Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 43, NWS San Angelo, TX

July 8, 2015Brown County, Coleman County, Texas

NWS San Angelo, TX issued this flash flood warning at Jul 8, 2015, 3:26 PM CDT for Brown County, Coleman County, Texas. It was in force for 3 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: Jul 8, 2015, 3:26 PM CDT (20:26 UTC)
Expired: Jul 8, 2015, 6:30 PM CDT
In force: 3 hr
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Flood severity: None

Counties Brown County, TX, Coleman County, TX

The radar

The Dyess AFB radar (KDYX), 85 km from the middle of the area, began a volume at 20:30 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 12:00Z, 8.4 hours before the alert went out and 217 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: 257 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 828 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -89 m²/s²
0-3 km storm-relative helicity: -40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 8, 12:45 PM CDT, 2 hours 41 minutes earlier.

Area forecast discussion, Jul 8, 12:45 PM CDT, 2 hours 41 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, Jul 8, 2:57 PM CDT, 29 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, Jul 8, 11:00 AM CDT, 4 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, Jul 8, 1:51 PM CDT, 1 hour 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>

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 7, 7:14 PM CDT	Areal Flood Advisory	SJT	Crockett	2 hr
Jul 7, 11:49 PM CDT	Areal Flood Advisory	SJT	Brown, McCulloch	116 min
Jul 8, 1:02 AM CDT	Flash Flood Warning	SJT	Brown, Coleman, McCulloch, San Saba	3 hr
Jul 8, 1:59 AM CDT	Areal Flood Advisory	SJT	Menard	2 hr
Jul 8, 3:41 AM CDT	Areal Flood Advisory	SJT	Concho, Menard, Schleicher	109 min
Jul 8, 4:17 AM CDT	Flash Flood Warning	SJT	Brown, Coleman, McCulloch, San Saba	3 hr
Jul 8, 7:06 AM CDT	Flash Flood Warning	SJT	Brown, Coleman, McCulloch, San Saba	114 min
Jul 8, 7:30 AM CDT	Areal Flood Advisory	SJT	Callahan, Coleman	90 min
Jul 8, 8:45 AM CDT	Flash Flood Warning	SJT	Brown, Coleman	4 hr
Jul 8, 8:52 AM CDT	Flash Flood Warning	SJT	McCulloch, San Saba	4 hr
Jul 8, 9:17 AM CDT	River Flood Warning	SJT	Brown, San Saba	24 hr
Jul 8, 9:17 AM CDT	River Flood Warning	SJT	Lampasas, San Saba	49 hr
Jul 8, 12:18 PM CDT	Flash Flood Warning	SJT	Brown, Coleman	3 hr
Jul 8, 12:20 PM CDT	River Flood Warning	SJT	Brown	72 hr
Jul 8, 4:32 PM CDT	Areal Flood Advisory	SJT	Irion, Tom Green	118 min
Jul 8, 4:45 PM CDT	Special Weather Statement	SJT	Tom Green	30 min
Jul 8, 5:17 PM CDT	Special Weather Statement	SJT	Tom Green	43 min
Jul 8, 6:49 PM CDT	Areal Flood Warning	SJT	Brown	12 hr

Nearby

Flash Flood Warnings in Texas, 2015 Every flash flood warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.