Alert archive / Louisiana / River Flood Warnings in 2020

River Flood Warning 87, NWS Shreveport, LA

April 11, 2020Bienville Parish, Bossier Parish, Webster Parish, Louisiana

NWS Shreveport, LA issued this river flood warning at Apr 11, 2020, 10:33 AM CDT for Bienville Parish, Bossier Parish, Webster Parish, Louisiana. It took effect at Apr 14, 2020, 1:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Apr 11, 2020, 10:33 AM CDT (15:33 UTC)
In effect from: Apr 14, 2020, 1:00 AM CDT
Expired: Apr 12, 2020, 10:19 AM CDT
In force
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Minor

Counties Bienville Parish, LA, Bossier Parish, LA, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 50 km from the middle of the area, began a volume at 15:39 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 Bayou Dorcheat at Dixie Inn (MNEL1). The gauge peaked at 12.95 ft at Apr 10, 2020, 11:00 AM CDT.

Action stage: 13.5 ft
Minor stage: 14 ft
Moderate stage: 20 ft
Major stage: 24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07349000, 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 Apr 11, 10:09 AM CDT, 24 minutes earlier.

Area forecast discussion, Apr 11, 10:09 AM CDT, 24 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, Apr 11, 5:54 AM CDT, 4 hours 39 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
Apr 11, 10:28 AM CDT	River Flood Warning	SHV	Franklin, Morris, Red River, Titus	24 hr
Apr 11, 10:29 AM CDT	River Flood Warning	SHV	Franklin, Morris, Titus	25 hr
Apr 11, 2:31 PM CDT	Special Weather Statement	SHV	Gregg, Smith	44 min
Apr 11, 3:19 PM CDT	Special Weather Statement	SHV	Gregg, Harrison	41 min
Apr 11, 3:55 PM CDT	Special Weather Statement	SHV	Harrison	50 min
Apr 11, 4:45 PM CDT	Special Weather Statement	SHV	Camp, Morris	45 min
Apr 11, 5:24 PM CDT	Special Weather Statement	SHV	Cass	36 min
Apr 11, 4:42 PM CDT	Special Weather Statement	SHV	Bossier, Webster	48 min

Nearby

River Flood Warnings in Louisiana, 2020 Every river flood warning in 2020

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.