Alert archive / South Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 98, NWS Charleston, SC

July 8, 2022Berkeley County, Colleton County, Dorchester County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jul 8, 2022, 5:48 PM EDT for Berkeley County, Colleton County, Dorchester County, South Carolina. It was in force for 57 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 8, 2022, 5:48 PM EDT (21:48 UTC)
Expired: Jul 8, 2022, 6:45 PM EDT
In force: 57 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 21:47 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

Charleston AFB, SC (KCHS), launched 12:00Z, 9.8 hours before the alert went out and 35 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: 100 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 1127 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 33 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 8, 4:32 PM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jul 8, 4:32 PM EDT, 1 hour 16 minutes before

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Hazardous weather outlook, Jul 8, 4:47 PM EDT, 1 hour 1 minute before

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In the hours before

Special weather statement, Jul 8, 3:49 PM EDT, 1 hour 59 minutes before

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Local storm report, Jul 8, 3:55 PM EDT, 1 hour 53 minutes before

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Local storm report, Jul 8, 4:17 PM EDT, 1 hour 31 minutes before

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Special weather statement, Jul 8, 4:19 PM EDT, 1 hour 29 minutes before

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Special weather statement, Jul 8, 4:40 PM EDT, 1 hour 8 minutes before

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Special weather statement, Jul 8, 5:27 PM EDT, 21 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 8, 3:36 PM EDT	Small Craft Advisory	CHS		30 hr
Jul 8, 3:49 PM EDT	Special Weather Statement	CHS	Allendale	41 min
Jul 8, 4:19 PM EDT	Special Weather Statement	CHS	Allendale, Hampton	41 min
Jul 8, 4:23 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Colleton, Hampton, Jasper	52 min
Jul 8, 4:40 PM EDT	Special Weather Statement	CHS	Jasper	50 min
Jul 8, 5:27 PM EDT	Special Weather Statement	CHS	Colleton	48 min
Jul 8, 6:36 PM EDT	Special Weather Statement	CHS	Berkeley	39 min
Jul 8, 3:29 PM EDT	Special Weather Statement	CHS	Jenkins	31 min

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.