Alert archive / Texas / River Flood Warnings in 2015

River Flood Warning 132, NWS Shreveport, LA

May 20, 2015Cass County, Marion County, Texas

NWS Shreveport, LA issued this river flood warning at May 20, 2015, 8:47 PM CDT for Cass County, Marion County, Texas. It took effect at May 22, 2015, 11:00 AM CDT. It was in force for 12 days.

The area

The counties it named.

The facts

Issued: May 20, 2015, 8:47 PM CDT (01:47 UTC)
In effect from: May 22, 2015, 11:00 AM CDT
Expired: Jun 3, 2015, 8:47 AM CDT
In force: 12 days
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Minor

Counties Cass County, TX, Marion County, TX

The radar

The Shreveport radar (KSHV), 72 km from the middle of the area, began a volume at 01:47 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 river

Written for the forecast point Black Cypress Bayou near Jefferson (JEFT2). The gauge peaked at 14.15 ft at May 27, 2015, 12:00 PM CDT.

Action stage: 12.5 ft
Minor stage: 13 ft
Moderate stage: 18 ft
Major stage: 21 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07346045, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

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

NWS Shreveport, LA wrote its last area forecast discussion before this river flood warning went out at May 20, 3:55 PM CDT, 4 hours 52 minutes earlier.

Area forecast discussion, May 20, 3:55 PM CDT, 4 hours 52 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, 12:34 PM CDT, 8 hours 13 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, May 20, 5:00 PM CDT, 3 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>

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 11:44 PM CDT	Special Weather Statement	SHV	San Augustine	61 min
May 21, 6:00 AM CDT	Special Weather Statement	SHV	Angelina	45 min
May 21, 6:12 AM CDT	Areal Flood Advisory	SHV	Angelina, Cherokee, Nacogdoches	3 hr
May 21, 6:21 AM CDT	Special Weather Statement	SHV	Camp, Cass, Franklin, Marion, Morris, Titus and 1 more	39 min
May 21, 6:57 AM CDT	Flash Flood Warning	SHV	Angelina	3 hr
May 21, 7:05 AM CDT	Special Weather Statement	SHV	Harrison, Marion	55 min
May 21, 8:14 AM CDT	Special Weather Statement	SHV	Gregg, Harrison, Panola, Rusk	46 min
May 21, 8:39 AM CDT	Areal Flood Advisory	SHV	Gregg, Harrison, Panola, Rusk, Shelby	3 hr
May 21, 8:47 AM CDT	Areal Flood Advisory	SHV	Angelina, Nacogdoches, Sabine, San Augustine	3 hr
May 21, 10:09 AM CDT	Areal Flood Advisory	SHV	Angelina, Nacogdoches	3 hr
May 21, 10:18 AM CDT	Areal Flood Advisory	SHV	Sabine	3 hr
May 21, 10:54 AM CDT	Flash Flood Warning	SHV	Angelina	4 hr
May 21, 2:48 PM CDT	Areal Flood Advisory	SHV	Angelina, Nacogdoches, San Augustine	117 min
May 21, 8:09 AM CDT	Special Weather Statement	SHV	Bienville, Claiborne, Red River, Webster	66 min
May 21, 10:00 AM CDT	Areal Flood Advisory	SHV	Bienville, Caldwell, Jackson, LaSalle, Lincoln, Natchitoches and 3 more	3 hr
May 21, 10:38 AM CDT	Special Weather Statement	SHV	Caldwell, Grant, LaSalle, Ouachita	52 min
May 21, 11:06 AM CDT	River Flood Warning	SHV	Grant, Natchitoches, Winn	37 days
May 21, 11:52 AM CDT	River Flood Warning	SHV	Caldwell, Grant, LaSalle, Winn	14 days
May 21, 12:57 PM CDT	Areal Flood Advisory	SHV	Caldwell, Grant, Jackson, LaSalle, Natchitoches, Ouachita and 2 more	2 hr

Nearby

River Flood Warnings in Texas, 2015 Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.