Alert archive / Texas / Flash Flood Warnings in 2019

Flash Flood Warning 20, NWS San Angelo, TX

June 23, 2019Callahan County, Texas

NWS San Angelo, TX issued this flash flood warning at Jun 23, 2019, 10:29 PM CDT for Callahan County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 23, 2019, 10:29 PM CDT (03:29 UTC)
Expired: Jun 24, 2019, 12:30 AM CDT
In force: 2 hr
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Flood severity: None

County Callahan County, TX

The radar

The Dyess AFB radar (KDYX), 29 km from the middle of the area, began a volume at 03:32 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.5 hours before the alert went out and 204 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: 2755 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1461 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 9.6

Open this sounding in Storm Lab

What forecasters said that day

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

NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Jun 23, 7:07 PM CDT, 3 hours 22 minutes earlier.

Area forecast discussion, Jun 23, 7:07 PM CDT, 3 hours 22 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, Jun 23, 2:35 PM CDT, 7 hours 54 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

Local storm report, Jun 23, 7:14 PM CDT, 3 hours 15 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, Jun 23, 7:42 PM CDT, 2 hours 47 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>

Local storm report, Jun 23, 7:57 PM CDT, 2 hours 32 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, Jun 23, 8:03 PM CDT, 2 hours 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>

Local storm report, Jun 23, 8:22 PM CDT, 2 hours 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, Jun 23, 9:46 PM CDT, 43 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 San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 7:42 PM CDT	Special Weather Statement	SJT	Callahan	63 min
Jun 23, 7:44 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	46 min
Jun 23, 8:03 PM CDT	Special Weather Statement	SJT	Callahan	42 min
Jun 23, 8:09 PM CDT	Areal Flood Advisory	SJT	Callahan	51 min
Jun 23, 8:29 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	61 min
Jun 23, 8:49 PM CDT	Severe Thunderstorm Warning	SJT	Brown	41 min
Jun 23, 9:21 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	54 min
Jun 23, 9:46 PM CDT	Special Weather Statement	SJT	Coleman	59 min
Jun 23, 10:09 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	66 min
Jun 23, 11:11 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	64 min
Jun 24, 3:08 PM CDT	Special Weather Statement	SJT	Runnels	37 min
Jun 24, 3:39 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Runnels, Tom Green	51 min
Jun 24, 4:12 PM CDT	Areal Flood Advisory	SJT	Concho, Runnels, Tom Green	3 hr
Jun 24, 4:22 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Runnels, Tom Green	38 min
Jun 24, 4:23 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	38 min
Jun 24, 4:25 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	39 min
Jun 24, 4:59 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Tom Green	46 min
Jun 24, 5:03 PM CDT	Areal Flood Advisory	SJT	Sterling	3 hr
Jun 24, 5:06 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	39 min
Jun 24, 5:09 PM CDT	Special Weather Statement	SJT	Runnels	51 min
Jun 24, 5:10 PM CDT	Special Weather Statement	SJT	Sterling	50 min
Jun 24, 5:13 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Sterling	47 min
Jun 24, 5:26 PM CDT	Areal Flood Advisory	SJT	Concho, Tom Green	3 hr
Jun 24, 5:42 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Tom Green	48 min
Jun 24, 5:51 PM CDT	Tornado Warning	SJT	Concho, Schleicher, Tom Green	39 min
Jun 24, 5:52 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Sterling, Tom Green	38 min
Jun 24, 6:13 PM CDT	Areal Flood Advisory	SJT	Tom Green	3 hr
Jun 24, 6:17 PM CDT	Areal Flood Advisory	SJT	Coke, Sterling	2 hr
Jun 24, 6:24 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Tom Green	51 min
Jun 24, 6:29 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Schleicher, Tom Green	46 min
Jun 24, 6:35 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher, Tom Green	40 min
Jun 24, 6:45 PM CDT	Tornado Warning	SJT	Menard, Schleicher	45 min
Jun 24, 6:53 PM CDT	Flash Flood Warning	SJT	Tom Green	3 hr

Nearby

Flash Flood Warnings in Texas, 2019 Every flash flood warning in 2019

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.