Alert archive / South Carolina / Heat Advisories in 2020

Heat Advisory 2, NWS Columbia, SC

July 20, 2020Lancaster County, South Carolina

NWS Columbia, SC issued this heat advisory at Jul 20, 2020, 10:02 PM EDT for Lancaster County, South Carolina. It took effect at Jul 21, 2020, 12:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jul 20, 2020, 10:02 PM EDT (02:02 UTC)
In effect from: Jul 21, 2020, 12:00 PM EDT
Expired: Jul 21, 2020, 7:45 PM EDT
In force: 8 hr
Issued by: NWS Columbia, SC

County Lancaster County, SC

The radar

The Columbia radar (KCAE), 90 km from the middle of the area, began a volume at 02:04 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.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this heat advisory went out at Jul 20, 7:32 PM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jul 20, 7:32 PM EDT, 2 hours 30 minutes before

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Hazardous weather outlook, Jul 20, 4:01 AM EDT, 18 hours 1 minute before

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In the hours before

Special weather statement, Jul 20, 4:29 PM EDT, 5 hours 33 minutes before

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Special weather statement, Jul 20, 5:09 PM EDT, 4 hours 53 minutes before

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Special weather statement, Jul 20, 5:45 PM EDT, 4 hours 17 minutes before

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    <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.
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        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 Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 21, 2:17 PM EDT	Special Weather Statement	CAE	Chesterfield, Kershaw	43 min
Jul 21, 2:26 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Lancaster	49 min
Jul 21, 2:45 PM EDT	Special Weather Statement	CAE	Lexington, Richland	60 min
Jul 21, 2:51 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	39 min
Jul 21, 3:04 PM EDT	Special Weather Statement	CAE	Aiken, Edgefield, Lexington	56 min
Jul 21, 3:18 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, Lexington, Saluda	40 min
Jul 21, 3:32 PM EDT	Special Weather Statement	CAE	McCormick	28 min
Jul 21, 4:28 PM EDT	Special Weather Statement	CAE	Newberry	32 min
Jul 21, 7:45 PM EDT	Heat Advisory	CAE	Lancaster	24 hr
Jul 21, 2:10 PM EDT	Special Weather Statement	CAE	Columbia, McDuffie, Richmond	35 min

Nearby

Heat Advisories in South Carolina, 2020 Every heat advisory in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.