Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 109

February 21, 20039 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Feb 21, 2003, 1:30 PM CST for 9 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Feb 21, 2003, 1:30 PM CST (19:30 UTC)
Expired: Feb 21, 2003, 3:30 PM CST
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Hardin County, TX, Harris County, TX, Jasper County, TX, Liberty County, TX, Montgomery County, TX, Newton County, TX, Polk County, TX, San Jacinto County, TX, Tyler County, TX

The radar

The Houston radar (KHGX), 110 km from the middle of the area, began a volume at 19:33 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.

Tornado Watch 12Feb 21, 3:40 PM CST

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
Feb 21, 1:43 AM CST	Mesoscale Discussion	SPC	Chambers, Hardin, Jasper, Jefferson, Liberty, Newton and 1 more	2 hr
Feb 21, 2:43 AM CST	Mesoscale Discussion	SPC	Dimmit, Edwards, Frio, Kinney, La Salle, Maverick and 5 more	3 hr
Feb 21, 3:53 AM CST	Mesoscale Discussion	SPC	Aransas, Austin, Brazoria, Calhoun, Colorado, Fort Bend and 13 more	3 hr
Feb 21, 4:10 AM CST	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bastrop, Bexar, Blanco, Brazos and 26 more	6 hr
Feb 21, 4:25 AM CST	Tornado Watch	SPC	Austin, Brazoria, Brazos, Burleson, Calhoun, Colorado and 15 more	6 hr
Feb 21, 5:58 AM CST	Mesoscale Discussion	SPC	Atascosa, Bandera, Bastrop, Bexar, Blanco, Brazos and 26 more	2 hr
Feb 21, 6:16 AM CST	Mesoscale Discussion	SPC	Austin, Brazoria, Brazos, Burleson, Calhoun, Colorado and 17 more	119 min
Feb 21, 9:02 AM CST	Mesoscale Discussion	SPC	Angelina, Brazoria, Chambers, Cherokee, Fort Bend, Galveston and 22 more	58 min
Feb 21, 9:40 AM CST	Tornado Watch	SPC	Angelina, Austin, Brazoria, Brazos, Burleson, Chambers and 25 more	6 hr
Feb 21, 11:47 AM CST	Mesoscale Discussion	SPC	Angelina, Brazoria, Chambers, Fort Bend, Galveston, Grimes and 18 more	118 min
Feb 21, 3:32 PM CST	Mesoscale Discussion	SPC	Hardin, Jasper, Liberty, Newton, Orange, Tyler	118 min
Feb 21, 3:40 PM CST	Tornado Watch	SPC	Angelina, Chambers, Hardin, Jasper, Jefferson, Nacogdoches and 5 more	6 hr
Feb 21, 5:50 PM CST	Mesoscale Discussion	SPC	Angelina, Chambers, Hardin, Jasper, Jefferson, Nacogdoches and 5 more	115 min

Nearby

Mesoscale Discussions in Texas, 2003 Every mesoscale discussion in 2003

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.