Alert archive / Louisiana / Areal Flood Warnings in 2017

Areal Flood Warning 13, NWS Shreveport, LA

August 31, 20175 parishes in Louisiana

NWS Shreveport, LA issued this areal flood warning at Aug 31, 2017, 7:44 AM CDT for 5 parishes in Louisiana. It was in force for 33 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: Aug 31, 2017, 7:44 AM CDT (12:44 UTC)
Expired: Sep 1, 2017, 4:45 PM CDT
In force: 33 hr
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: None

Counties De Soto Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Winn Parish, LA

The radar

The Shreveport radar (KSHV), 83 km from the middle of the area, began a volume at 12:47 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.

What forecasters said that day

The local office's own words before this areal 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 areal flood warning went out at Aug 31, 4:27 AM CDT, 3 hours 17 minutes earlier.

Area forecast discussion, Aug 31, 4:27 AM CDT, 3 hours 17 minutes before

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Hazardous weather outlook, Aug 31, 5:59 AM CDT, 1 hour 45 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.
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    </section>
  </main>
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</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 7:46 PM CDT	Areal Flood Warning	SHV	Angelina, Nacogdoches	9 hr
Aug 30, 7:51 PM CDT	Flash Flood Warning	SHV	Sabine, San Augustine, Shelby	4 hr
Aug 30, 11:45 PM CDT	Flash Flood Warning	SHV	Sabine, San Augustine, Shelby	4 hr
Aug 31, 3:50 AM CDT	Areal Flood Warning	SHV	Sabine, San Augustine, Shelby	6 hr
Aug 31, 4:38 AM CDT	Areal Flood Warning	SHV	Angelina, Nacogdoches	9 hr
Aug 31, 9:42 AM CDT	Areal Flood Warning	SHV	Sabine, San Augustine, Shelby	9 hr
Aug 31, 1:40 PM CDT	Areal Flood Warning	SHV	Angelina, Nacogdoches	3 hr
Aug 30, 7:59 PM CDT	Flash Flood Warning	SHV	De Soto, Natchitoches, Red River, Sabine, Winn	12 hr

Nearby

Areal Flood Warnings in Louisiana, 2017 Every areal flood warning in 2017

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.