Alert archive / South Carolina / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 23, NWS Charleston, SC

June 7, 2023Charleston County, Colleton County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 7, 2023, 6:00 PM EDT for Charleston County, Colleton County, South Carolina. It was in force for 45 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 7, 2023, 6:00 PM EDT (22:00 UTC)
Expired
Jun 7, 2023, 6:45 PM EDT
In force
45 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Charleston County, SC, Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 72 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 30 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-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2023-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 362 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2023-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
362 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
1460 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
58 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 Jun 7, 4:13 PM EDT, 1 hour 47 minutes earlier.

Area forecast discussion, Jun 7, 4:13 PM EDT, 1 hour 47 minutes before
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Hazardous weather outlook, Jun 7, 4:09 PM EDT, 1 hour 51 minutes before
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In the hours before

Special weather statement, Jun 7, 2:58 PM EDT, 3 hours 2 minutes before
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Local storm report, Jun 7, 3:51 PM EDT, 2 hours 9 minutes before
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Special weather statement, Jun 7, 4:23 PM EDT, 1 hour 37 minutes before
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<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
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Special weather statement, Jun 7, 5:43 PM EDT, 17 minutes before
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<body>
  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 9:03 PM EDTSpecial Weather StatementCHSCharleston27 min
Jun 6, 9:08 PM EDTSpecial Marine WarningCHS26 min
Jun 7, 2:58 PM EDTSpecial Weather StatementCHSBerkeley47 min
Jun 7, 4:23 PM EDTSpecial Weather StatementCHSGeorgetown37 min
Jun 7, 5:43 PM EDTSpecial Weather StatementCHSColleton47 min
Jun 7, 6:07 PM EDTSpecial Weather StatementCHSGeorgetown38 min
Jun 7, 6:25 PM EDTSpecial Marine WarningCHS71 min
Jun 7, 6:41 PM EDTSpecial Marine WarningCHS53 min
Jun 7, 7:08 PM EDTSpecial Weather StatementCHSHampton37 min
Jun 7, 7:53 PM EDTSpecial Weather StatementCHSColleton37 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2023Every severe thunderstorm warning in 2023

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.