Alert archive / Louisiana / Mesoscale Discussions in 2018

Mesoscale Discussion 229

April 7, 201810 parishes in Louisiana; Orange County, Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 7, 2018, 1:37 AM CDT for 10 parishes in Louisiana; Orange County, Texas. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
Apr 7, 2018, 1:37 AM CDT (06:37 UTC)
Expired
Apr 7, 2018, 3:00 AM CDT
In force
83 min
Issued by
the Storm Prediction Center

Counties Acadia Parish, LA, Allen Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA, Orange County, TX

The radar

The Lake Charles radar (KLCH), 42 km from the middle of the area, began a volume at 06:40 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.

The text

As transmitted.

<!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>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 6, 8:12 PM CDTMesoscale DiscussionSPCAcadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 21 more63 min
Apr 6, 8:53 PM CDTSevere Thunderstorm WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 33 more10 hr
Apr 6, 10:57 PM CDTMesoscale DiscussionSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 28 more93 min
Apr 7, 4:31 AM CDTMesoscale DiscussionSPCJefferson, Lafourche, Orleans, Saint Bernard, Saint Charles, Saint John the Baptist59 min
Apr 6, 9:22 PM CDTMesoscale DiscussionSPCAnderson, Falls, Freestone, Henderson, Houston, Leon and 9 more83 min

Nearby

Mesoscale Discussions in Louisiana, 2018Mesoscale Discussions in Texas, 2018Every mesoscale discussion in 2018

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.