Alert archive / Texas / Mesoscale Discussions in 2009

Mesoscale Discussion 2274

December 23, 2009Lafayette County, Miller County, Arkansas; 4 parishes in Louisiana; 38 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Dec 23, 2009, 5:21 PM CST for Lafayette County, Miller County, Arkansas; 4 parishes in Louisiana; 38 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: Dec 23, 2009, 5:21 PM CST (23:21 UTC)
Expired: Dec 23, 2009, 7:15 PM CST
In force: 114 min
Issued by: the Storm Prediction Center

All 44 counties

Lafayette County, AR, Miller County, AR, Bossier Parish, LA, Caddo Parish, LA, De Soto Parish, LA, Sabine Parish, LA, Anderson County, TX, Angelina County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Houston County, TX, Jasper County, TX, Leon County, TX, Madison County, TX, Marion County, TX, Morris County, TX, Nacogdoches County, TX, Newton County, TX, Panola County, TX, Polk County, TX, Rains County, TX, Red River County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Trinity County, TX, Tyler County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 145 km from the middle of the area, began a volume at 23:21 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 806Dec 23, 8:45 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
Dec 23, 2:37 AM CST	Mesoscale Discussion	SPC	Crawford, Howard, Little River, Miller, Polk, Scott and 2 more	2 hr
Dec 23, 10:31 AM CST	Mesoscale Discussion	SPC	Benton	89 min
Dec 23, 1:59 PM CST	Tornado Watch	SPC	Miller	7 hr
Dec 23, 12:18 PM CST	Mesoscale Discussion	SPC	Cooke, Fannin, Grayson	57 min
Dec 23, 1:03 PM CST	Mesoscale Discussion	SPC	Anderson, Angelina, Austin, Brazos, Burleson, Camp and 39 more	57 min
Dec 23, 3:00 PM CST	Mesoscale Discussion	SPC	Bosque, Comanche, Cooke, Dallas, Denton, Erath and 8 more	60 min

Nearby

Mesoscale Discussions in Texas, 2009 Mesoscale Discussions in Louisiana, 2009 Mesoscale Discussions in Arkansas, 2009 Every 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.