Alert archive / Missouri / Heat Advisories in 2023

Heat Advisory 3, NWS St. Louis, MO

July 12, 20234 counties in Missouri

NWS St. Louis, MO issued this heat advisory at Jul 12, 2023, 3:19 AM CDT for 4 counties in Missouri. It took effect at Jul 12, 2023, 12:00 PM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jul 12, 2023, 3:19 AM CDT (08:19 UTC)
In effect from: Jul 12, 2023, 12:00 PM CDT
Expired: Jul 12, 2023, 4:16 PM CDT
In force: 4 hr
Issued by: NWS St. Louis, MO

Counties Cole County, MO, Gasconade County, MO, Moniteau County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 121 km from the middle of the area, began a volume at 08:22 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 St. Louis, MO wrote its last area forecast discussion before this heat advisory went out at Jul 11, 10:41 PM CDT, 4 hours 38 minutes earlier.

Area forecast discussion, Jul 11, 10:41 PM CDT, 4 hours 38 minutes before

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Hazardous weather outlook, Jul 11, 2:47 PM CDT, 12 hours 32 minutes before

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</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.
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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 St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 12, 5:59 PM CDT	Severe Thunderstorm Warning	LSX	Boone	46 min
Jul 12, 6:49 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway	41 min

Nearby

Heat Advisories in Missouri, 2023 Every heat advisory 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; radar from the NEXRAD Level II archive.