Alert archive / Missouri / Frost Advisories in 2024

Frost Advisory 1, NWS St. Louis, MO

April 5, 202424 counties in Missouri; Monroe County, Randolph County, Saint Clair County, Illinois

NWS St. Louis, MO issued this frost advisory at Apr 5, 2024, 2:33 AM CDT for 24 counties in Missouri; Monroe County, Randolph County, Saint Clair County, Illinois. It took effect at Apr 6, 2024, 12:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 5, 2024, 2:33 AM CDT (07:33 UTC)
In effect from
Apr 6, 2024, 12:00 AM CDT
Expired
Apr 6, 2024, 8:00 AM CDT
In force
8 hr
Issued by
NWS St. Louis, MO
All 27 counties

Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Audrain County, MO, City of Saint Louis, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Monroe County, MO, Montgomery County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis 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 07:36 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 frost 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 frost advisory went out at Apr 4, 6:30 PM CDT, 8 hours 3 minutes earlier.

Area forecast discussion, Apr 4, 6:30 PM CDT, 8 hours 3 minutes before
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Hazardous weather outlook, Apr 4, 3:00 PM CDT, 11 hours 33 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>
  </main>
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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
Apr 5, 2:33 AM CDTFreeze WarningLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 8 more29 hr

Nearby

Frost Advisories in Missouri, 2024Frost Advisories in Illinois, 2024Every frost 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.