Alert archive / Texas / Mesoscale Discussions in 2010

Mesoscale Discussion 641

May 20, 201028 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 20, 2010, 8:00 PM CDT for 28 counties in Texas. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: May 20, 2010, 8:00 PM CDT (01:00 UTC)
Expired: May 20, 2010, 9:00 PM CDT
In force: 60 min
Issued by: the Storm Prediction Center

All 28 counties

Bell County, TX, Blanco County, TX, Brazos County, TX, Burnet County, TX, Concho County, TX, Coryell County, TX, Falls County, TX, Freestone County, TX, Gillespie County, TX, Houston County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Milam County, TX, Mills County, TX, Robertson County, TX, San Saba County, TX, Trinity County, TX, Walker County, TX, Williamson County, TX

The radar

The Ft Hood radar (KGRK), 46 km from the middle of the area, began a volume at 01:03 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.

Severe Thunderstorm Watch 197May 20, 8:15 PM CDT

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.

Issued	Product	Office	Counties	Lasted
May 20, 8:14 PM CDT	Severe Thunderstorm Watch	SPC	Bell, Bosque, Brazos, Brown, Burleson, Burnet and 21 more	3 hr
May 20, 9:26 PM CDT	Mesoscale Discussion	SPC	Bell, Brazos, Burleson, Burnet, Coryell, Falls and 16 more	94 min
May 21, 3:25 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Collingsworth, Dallam, Donley and 13 more	65 min
May 21, 4:30 PM CDT	Mesoscale Discussion	SPC	Andrews, Brewster, Crane, Ector, Jeff Davis, Loving and 5 more	90 min
May 21, 6:41 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Donley, Floyd, Gray and 7 more	94 min

Nearby

Mesoscale Discussions in Texas, 2010 Every mesoscale discussion 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.