Alert archive / Missouri / Heat Advisories in 2022

Heat Advisory 2, NWS St. Louis, MO

June 12, 202229 counties in Missouri; 17 counties in Illinois

NWS St. Louis, MO issued this heat advisory at Jun 12, 2022, 2:52 PM CDT for 29 counties in Missouri; 17 counties in Illinois. It took effect at Jun 13, 2022, 11:00 AM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Jun 12, 2022, 2:52 PM CDT (19:52 UTC)
In effect from: Jun 13, 2022, 11:00 AM CDT
Expired: Jun 17, 2022, 2:19 PM CDT
In force: 4 days
Issued by: NWS St. Louis, MO

All 46 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, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike 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, 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, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage 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), 18 km from the middle of the area, began a volume at 19:53 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 Jun 12, 12:30 PM CDT, 2 hours 22 minutes earlier.

Area forecast discussion, Jun 12, 12:30 PM CDT, 2 hours 22 minutes before

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Hazardous weather outlook, Jun 12, 3:57 AM CDT, 10 hours 55 minutes before

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In the hours before

Local storm report, Jun 12, 10:38 AM CDT, 4 hours 14 minutes before

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Local storm report, Jun 12, 10:48 AM CDT, 4 hours 4 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      <p id="message2">
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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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Local storm report, Jun 12, 10:50 AM CDT, 4 hours 2 minutes before

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<body>
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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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      <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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Local storm report, Jun 12, 10:52 AM CDT, 4 hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1052 AM CDT SUN JUN 12 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1043 AM     HAIL             2 W LITCHFIELD          39.18N 89.69W
06/12/2022  M1.00 INCH       MONTGOMERY         IL   TRAINED SPOTTER

&&

PFAHLER

Local storm report, Jun 12, 10:53 AM CDT, 3 hours 59 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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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Local storm report, Jun 12, 12:59 PM CDT, 1 hour 53 minutes before

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  <title>Service Notice</title>
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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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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  </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.

Issued	Product	Office	Counties	Lasted
Jun 12, 9:25 AM CDT	Severe Thunderstorm Warning	LSX	Macoupin	50 min
Jun 12, 10:14 AM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	46 min
Jun 12, 10:43 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Macoupin, Madison, Montgomery	47 min
Jun 12, 11:14 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette	33 min

Nearby

Heat Advisories in Missouri, 2022 Heat Advisories in Illinois, 2022 Every heat advisory in 2022

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.