Alert archive / Indiana / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 55, NWS Chicago, IL

June 10, 2015Porter County, Indiana

NWS Chicago, IL issued this severe thunderstorm warning at Jun 10, 2015, 6:48 AM CDT for Porter County, Indiana. It was in force for 42 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
Jun 10, 2015, 6:48 AM CDT (11:48 UTC)
Expired
Jun 10, 2015, 7:30 AM CDT
In force
42 min
Issued by
NWS Chicago, IL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Porter County, IN

The radar

The Chicago radar (KLOT), 85 km from the middle of the area, began a volume at 11:52 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 Chicago, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 6:15 AM CDT, 33 minutes earlier.

Area forecast discussion, Jun 10, 6:15 AM CDT, 33 minutes before
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Hazardous weather outlook, Jun 10, 4:45 AM CDT, 2 hours 3 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.
      </p>
    </section>
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In the hours before

Special weather statement, Jun 10, 6:41 AM CDT, 7 minutes before
<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 6:51 AM CDTSpecial Marine WarningLOT39 min
Jun 10, 7:29 AM CDTSpecial Weather StatementLOTGrundy, Kankakee, LaSalle, Will61 min
Jun 10, 8:19 AM CDTSpecial Weather StatementLOTLaSalle41 min
Jun 10, 8:47 AM CDTSpecial Weather StatementLOTGrundy43 min
Jun 10, 4:58 PM CDTSpecial Weather StatementLOTCook32 min
Jun 10, 5:00 PM CDTSpecial Marine WarningLOT60 min
Jun 10, 5:42 PM CDTSpecial Weather StatementLOTLaSalle33 min
Jun 10, 5:48 PM CDTSpecial Weather StatementLOTKendall42 min
Jun 10, 5:58 PM CDTSpecial Marine WarningLOT92 min
Jun 10, 6:11 PM CDTFlash Flood WarningLOTCook4 hr
Jun 10, 6:15 PM CDTSevere Thunderstorm WarningLOTWill45 min
Jun 10, 6:21 PM CDTSevere Thunderstorm WarningLOTCook39 min
Jun 10, 6:35 PM CDTSevere Thunderstorm WarningLOTKendall, Will40 min
Jun 10, 6:49 PM CDTFlash Flood WarningLOTKendall, Will4 hr
Jun 10, 6:41 AM CDTSpecial Weather StatementLOTPorter49 min
Jun 10, 7:07 AM CDTSpecial Weather StatementLOTPorter23 min
Jun 10, 6:48 PM CDTSpecial Weather StatementLOTPorter42 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2015Every severe thunderstorm warning in 2015

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.