Alert archive / Louisiana / River Flood Warnings in 2018

River Flood Warning 46, NWS Shreveport, LA

March 25, 2018Webster Parish, Louisiana; Columbia County, Arkansas

NWS Shreveport, LA issued this river flood warning at Mar 25, 2018, 8:28 PM CDT for Webster Parish, Louisiana; Columbia County, Arkansas. It took effect at Mar 28, 2018, 8:45 PM CDT. It was in force for 11 days.

The area

The counties it named.

The facts

Issued: Mar 25, 2018, 8:28 PM CDT (01:28 UTC)
In effect from: Mar 28, 2018, 8:45 PM CDT
Expired: Apr 8, 2018, 10:01 AM CDT
In force: 11 days
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Minor

Counties Columbia County, AR, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 77 km from the middle of the area, began a volume at 01:28 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 near Springhill (SPHL1). The gauge peaked at 13.98 ft at Mar 31, 2018, 11:00 PM CDT.

Action stage: 10.5 ft
Minor stage: 11 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 07348700, 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 Mar 25, 6:54 PM CDT, 1 hour 34 minutes earlier.

Area forecast discussion, Mar 25, 6:54 PM CDT, 1 hour 34 minutes before

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Hazardous weather outlook, Mar 25, 12:48 PM CDT, 7 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 8:28 PM CDT	River Flood Warning	SHV	Franklin, Morris, Red River, Titus	6 days
Mar 26, 12:41 PM CDT	River Flood Warning	SHV	Cass, Marion	4 days
Mar 26, 12:43 PM CDT	River Flood Warning	SHV	Franklin, Morris, Titus	70 hr
Mar 26, 2:12 PM CDT	Flash Flood Watch	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	65 hr

Nearby

River Flood Warnings in Louisiana, 2018 River Flood Warnings in Arkansas, 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.