Alert archive / South Carolina / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 25, NWS Columbia, SC

April 3, 2024Edgefield County, McCormick County, Saluda County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 3, 2024, 4:25 AM EDT for Edgefield County, McCormick County, Saluda 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: Apr 3, 2024, 4:25 AM EDT (08:25 UTC)
Expired: Apr 3, 2024, 5:15 AM EDT
In force: 50 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Edgefield County, SC, McCormick County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 82 km from the middle of the area, began a volume at 08:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 3, 1:00 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.4 hours before the alert went out and 239 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 86 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 1399 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

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 Apr 2, 7:23 PM EDT, 9 hours 2 minutes earlier.

Area forecast discussion, Apr 2, 7:23 PM EDT, 9 hours 2 minutes before

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Hazardous weather outlook, Apr 2, 4:57 AM EDT, 23 hours 28 minutes before

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The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 3:42 AM EDT	Special Weather Statement	CAE	McCormick	33 min
Apr 3, 5:14 AM EDT	Special Weather Statement	CAE	Lexington	61 min
Apr 3, 5:33 AM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	57 min
Apr 3, 12:36 PM EDT	River Flood Warning	CAE	Edgefield, McCormick	8 hr

Nearby

Severe Thunderstorm Warnings in South Carolina, 2024 Every severe thunderstorm warning in 2024

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.