Alert archive / Mississippi / River Flood Warnings in 2015

River Flood Warning 36, NWS New Orleans, LA

May 21, 2015Harrison County, Mississippi

NWS New Orleans, LA issued this river flood warning at May 21, 2015, 9:51 PM CDT for Harrison County, Mississippi. It took effect at May 22, 2015, 8:00 AM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: May 21, 2015, 9:51 PM CDT (02:51 UTC)
In effect from: May 22, 2015, 8:00 AM CDT
Expired: May 23, 2015, 8:00 AM CDT
In force: 24 hr
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Flood severity: Minor

County Harrison County, MS

The radar

The Mobile radar (KMOB), 86 km from the middle of the area, began a volume at 02:52 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 Biloxi River near Lyman (LYMM6).

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 16 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02481130, 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 21, 4:43 PM CDT, 5 hours 8 minutes earlier.

Area forecast discussion, May 21, 4:43 PM CDT, 5 hours 8 minutes before

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Hazardous weather outlook, May 21, 8:19 PM CDT, 1 hour 32 minutes before

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In the hours before

Local storm report, May 21, 4:04 PM CDT, 5 hours 47 minutes before

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Special weather statement, May 21, 4:24 PM CDT, 5 hours 27 minutes before

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      <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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Special weather statement, May 21, 4:35 PM CDT, 5 hours 16 minutes before

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<head>
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  <title>Service Notice</title>
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</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>
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:49 PM CDT	Special Marine Warning	LIX		56 min
May 21, 10:16 PM CDT	River Flood Warning	LIX	Saint Tammany	20 hr
May 22, 6:29 AM CDT	River Flood Warning	LIX	Saint Tammany	10 hr
May 22, 8:22 AM CDT	River Flood Warning	LIX	Harrison	31 hr

Nearby

River Flood Warnings in Mississippi, 2015 Every river flood warning in 2015

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.