Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 5, NWS Columbia, SC

January 10, 2000Lexington County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jan 10, 2000, 7:49 AM EST for Lexington County, South Carolina. It was in force for 26 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: Jan 10, 2000, 7:49 AM EST (12:49 UTC)
Expired: Jan 10, 2000, 8:15 AM EST
In force: 26 min
Issued by: NWS Columbia, SC
Area: Whole counties

County Lexington County, SC

The radar

The Columbia radar (KCAE), 15 km from the middle of the area, began a volume at 12:49 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jan 10, 6:00 AM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 0.8 hours before the alert went out and 162 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1140 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 149 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 KCAE 101254
SVRCAE
SCC063-101315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
749 AM EST MON JAN 10 2000

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LEXINGTON COUNTY.

* UNTIL 815 AM EST.

* AT 744 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES SOUTH OF RED BANK...OR ABOUT 9 MILES
  SOUTHWEST O
F GASTON...MOVING NORTHEAST AT 50 MPH.

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS. STAY INDOORS AWAY FROM
WINDOWS.

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

MWC

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 Jan 10, 2:38 AM EST, 5 hours 11 minutes earlier.

Area forecast discussion, Jan 10, 2:38 AM EST, 5 hours 11 minutes before

AREA FORECAST DISCUSSION...CORRECTED FOR DATE/TIME...
NATIONAL WEATHER SERVICE COLUMBIA SC
230 AM MON JAN 10 2000

INTERESTING FCST FOR THIS AM. WEDGE BNDRY LAYS ACROSS CWA WITH
TEMPS/DEWPOINTS RANGING FROM AROUND 60 SOUTH TO MIDDLE 40S OVER
FAR WESTERN AND NORTHERN COUNTIES. VIGOROUS S/W WIL GO NEG TILT AS
SFC LOW BEGINS TO DEEPEN OVR MS VLY. STRONG H85 JET WILL MAKE ITS WAY
THROUGH THE AREA AS H25 RIGHT ENTERANCE REGION WILL STAY TO OUR
SOUTH WHERE MODELS ARE KEEPING THE GREATEST INSTABILITY. LOOKS LIKE
SRN COUNTIES WILL GET THE BRUNT OF THE SEV WX. BUT CONCERN STILL
LIES WITH LOCATION OF BNDRY. COULD ACT AS A FOCUSING MECHANISM FOR
THUNDER. LOOK OUT WARNGEN HERE WE COME...

CURRENT FCST HAS GOOD HANDLE ON SITUATION. WILL GO MOSTLY SUNNY FOR
THIS AFTERNOON WITH RAPID CLEARING BEHIND THE FRONT. W WINDS WILL
KEEP TEMPS UP A BIT TODAY WITH NO REAL CAA COULD SEE TEMPS IN THE
70S. STRONG WINDS WILL WARRANT WIND ADVISORY FOR AREA LAKES FOR
TODAY. CLEAR TONIGHT AS FWC HAS GOOD HANDLE ON FCST TEMPS. HIGH PRES
BUILDING IN TUE WITH A NICE DAY IN STORE FOR EARLY JAN. WINDS WILL
DIE DOWN TONIGHT.

PRELIM CCF
CAE TU 71/40/69/34/70 60/0/0/0/0
AGS TU 73/38/70/33/72 60/0$/0/0/0

.CAE...LAKE WIND ADVISORY FOR CWA FOR TDY.

BARLOW

In the hours before

Local storm report, Jan 10, 7:37 AM EST, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
737 AM EST MON JAN 10 2000

TIME (EST) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

644 AM     EDGEFIELD                 SC   WIND DAMAGE
01/10/00   EDGEFIELD                      EDGEFIELD SHERRIF REPORTS
                                          TREES DOWN 6 MILES EAST OF
                                          EDGEFIELD ONCHAPPEL FERRY
                                          ROAD

702 AM     MCCORMICK                 SC   WIND DAMAGE
01/10/00   MCCORMICK                      TREES DOWN US HWY 378 EAST
                                          AND US HWY 221 NORTH

TTH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 10, 6:28 AM EST	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	32 min
Jan 10, 7:37 AM EST	Severe Thunderstorm Warning	CAE	Aiken	23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.