Alert archive / Louisiana / River Flood Warnings in 2018

River Flood Warning 29, NWS Shreveport, LA

February 23, 20185 parishes in Louisiana

NWS Shreveport, LA issued this river flood warning at Feb 23, 2018, 3:36 PM CST for 5 parishes in Louisiana. It took effect at Feb 25, 2018, 10:30 PM CST. It was in force for 14 days.

The area

The counties it named.

The facts

Issued: Feb 23, 2018, 3:36 PM CST (21:36 UTC)
In effect from: Feb 25, 2018, 10:30 PM CST
Expired: Mar 12, 2018, 9:43 AM CDT
In force: 14 days
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Moderate

Counties Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Natchitoches Parish, LA, Red River Parish, LA

The radar

The Shreveport radar (KSHV), 46 km from the middle of the area, began a volume at 21:39 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 Red River at Coushatta (CSHL1).

Action stage: 30.5 ft
Minor stage: 31 ft
Moderate stage: 33 ft
Major stage: 37 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07350500, 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 Feb 23, 3:24 PM CST, 12 minutes earlier.

Area forecast discussion, Feb 23, 3:24 PM CST, 12 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, Feb 23, 11:24 AM CST, 4 hours 12 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, Feb 23, 11:56 AM CST, 3 hours 40 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, Feb 23, 1:17 PM CST, 2 hours 19 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
Feb 22, 8:35 PM CST	Areal Flood Advisory	SHV	Nacogdoches, San Augustine, Shelby	115 min
Feb 22, 9:32 PM CST	Areal Flood Advisory	SHV	San Augustine, Shelby	58 min
Feb 23, 2:15 AM CST	Flash Flood Warning	SHV	Camp, Franklin, Morris, Smith, Titus, Upshur and 1 more	6 hr
Feb 23, 4:07 AM CST	Areal Flood Warning	SHV	Smith	3 hr
Feb 23, 4:20 AM CST	Flash Flood Warning	SHV	Bowie, Cass	4 hr
Feb 23, 4:46 AM CST	Areal Flood Warning	SHV	Upshur, Wood	3 hr
Feb 23, 10:08 AM CST	River Flood Warning	SHV	Cass, Harrison, Marion	15 days
Feb 23, 3:30 PM CST	Lake Wind Advisory	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	27 hr
Feb 22, 7:42 PM CST	River Flood Warning	SHV	Caldwell, Grant, LaSalle, Winn	13 days
Feb 22, 10:46 PM CST	Flash Flood Warning	SHV	De Soto	89 min
Feb 22, 11:03 PM CST	Special Weather Statement	SHV	De Soto	27 min
Feb 23, 10:15 AM CST	River Flood Warning	SHV	Bossier, Caddo, Red River	13 days
Feb 23, 3:37 PM CST	River Flood Warning	SHV	Grant, Natchitoches, Red River	20 days
Feb 22, 6:27 PM CST	Areal Flood Advisory	SHV	Columbia, Lafayette, Nevada	2 hr
Feb 23, 4:24 AM CST	Flash Flood Warning	SHV	Hempstead, Howard, Lafayette, Little River, Miller, Nevada and 1 more	5 hr

Nearby

River Flood Warnings in Louisiana, 2018 Every river flood warning in 2018

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.