Alert archive / South Carolina / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 47, NWS Charleston, SC

July 11, 2026Berkeley County, Charleston County, Dorchester County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jul 11, 2026, 5:02 PM EDT for Berkeley County, Charleston County, Dorchester County, South Carolina. It was in force for 28 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 11, 2026, 5:02 PM EDT (21:02 UTC)
Expired: Jul 11, 2026, 5:30 PM EDT
In force: 28 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 0.0 in
Wind: 60.0 mph

Counties Berkeley County, SC, Charleston County, SC, Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 96 km from the middle of the area, began a volume at 21:06 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
Jul 11, 2:26 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.0 hours before the alert went out and 15 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: 764 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1324 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 55 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.

NWS Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 11, 2:50 PM EDT, 2 hours 12 minutes earlier.

Area forecast discussion, Jul 11, 2:50 PM EDT, 2 hours 12 minutes before

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In the hours before

Local storm report, Jul 11, 1:18 PM EDT, 3 hours 44 minutes before

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Local storm report, Jul 11, 2:54 PM EDT, 2 hours 8 minutes before

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Special weather statement, Jul 11, 2:54 PM EDT, 2 hours 8 minutes before

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Special weather statement, Jul 11, 4:32 PM EDT, 30 minutes before

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Local storm report, Jul 11, 4:42 PM EDT, 20 minutes before

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Special weather statement, Jul 11, 4:57 PM EDT, 5 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 10, 9:16 PM EDT	Special Marine Warning	CHS		44 min
Jul 10, 9:53 PM EDT	Special Marine Warning	CHS		49 min
Jul 10, 10:08 PM EDT	Special Marine Warning	CHS		46 min
Jul 11, 2:42 PM EDT	Heat Advisory	CHS	Beaufort, Berkeley, Charleston, Colleton, Jasper	28 hr
Jul 11, 2:54 PM EDT	Special Weather Statement	CHS	Berkeley	36 min
Jul 11, 4:02 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Dorchester	58 min
Jul 11, 4:32 PM EDT	Special Weather Statement	CHS	Colleton, Dorchester	28 min
Jul 11, 4:33 PM EDT	Severe Thunderstorm Warning	CHS	Charleston	26 min
Jul 11, 4:43 PM EDT	Special Marine Warning	CHS		2 hr
Jul 11, 4:57 PM EDT	Special Weather Statement	CHS	Berkeley, Charleston, Colleton, Dorchester	48 min
Jul 11, 5:19 PM EDT	Areal Flood Advisory	CHS	Charleston	82 min
Jul 11, 5:38 PM EDT	Flash Flood Warning	CHS	Charleston	2 hr
Jul 11, 5:42 PM EDT	Special Weather Statement	CHS	Charleston	33 min
Jul 11, 6:01 PM EDT	Special Marine Warning	CHS		88 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2026 Every severe thunderstorm warning in 2026

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.