Alert archive / Texas / Mesoscale Discussions in 2015

Mesoscale Discussion 1720

August 19, 20154 states

The Storm Prediction Center issued this mesoscale discussion at Aug 19, 2015, 2:45 PM CDT for 4 states. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Aug 19, 2015, 2:45 PM CDT (19:45 UTC)
Expired: Aug 19, 2015, 5:15 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 74 counties

Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Columbia County, AR, Desha County, AR, Drew County, AR, Lafayette County, AR, Lincoln County, AR, Ouachita County, AR, Phillips County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Union Parish, LA, Webster Parish, LA, Benton County, MS, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Lafayette County, MS, Leflore County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Yalobusha County, MS, Anderson County, TX, Bell County, TX, Bosque County, TX, Burnet County, TX, Cherokee County, TX, Coryell County, TX, Ellis County, TX, Falls County, TX, Freestone County, TX, Gregg County, TX, Hamilton County, TX, Harrison County, TX, Henderson County, TX, Hill County, TX, Houston County, TX, Kaufman County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Robertson County, TX, Rusk County, TX, Shelby County, TX, Smith County, TX, Upshur County, TX, Van Zandt County, TX, Williamson County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 28 km from the middle of the area, began a volume at 19:46 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, 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
Aug 18, 7:17 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll	88 min
Aug 19, 12:30 PM CDT	Mesoscale Discussion	SPC	Desha, Phillips	3 hr
Aug 19, 3:43 PM CDT	Mesoscale Discussion	SPC	Itawamba, Lowndes, Monroe	2 hr
Aug 18, 8:24 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Castro, Collingsworth, Deaf Smith and 9 more	3 hr
Aug 18, 11:03 PM CDT	Severe Thunderstorm Watch	SPC	Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 23 more	6 hr
Aug 19, 3:57 AM CDT	Mesoscale Discussion	SPC	Archer, Armstrong, Baylor, Briscoe, Castro, Childress and 20 more	63 min
Aug 19, 3:25 PM CDT	Mesoscale Discussion	SPC	Bandera, Brewster, Concho, Crockett, Edwards, Gillespie and 14 more	2 hr

Nearby

Mesoscale Discussions in Texas, 2015 Mesoscale Discussions in Mississippi, 2015 Mesoscale Discussions in Arkansas, 2015 Every mesoscale discussion in 2015

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.