Alert archive / South Carolina / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 63, NWS Columbia, SC

June 8, 20254 counties in South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 8, 2025, 11:44 AM EDT for 4 counties in South Carolina. It was in force for 46 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: Jun 8, 2025, 11:44 AM EDT (15:44 UTC)
Expired: Jun 8, 2025, 12:30 PM EDT
In force: 46 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clarendon County, SC, Lee County, SC, Orangeburg County, SC, Sumter County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 3.7 hours before the alert went out and 107 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: 1747 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 917 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.6

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 Jun 8, 9:02 AM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, Jun 8, 9:02 AM EDT, 2 hours 42 minutes before

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In the hours before

Special weather statement, Jun 8, 9:19 AM EDT, 2 hours 25 minutes before

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Special weather statement, Jun 8, 9:59 AM EDT, 1 hour 45 minutes before

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Special weather statement, Jun 8, 10:50 AM EDT, 54 minutes before

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Special weather statement, Jun 8, 11:10 AM EDT, 34 minutes before

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Special weather statement, Jun 8, 11:12 AM EDT, 32 minutes before

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Special weather statement, Jun 8, 11:29 AM EDT, 15 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
Jun 7, 8:09 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, Fairfield, Lexington, McCormick, Newberry and 2 more	51 min
Jun 7, 8:36 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell, Edgefield, Lexington, Orangeburg	39 min
Jun 7, 8:54 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Fairfield, Kershaw, Lancaster, Lexington, Newberry and 2 more	51 min
Jun 7, 9:09 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Bamberg, Barnwell, Calhoun, Lexington, Orangeburg	51 min
Jun 7, 9:36 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Kershaw, Lee, Richland, Sumter	39 min
Jun 7, 9:54 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Orangeburg	51 min
Jun 8, 8:51 AM EDT	Special Weather Statement	CAE	McCormick	24 min
Jun 8, 9:19 AM EDT	Special Weather Statement	CAE	Edgefield, McCormick, Saluda	41 min
Jun 8, 9:28 AM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick, Saluda	47 min
Jun 8, 9:59 AM EDT	Special Weather Statement	CAE	Edgefield, Lexington, Saluda	61 min
Jun 8, 10:36 AM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	39 min
Jun 8, 10:50 AM EDT	Special Weather Statement	CAE	Bamberg, Barnwell	55 min
Jun 8, 11:10 AM EDT	Special Weather Statement	CAE	Kershaw, Lee	50 min
Jun 8, 11:12 AM EDT	Special Weather Statement	CAE	Clarendon, Sumter	33 min
Jun 8, 11:29 AM EDT	Special Weather Statement	CAE	Bamberg, Orangeburg	61 min
Jun 8, 12:03 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	42 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2025 Every severe thunderstorm warning in 2025

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.