Alert archive / Louisiana / Mesoscale Discussions in 2009

Mesoscale Discussion 277

March 26, 200914 parishes in Louisiana; 6 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 26, 2009, 3:06 PM CDT for 14 parishes in Louisiana; 6 counties in Texas. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued
Mar 26, 2009, 3:06 PM CDT (20:06 UTC)
Expired
Mar 26, 2009, 4:00 PM CDT
In force
54 min
Issued by
the Storm Prediction Center

Counties Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, Hardin County, TX, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 24 km from the middle of the area, began a volume at 20:10 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The text

As transmitted, in the capitals the NWS used until 2016.

<!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
Mar 25, 8:32 PM CDTMesoscale DiscussionSPCAllen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 15 more88 min
Mar 25, 8:54 PM CDTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 32 more7 hr
Mar 25, 11:38 PM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, East Feliciana, Iberville, Lafayette and 15 more97 min
Mar 26, 1:25 AM CDTMesoscale DiscussionSPCJefferson, Lafourche, Orleans, Saint Bernard, Saint Charles35 min
Mar 26, 1:36 AM CDTTornado WatchSPCJefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more9 hr
Mar 26, 3:40 AM CDTMesoscale DiscussionSPCOrleans, Saint Bernard95 min
Mar 26, 3:57 PM CDTTornado WatchSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 16 more7 hr
Mar 26, 5:36 PM CDTMesoscale DiscussionSPCAscension, Assumption, Avoyelles, Catahoula, Concordia, East Baton Rouge and 26 more54 min
Mar 26, 5:56 PM CDTTornado WatchSPCAscension, Assumption, Catahoula, Concordia, East Baton Rouge, East Feliciana and 20 more7 hr
Mar 26, 6:56 PM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 16 more94 min
Mar 25, 7:12 PM CDTTornado WatchSPCAustin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 9 more6 hr
Mar 25, 7:31 PM CDTMesoscale DiscussionSPCAustin, Brazos, Burleson, Fayette, Grimes, Harris and 9 more59 min
Mar 26, 9:14 AM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 16 more31 min
Mar 26, 9:39 AM CDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 25 more5 hr
Mar 26, 12:43 PM CDTMesoscale DiscussionSPCAransas, Atascosa, Bee, Brazoria, Calhoun, DeWitt and 11 more62 min
Mar 26, 12:57 PM CDTSevere Thunderstorm WatchSPCAransas, Bee, Brazoria, Calhoun, Chambers, Duval and 17 more6 hr
Mar 26, 3:51 PM CDTMesoscale DiscussionSPCAransas, Brazoria, Calhoun, Chambers, Fort Bend, Galveston and 8 more54 min
Mar 26, 4:52 PM CDTMesoscale DiscussionSPCArcher, Clay, Comanche, Eastland, Erath, Hamilton and 9 more83 min
Mar 26, 6:32 PM CDTMesoscale DiscussionSPCDallam4 hr

Nearby

Mesoscale Discussions in Louisiana, 2009Mesoscale Discussions in Texas, 2009Every mesoscale discussion in 2009

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.