lexington, Newberry	34 min
Jun 22, 4:25 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon	50 min
Jun 22, 4:29 PM EDT	Severe Thunderstorm Warning	CAE	Lexington, Richland	46 min
Jun 22, 4:54 PM EDT	Severe Thunderstorm Warning	CAE	Sumter	36 min
Jun 22, 4:56 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw	49 min
Jun 22, 5:11 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon	34 min
Jun 22, 5:41 PM EDT	Severe Thunderstorm Warning	CAE	Barnwell	49 min
Jun 22, 6:04 PM EDT	Tornado Warning	CAE	Barnwell	26 min
Jun 22, 6:26 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg	49 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; radar from the NEXRAD Level II archive.