Alert archive / Colorado / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 397, NWS Denver/Boulder, CO

September 19, 2026Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Sep 19, 2026, 2:43 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 19, 2026, 2:43 PM MDT (20:43 UTC)
Expired
Sep 19, 2026, 3:30 PM MDT
In force
47 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Elbert County, CO, Lincoln County, CO

The radar

The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 20:44 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 19, 12:19 PM MDT, 2 hours 24 minutes earlier.

Area forecast discussion, Sep 19, 12:19 PM MDT, 2 hours 24 minutes before
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In the hours before

Special weather statement, Sep 19, 12:58 PM MDT, 1 hour 45 minutes before
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Local storm report, Sep 19, 2:12 PM MDT, 31 minutes before
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<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>
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        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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Local storm report, Sep 19, 2:21 PM MDT, 22 minutes before
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<html lang="en">
<head>
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  <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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 19, 12:58 PM MDTSpecial Weather StatementBOUArapahoe47 min
Sep 19, 1:23 PM MDTSevere Thunderstorm WarningBOUArapahoe, Elbert52 min
Sep 19, 1:41 PM MDTAreal Flood AdvisoryBOUElbert2 hr
Sep 19, 1:46 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe29 min
Sep 19, 2:08 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Elbert52 min
Sep 19, 2:16 PM MDTSevere Thunderstorm WarningBOUElbert44 min
Sep 19, 2:54 PM MDTSpecial Weather StatementBOUWashington51 min
Sep 19, 3:14 PM MDTSevere Thunderstorm WarningBOULincoln46 min
Sep 19, 3:52 PM MDTSevere Thunderstorm Warning Considerable damage threatBOULincoln38 min
Sep 19, 3:56 PM MDTSpecial Weather StatementBOULarimer49 min
Sep 19, 5:29 PM MDTSpecial Weather StatementBOUWeld46 min
Sep 19, 5:55 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver, Douglas, Elbert29 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2026Every severe thunderstorm warning in 2026

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.