Alert archive / Texas / Flash Flood Watches in 2013

Flash Flood Watch 1, NWS Brownsville, TX

September 16, 20134 counties in Texas

NWS Brownsville, TX issued this flash flood watch at Sep 16, 2013, 8:32 AM CDT for 4 counties in Texas. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued: Sep 16, 2013, 8:32 AM CDT (13:32 UTC)
Expired: Sep 17, 2013, 1:00 PM CDT
In force: 28 hr
Issued by: NWS Brownsville, TX
Flood severity: None

Counties Cameron County, TX, Hidalgo County, TX, Starr County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 78 km from the middle of the area, began a volume at 13:36 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 1.5 hours before the alert went out and 81 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: 1272 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 608 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.4

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Brownsville, TX wrote its last area forecast discussion before this flash flood watch went out at Sep 16, 7:02 AM CDT, 1 hour 30 minutes earlier.

Area forecast discussion, Sep 16, 7:02 AM CDT, 1 hour 30 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, Sep 16, 8:01 AM CDT, 31 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, Sep 16, 8:00 AM CDT, 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, Sep 16, 8:14 AM CDT, 18 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 Brownsville, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 16, 7:41 AM CDT	Areal Flood Advisory	BRO	Cameron	64 min
Sep 16, 7:48 AM CDT	Special Marine Warning	BRO		57 min
Sep 16, 9:13 AM CDT	Areal Flood Advisory	BRO	Cameron	62 min
Sep 16, 10:55 AM CDT	Coastal Flood Advisory	BRO	Kenedy	32 hr
Sep 16, 1:35 PM CDT	Areal Flood Advisory	BRO	Cameron	55 min
Sep 16, 2:24 PM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo	66 min
Sep 16, 3:29 PM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo, Starr	61 min
Sep 16, 3:34 PM CDT	Areal Flood Advisory	BRO	Jim Hogg, Starr, Zapata	41 min
Sep 16, 4:13 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	32 min
Sep 16, 4:26 PM CDT	Areal Flood Advisory	BRO	Kenedy	49 min
Sep 16, 4:30 PM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo	60 min
Sep 16, 4:42 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	33 min
Sep 16, 5:03 PM CDT	Areal Flood Advisory	BRO	Jim Hogg, Starr, Zapata	57 min
Sep 16, 5:26 PM CDT	Areal Flood Advisory	BRO	Hidalgo, Jim Hogg, Starr, Zapata	64 min
Sep 16, 5:58 PM CDT	Areal Flood Advisory	BRO	Hidalgo, Starr, Willacy	62 min
Sep 16, 6:24 PM CDT	Areal Flood Advisory	BRO	Hidalgo	51 min
Sep 16, 6:37 PM CDT	Areal Flood Advisory	BRO	Hidalgo, Starr, Zapata	83 min

Nearby

Flash Flood Watches in Texas, 2013 Every flash flood watch in 2013

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.