Alert archive / South Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 34, NWS Charleston, SC

April 6, 2022Beaufort County, Colleton County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Apr 6, 2022, 10:40 PM EDT for Beaufort County, Colleton County, South Carolina. It was in force for 35 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: Apr 6, 2022, 10:40 PM EDT (02:40 UTC)
Expired: Apr 6, 2022, 11:15 PM EDT
In force: 35 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Beaufort County, SC, Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 35 km from the middle of the area, began a volume at 02:42 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
Apr 6, 4:21 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 2.7 hours before the alert went out and 71 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: 1861 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 726 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.6

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 Apr 6, 9:54 PM EDT, 46 minutes earlier.

Area forecast discussion, Apr 6, 9:54 PM EDT, 46 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Apr 6, 4:35 PM EDT, 6 hours 5 minutes before

Hazardous Weather Outlook
National Weather Service Charleston SC
435 PM EDT Wed Apr 6 2022

AMZ330-350-352-354-GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-
047>052-072045-
Charleston Harbor-
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-Jenkins-Screven-Candler-Bulloch-
Effingham-Tattnall-Evans-Inland Bryan-Coastal Bryan-Inland Chatham-
Coastal Chatham-Long-Inland Liberty-Coastal Liberty-Inland McIntosh-
Coastal McIntosh-Allendale-Hampton-Inland Colleton-Dorchester-
Inland Berkeley-Inland Jasper-Beaufort-Coastal Colleton-Charleston-
Coastal Jasper-Tidal Berkeley-
435 PM EDT Wed Apr 6 2022

...TORNADO WATCH 102 IN EFFECT UNTIL 11 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for Atlantic coastal waters,
southeast Georgia and southeast South Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Tornado Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter assistance is not anticipated at this time.

AMZ374-072045-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
435 PM EDT Wed Apr 6 2022

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Tonight.

Severe Thunderstorms: Another round of severe weather is possible
this afternoon and evening across Southeast South Carolina and
Southeast Georgia. There will be a risk for winds in excess of 35
knots, hail and even a few waterspouts.

Be ready to take action should severe weather develop. Stay tuned to
NOAA Weather Radio, TV or your local news source for the latest
information from the National Weather Service.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Please relay any reports of hazardous weather including, but not
limited to large hail, damaging winds and flooding to the National
Weather Service in Charleston at 1-888-383-2024.

In the hours before

Local storm report, Apr 6, 7:42 PM EDT, 2 hours 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
742 PM EDT WED APR 06 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0746 PM     TSTM WND DMG     3 N WADMALAW ISLAND     32.72N  80.16W
04/05/2022                   CHARLESTON         SC   BROADCAST MEDIA

            AT LEAST ONE DOWNED TREE AT RESIDENCE ALONG CHISHOLM
            RD. TIME ESTIMATED.

&&

EVENT NUMBER CHS2200394

RJB

Local storm report, Apr 6, 8:20 PM EDT, 2 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
820 PM EDT WED APR 06 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0517 PM     FUNNEL CLOUD     4 SSW MONCKS CORNER     33.14N  80.03W
04/06/2022                   BERKELEY           SC   BROADCAST MEDIA

            BROADCAST MEDIA RELAYED A VIDEO VIA SOCIAL MEDIA OF A
            FUNNEL CLOUD.

&&

EVENT NUMBER CHS2200395

CPM

Local storm report, Apr 6, 8:46 PM EDT, 1 hour 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
846 PM EDT WED APR 06 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0833 PM     HAIL             4 SW PINOPOLIS          33.19N  80.08W
04/06/2022  E1.00 INCH       BERKELEY           SC   PUBLIC

            PUBLIC REPORT OF NICKEL TO QUARTER SIZED HAIL AROUND
            COOPER STORE ROAD.

&&

EVENT NUMBER CHS2200396

ETM

Local storm report, Apr 6, 9:05 PM EDT, 1 hour 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
905 PM EDT WED APR 06 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0856 PM     HAIL             4 SW LADSON             32.95N  80.16W
04/06/2022  E1.00 INCH       DORCHESTER         SC   NWS EMPLOYEE

&&

EVENT NUMBER CHS2200397

CPM

Local storm report, Apr 6, 9:17 PM EDT, 1 hour 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
917 PM EDT WED APR 06 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0642 PM     TSTM WND DMG     3 WSW ASHTON            32.99N  81.02W
04/06/2022                   COLLETON           SC   LAW ENFORCEMENT

            TREE IN ROADWAY AT CAYCE RD AND MOSELLE RD. TIME
            ESTIMATED FROM RADAR.

&&

EVENT NUMBER CHS2200398

CPM

Special weather statement, Apr 6, 10:13 PM EDT, 27 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:24 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Dorchester	66 min
Apr 6, 8:30 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	45 min
Apr 6, 8:51 PM EDT	Areal Flood Advisory	CHS	Berkeley	3 hr
Apr 6, 9:00 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	60 min
Apr 6, 9:24 PM EDT	Special Marine Warning	CHS		96 min
Apr 6, 9:31 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton, Jasper	44 min
Apr 6, 10:13 PM EDT	Special Weather Statement	CHS	Beaufort, Colleton, Hampton, Jasper	47 min
Apr 6, 10:17 PM EDT	Special Marine Warning	CHS		118 min
Apr 6, 10:44 PM EDT	Special Marine Warning	CHS		2 hr
Apr 6, 10:53 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	67 min
Apr 6, 10:59 PM EDT	Tornado Warning	CHS	Colleton	18 min
Apr 6, 11:55 PM EDT	Special Weather Statement	CHS	Berkeley	35 min
Apr 7, 12:12 AM EDT	Special Marine Warning	CHS		43 min
Apr 7, 12:39 AM EDT	Special Marine Warning	CHS		51 min
Apr 7, 3:15 AM EDT	Special Marine Warning	CHS		64 min
Apr 7, 3:52 AM EDT	Special Marine Warning	CHS		113 min
Apr 7, 1:28 PM EDT	Special Weather Statement	CHS	Beaufort	47 min
Apr 7, 1:48 PM EDT	Special Marine Warning	CHS		29 min
Apr 7, 2:38 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	52 min
Apr 7, 3:29 PM EDT	Special Marine Warning	CHS		2 hr
Apr 6, 8:25 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Candler, Evans, Jenkins, Liberty and 3 more	65 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.