Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 7, NWS Columbia, SC

February 12, 2000Fairfield County, Lancaster County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Feb 12, 2000, 12:25 PM EST for Fairfield County, Lancaster County, South Carolina. It was in force for 50 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
Feb 12, 2000, 12:25 PM EST (17:25 UTC)
Expired
Feb 12, 2000, 1:15 PM EST
In force
50 min
Issued by
NWS Columbia, SC
Area
Whole counties

Counties Fairfield County, SC, Lancaster County, SC

The radar

The Columbia radar (KCAE), 69 km from the middle of the area, began a volume at 17:24 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.4 hours before the alert went out and 194 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 2000-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2000-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 250 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
250 m²/s²
0-3 km storm-relative helicity
487 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Feb 12, 10:35 AM EST, 1 hour 50 minutes earlier.

Area forecast discussion, Feb 12, 10:35 AM EST, 1 hour 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
1035 AM EST SAT FEB 12 2000

COLD FRONT CURRENTLY EXTENDING FROM FLO TO GREENWOOD. 12Z ETA HAS
FRONT CROSSING THE MIDLANDS THIS AFTERNOON TO A POSITION JUST SOUTH
OF OGB-AGS BY 00Z. MAIN SHORTWAVE OVER CNTRL TN WITH TRAILING VORT
INTO NRN AL. STILL EXPECT MOST OF SHORTWAVE ENERGY TO GO NORTH.
MODELS ALSO INDICATING UPPER LEVEL DIVERGENCE WEAKENING DURING THE
AFTERNOON. WILL GO WITH CATEGORICAL POPS FOR THE AFTERNOON FOR MY
NORTHERN TIER COUNTIES...AND KEEP LIKELY CENTRAL COUNTIES AND HIGH
CHANCE SOUTHERN COUNTIES. LOW CLOUDS SPREADING ACROSS THE CWA SHOULD
LIMIT HEATING AND STOP TEMPS FROM RISING. WILL RANGE TEMP=S MAXES
CLOSE TO CURRENT.

.CAE...NONE.

LM

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000Every 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.