Alert archive / Louisiana / River Flood Warnings in 2009

River Flood Warning 46, NWS New Orleans, LA

May 13, 2009Ascension Parish, Louisiana

NWS New Orleans, LA issued this river flood warning at May 13, 2009, 9:25 PM CDT for Ascension Parish, Louisiana. It took effect at May 19, 2009, 7:00 PM CDT. It was in force for 22 days.

The area

The counties it named.

The facts

Issued: May 13, 2009, 9:25 PM CDT (02:25 UTC)
In effect from: May 19, 2009, 7:00 PM CDT
Expired: Jun 10, 2009, 7:00 AM CDT
In force: 22 days
Issued by: NWS New Orleans, LA
Flood severity: Minor

County Ascension Parish, LA

The river

Written for the forecast point Mississippi River at Donaldsonville (DONL1).

Action stage: 25 ft
Minor stage: 27 ft
Moderate stage: 30 ft
Major stage: 34 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 New Orleans, LA wrote its last area forecast discussion before this river flood warning went out at May 13, 3:49 PM CDT, 5 hours 36 minutes earlier.

Area forecast discussion, May 13, 3:49 PM CDT, 5 hours 36 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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Hazardous weather outlook, May 13, 7:03 PM CDT, 2 hours 22 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 New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 14, 1:13 PM CDT	Flash Flood Warning	LIX	Saint Tammany	92 min
May 14, 2:04 PM CDT	Severe Thunderstorm Warning	LIX	Orleans	17 min
May 14, 2:33 PM CDT	Severe Thunderstorm Warning	LIX	Saint Tammany	57 min
May 14, 2:41 PM CDT	Severe Thunderstorm Warning	LIX	Saint John the Baptist	64 min
May 14, 3:20 PM CDT	Severe Thunderstorm Warning	LIX	Livingston	55 min

Nearby

River Flood Warnings in Louisiana, 2009 Every river flood warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.