Alert archive / South Carolina / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 76, NWS Charleston, SC

July 2, 2025Allendale County, Hampton County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jul 2, 2025, 9:41 PM EDT for Allendale County, Hampton County, South Carolina. It was in force for 48 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: Jul 2, 2025, 9:41 PM EDT (01:41 UTC)
Expired: Jul 2, 2025, 10:29 PM EDT
In force: 48 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 0.0 in
Wind: 60.0 mph

Counties Allendale County, SC, Hampton County, SC

The radar

The Charleston,SC radar (KCLX), 32 km from the middle of the area, began a volume at 01:44 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 nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 1.7 hours before the alert went out and 268 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: 763 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 893 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

Hazardous weather outlook, Jul 2, 9:31 PM EDT, 10 minutes before

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In the hours before

Special weather statement, Jul 2, 8:14 PM EDT, 1 hour 27 minutes before

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Special weather statement, Jul 2, 8:47 PM EDT, 54 minutes before

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Special weather statement, Jul 2, 9:16 PM EDT, 25 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 8:14 PM EDT	Special Weather Statement	CHS	Bryan	31 min
Jul 2, 8:47 PM EDT	Special Weather Statement	CHS	Bulloch	28 min
Jul 3, 10:07 AM EDT	Special Marine Warning	CHS		83 min
Jul 3, 2:39 PM EDT	Special Weather Statement	CHS	McIntosh	21 min
Jul 3, 3:05 PM EDT	Special Weather Statement	CHS	McIntosh	40 min
Jul 2, 8:56 PM EDT	Areal Flood Advisory	CHS	Berkeley	68 min
Jul 2, 9:16 PM EDT	Special Weather Statement	CHS	Allendale	29 min
Jul 2, 10:09 PM EDT	Areal Flood Advisory	CHS	Allendale	41 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; radar from the NEXRAD Level II archive.