Alert archive / South Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 84, NWS Charleston, SC

June 16, 2022Berkeley County, Colleton County, Dorchester County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 16, 2022, 7:45 PM EDT for Berkeley County, Colleton County, Dorchester County, South Carolina. It was in force for 60 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 16, 2022, 7:45 PM EDT (23:45 UTC)
Expired: Jun 16, 2022, 8:45 PM EDT
In force: 60 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Berkeley County, SC, Colleton County, SC, Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 79 km from the middle of the area, began a volume at 23:45 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.8 hours before the alert went out and 340 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: 2728 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 815 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.0

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 Jun 16, 7:34 PM EDT, 11 minutes earlier.

Area forecast discussion, Jun 16, 7:34 PM EDT, 11 minutes before

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Hazardous weather outlook, Jun 16, 4:30 PM EDT, 3 hours 15 minutes before

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In the hours before

Local storm report, Jun 16, 3:48 PM EDT, 3 hours 57 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
Jun 15, 11:46 PM EDT	Coastal Flood Statement	CHS		74 min
Jun 16, 3:36 PM EDT	Coastal Flood Advisory	CHS		9 hr
Jun 16, 4:00 PM EDT	Heat Advisory	CHS	Allendale, Berkeley, Colleton, Dorchester, Hampton	26 hr

Nearby

Severe Thunderstorm Warnings in South Carolina, 2022 Every severe thunderstorm warning in 2022

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.