Alert archive / Missouri / Heat Advisories in 2024

Heat Advisory 7, NWS St. Louis, MO

July 28, 202425 counties in Missouri; 14 counties in Illinois

NWS St. Louis, MO issued this heat advisory at Jul 28, 2024, 3:27 AM CDT for 25 counties in Missouri; 14 counties in Illinois. It took effect at Jul 29, 2024, 1:00 PM CDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Jul 28, 2024, 3:27 AM CDT (08:27 UTC)
In effect from
Jul 29, 2024, 1:00 PM CDT
Expired
Aug 1, 2024, 7:00 PM CDT
In force
3 days
Issued by
NWS St. Louis, MO
All 39 counties

Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Marion County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 27 km from the middle of the area, began a volume at 08:29 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 27, 10:47 PM CDT, 4 hours 40 minutes earlier.

Area forecast discussion, Jul 27, 10:47 PM CDT, 4 hours 40 minutes before
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Hazardous weather outlook, Jul 27, 2:05 PM CDT, 13 hours 22 minutes before
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<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.
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    </section>
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</body>
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The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 3:27 AM CDTExcessive Heat WarningLSXAudrain, Boone, Callaway, Cole, Franklin, Gasconade and 17 more5 days
Jul 28, 5:26 PM CDTSevere Thunderstorm WarningLSXSaint Charles25 min
Jul 28, 5:52 PM CDTAreal Flood AdvisoryLSXMadison3 hr
Jul 28, 6:07 PM CDTAreal Flood AdvisoryLSXMarion52 min
Jul 28, 6:59 PM CDTFlash Flood WarningLSXMarion3 hr

Nearby

Heat Advisories in Missouri, 2024Heat Advisories in Illinois, 2024Every heat advisory in 2024

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.