Alert archive / Missouri / Excessive Heat Warnings in 2024

Excessive Heat Warning 1, NWS St. Louis, MO

July 28, 202423 counties in Missouri; 5 counties in Illinois

NWS St. Louis, MO issued this excessive heat warning at Jul 28, 2024, 3:27 AM CDT for 23 counties in Missouri; 5 counties in Illinois. It took effect at Jul 29, 2024, 1:00 PM CDT. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.

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 28 counties

Madison County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 46 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 excessive heat warning 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 excessive heat warning 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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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:27 AM CDTHeat AdvisoryLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 19 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

Excessive Heat Warnings in Missouri, 2024Excessive Heat Warnings in Illinois, 2024Every excessive heat warning 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.