Alert archive / South Carolina / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 121

March 29, 1997Lincoln County, Georgia; Scotland County, Union County, North Carolina; 30 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at Mar 29, 1997, 5:15 AM EST for Lincoln County, Georgia; Scotland County, Union County, North Carolina; 30 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 29, 1997, 5:15 AM EST (10:15 UTC)
Expired
Mar 29, 1997, 11:00 AM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 33 counties

Lincoln County, GA, Scotland County, NC, Union County, NC, Abbeville County, SC, Anderson County, SC, Calhoun County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, Williamsburg County, SC, York County, SC

The radar

The Columbia radar (KCAE), 62 km from the middle of the area, began a volume at 10:17 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.

Warnings issued inside it

1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 29, 5:23 AM ESTSevere Thunderstorm WarningGSPUnion, York37 min

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.3 hours before the alert went out and 222 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 00:00Z on 1997-03-29Temperature 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 00:00Z on 1997-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 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
1391 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
388 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 10:45 PM ESTTornado WatchSPCCatoosa, Dade, Murray, Walker, Whitfield6 hr
Mar 29, 12:45 AM ESTTornado WatchSPCBanks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 39 more4 hr

Nearby

Severe Thunderstorm Watches in South Carolina, 1997Severe Thunderstorm Watches in North Carolina, 1997Severe Thunderstorm Watches in Georgia, 1997Every severe thunderstorm watch in 1997

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.