Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 254, NWS Fort Worth, TX

May 28, 20175 counties in Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 28, 2017, 3:18 PM CDT for 5 counties in Texas. It was in force for 57 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 28, 2017, 3:18 PM CDT (20:18 UTC)
Expired: May 28, 2017, 4:15 PM CDT
In force: 57 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Rains County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 134 km from the middle of the area, began a volume at 20:21 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 28, 3:09 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.3 hours before the alert went out and 129 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1005 J/kg
Mixed-layer CIN: -290 J/kg
Mixed-layer LCL: 874 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.3

Open this sounding in Storm Lab

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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 1:06 PM CDT, 2 hours 12 minutes earlier.

Area forecast discussion, May 28, 1:06 PM CDT, 2 hours 12 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 28, 11:43 AM CDT, 3 hours 35 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 28, 9:20 AM CDT, 5 hours 58 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 28, 2:20 PM CDT, 58 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 28, 2:43 PM CDT, 35 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 28, 2:52 PM CDT, 26 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>

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 12:18 AM CDT	Severe Thunderstorm Warning	FWD	Montague	57 min
May 28, 12:39 AM CDT	Severe Thunderstorm Warning	FWD	Cooke	66 min
May 28, 1:17 AM CDT	Severe Thunderstorm Warning	FWD	Montague	28 min
May 28, 1:45 AM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson, Montague	60 min
May 28, 2:22 AM CDT	Areal Flood Advisory	FWD	Cooke, Montague	3 hr
May 28, 2:41 AM CDT	Severe Thunderstorm Warning	FWD	Montague, Wise	49 min
May 28, 2:47 AM CDT	Special Weather Statement	FWD	Cooke, Grayson	43 min
May 28, 3:07 AM CDT	Special Weather Statement	FWD	Jack	38 min
May 28, 3:27 AM CDT	Severe Thunderstorm Warning	FWD	Cooke	32 min
May 28, 3:34 AM CDT	Special Weather Statement	FWD	Denton, Wise	41 min
May 28, 6:17 AM CDT	Special Weather Statement	FWD	Hopkins, Rains, Van Zandt	58 min
May 28, 8:44 AM CDT	Special Weather Statement	FWD	Cherokee	31 min
May 28, 9:20 AM CDT	Special Weather Statement	FWD	Rains	25 min
May 28, 2:20 PM CDT	Special Weather Statement	FWD	Rockwall	55 min
May 28, 2:43 PM CDT	Special Weather Statement	FWD	Rockwall	47 min
May 28, 2:52 PM CDT	Special Weather Statement	FWD	Dallas	38 min
May 28, 3:23 PM CDT	Special Weather Statement	FWD	Kaufman	37 min
May 28, 3:54 PM CDT	Special Weather Statement	FWD	Kaufman, Van Zandt	36 min
May 28, 4:09 PM CDT	Special Weather Statement	FWD	Anderson	66 min
May 28, 4:23 PM CDT	Special Weather Statement	FWD	Van Zandt	37 min
May 28, 4:26 PM CDT	Severe Thunderstorm Warning	FWD	Anderson	49 min
May 28, 4:38 PM CDT	Areal Flood Advisory	FWD	Anderson	3 hr
May 28, 4:49 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	17 min
May 28, 4:53 PM CDT	Special Weather Statement	FWD	Freestone	37 min
May 28, 4:57 PM CDT	Special Weather Statement	FWD	Henderson	33 min
May 28, 5:38 PM CDT	Special Weather Statement	FWD	Falls	22 min
May 28, 5:45 PM CDT	Areal Flood Advisory	FWD	Falls	3 hr
May 28, 5:46 PM CDT	Severe Thunderstorm Warning	FWD	Falls, Robertson	59 min
May 28, 6:04 PM CDT	Severe Thunderstorm Warning	FWD	Falls, Milam	41 min
May 28, 6:23 PM CDT	Severe Thunderstorm Warning	FWD	Milam, Robertson	82 min
May 28, 6:29 PM CDT	Special Weather Statement	FWD	Cherokee	16 min
May 28, 6:30 PM CDT	Special Weather Statement	FWD	Coryell, Lampasas	30 min
May 28, 6:33 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas	57 min
May 28, 6:50 PM CDT	Areal Flood Advisory	FWD	Milam, Robertson	3 hr
May 28, 6:55 PM CDT	Special Weather Statement	FWD	Milam	35 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017 Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.