Alert archive / South Carolina / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 756

September 25, 2000Burke County, Georgia; 4 counties in North Carolina; 19 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at Sep 25, 2000, 9:00 PM EDT for Burke County, Georgia; 4 counties in North Carolina; 19 counties in South Carolina. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Sep 25, 2000, 9:00 PM EDT (01:00 UTC)
Expired
Sep 26, 2000, 1:00 AM EDT
In force
4 hr
Issued by
the Storm Prediction Center
All 24 counties

Burke County, GA, Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Berkeley County, SC, Calhoun County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Kershaw County, SC, Lee County, SC, Marion County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Columbia radar (KCAE), 86 km from the middle of the area, began a volume at 01:00 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

Charleston AFB, SC (KCHS), launched 00:00Z, 1.0 hours before the alert went out and 80 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, Charleston AFB, SC at 00:00Z on 2000-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1823 joules per kilogram.LCLLFCEL10008507005003002001001 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, Charleston AFB, SC at 00:00Z on 2000-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 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
1823 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
981 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.2

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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 25, 8:15 PM EDTSevere Thunderstorm WatchSPCBeaufort, Bertie, Carteret, Craven, Dare, Duplin and 15 more4 hr

Nearby

Severe Thunderstorm Watches in South Carolina, 2000Severe Thunderstorm Watches in North Carolina, 2000Severe Thunderstorm Watches in Georgia, 2000Every severe thunderstorm watch 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.