Alert archive / South Carolina / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 28

January 24, 19977 counties in North Carolina; 22 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at Jan 24, 1997, 4:00 PM EST for 7 counties in North Carolina; 22 counties in South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 24, 1997, 4:00 PM EST (21:00 UTC)
Expired
Jan 24, 1997, 9:00 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 29 counties

Bladen County, NC, Brunswick County, NC, Columbus County, NC, Cumberland County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Bamberg County, SC, Berkeley County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Fairfield County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Columbia radar (KCAE), 100 km from the middle of the area, began a volume at 21:02 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

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

IssuedProductOfficeCountiesLasted
Jan 24, 4:04 PM ESTSevere Thunderstorm WarningCAELexington26 min
Jan 24, 4:12 PM ESTSevere Thunderstorm WarningCAECalhoun48 min
Jan 24, 4:28 PM ESTSevere Thunderstorm WarningCAEOrangeburg32 min
Jan 24, 4:34 PM ESTSevere Thunderstorm WarningCAERichland26 min
Jan 24, 5:23 PM ESTSevere Thunderstorm WarningILMFlorence52 min

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.0 hours before the alert went out and 140 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 1997-01-24Temperature 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, Charleston AFB, SC at 12:00Z on 1997-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
1085 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
158 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.

Nearby

Severe Thunderstorm Watches in South Carolina, 1997Severe Thunderstorm Watches in North Carolina, 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.