Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 27, NWS Corpus Christi, TX

May 20, 2018Live Oak County, McMullen County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 20, 2018, 6:38 PM CDT for Live Oak County, McMullen County, Texas. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 20, 2018, 6:38 PM CDT (23:38 UTC)
Expired: May 20, 2018, 7:30 PM CDT
In force: 52 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Live Oak County, TX, McMullen County, TX

The radar

The Corpus Christi radar (KCRP), 104 km from the middle of the area, began a volume at 23:41 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 20, 6:30 PM CDT, 8 minutes earlier.

Area forecast discussion, May 20, 6:30 PM CDT, 8 minutes before

<!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>

Hazardous weather outlook, May 20, 4:43 PM CDT, 1 hour 55 minutes before

<!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>

In the hours before

Special weather statement, May 20, 4:47 PM CDT, 1 hour 51 minutes before

Special Weather Statement
National Weather Service Corpus Christi TX
447 PM CDT SUN MAY 20 2018

TXZ229-230-202230-
McMullen-La Salle-
447 PM CDT SUN MAY 20 2018

...A STRONG THUNDERSTORM WILL AFFECT LA SALLE AND NORTHWESTERN
MCMULLEN COUNTIES...

At 446 PM CDT, a few strong thunderstorms were located over portions
of La Salle County. The strongest thunderstorm was located near Los
Angeles, or 13 miles southeast of Dilley, moving northeast at 30 mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
Cotulla, Gardendale, Woodward, Zella, Fowlerton, Millett, Los
Angeles, Artesia Wells, Fort Ewell Site and Chaparral Wildlife
Management Area.

LAT...LON 2864 9854 2822 9866 2807 9939 2864 9940
TIME...MOT...LOC 2146Z 242DEG 27KT 2856 9899

GW

Special weather statement, May 20, 5:31 PM CDT, 1 hour 7 minutes before

<!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>

Special weather statement, May 20, 6:11 PM CDT, 27 minutes before

Special Weather Statement
National Weather Service Corpus Christi TX
611 PM CDT SUN MAY 20 2018

TXZ230-231-202345-
Live Oak-McMullen-
611 PM CDT SUN MAY 20 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MCMULLEN AND
NORTHWESTERN LIVE OAK COUNTIES...

At 610 PM CDT, a strong thunderstorm was located near Crowther, or
near Choke Canyon, moving northeast at 25 mph.

Wind gusts up to 50 mph and half inch hail are possible with this
storm.

Locations impacted include...
Three Rivers, Choke Canyon, Calliham, Nell, Karon, Crowther, Simmons,
Ray Point, Whitsett, Esseville and Oakville.

LAT...LON 2874 9805 2868 9804 2867 9808 2866 9809
      2851 9800 2848 9799 2836 9842 2864 9844
      2864 9834 2861 9833 2879 9810
TIME...MOT...LOC 2310Z 237DEG 23KT 2860 9833

GW

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 2:03 AM CDT	Special Weather Statement	CRP	McMullen	27 min
May 20, 6:51 AM CDT	Special Weather Statement	CRP	Jim Wells	24 min
May 20, 4:47 PM CDT	Special Weather Statement	CRP	La Salle	43 min
May 20, 5:31 PM CDT	Special Weather Statement	CRP	McMullen	44 min
May 20, 5:38 PM CDT	Areal Flood Advisory	CRP	La Salle, McMullen	3 hr
May 20, 6:11 PM CDT	Special Weather Statement	CRP	Live Oak	34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2018 Every severe thunderstorm warning in 2018

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.