Alert archive / South Carolina / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 549

July 7, 20007 counties in Georgia; 18 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at Jul 7, 2000, 1:30 PM EDT for 7 counties in Georgia; 18 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 7, 2000, 1:30 PM EDT (17:30 UTC)
Expired
Jul 7, 2000, 7:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 25 counties

Bryan County, GA, Bulloch County, GA, Burke County, GA, Chatham County, GA, Effingham County, GA, Jenkins County, GA, Screven County, GA, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dorchester County, SC, Georgetown County, SC, Hampton County, SC, Jasper County, SC, Lee County, SC, Orangeburg County, SC, Sumter County, SC, Williamsburg County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.5 hours before the alert went out and 97 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 12:00Z on 2000-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1816 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 12:00Z on 2000-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
1816 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

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.

Nearby

Severe Thunderstorm Watches in South 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.