Alert archive / Missouri / Wind Chill Advisories in 2010

Wind Chill Advisory 7, NWS St. Louis, MO

December 12, 201024 counties in Missouri; 11 counties in Illinois

NWS St. Louis, MO issued this wind chill advisory at Dec 12, 2010, 4:19 AM CST for 24 counties in Missouri; 11 counties in Illinois. It took effect at Dec 12, 2010, 6:00 PM CST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2010, 4:19 AM CST (10:19 UTC)
In effect from: Dec 12, 2010, 6:00 PM CST
Expired: Dec 13, 2010, 10:00 AM CST
In force: 16 hr
Issued by: NWS St. Louis, MO

All 35 counties

Adams County, IL, Brown County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Saint Clair 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, 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, Shelby County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 52 km from the middle of the area, began a volume at 10:18 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 wind chill 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 wind chill advisory went out at Dec 11, 5:46 PM CST, 10 hours 33 minutes earlier.

Area forecast discussion, Dec 11, 5:46 PM CST, 10 hours 33 minutes before

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Hazardous weather outlook, Dec 11, 4:21 PM CST, 11 hours 58 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.

Issued	Product	Office	Counties	Lasted
Dec 11, 9:35 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Pike	14 hr
Dec 12, 4:19 AM CST	Winter Weather Advisory	LSX	Bond, Clinton, Fayette, Macoupin, Madison, Marion and 5 more	17 hr

Nearby

Wind Chill Advisories in Missouri, 2010 Wind Chill Advisories in Illinois, 2010 Every wind chill advisory in 2010

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.