Alert archive / Pennsylvania / River Flood Advisories in 2011

River Flood Advisory 13, NWS Pittsburgh, PA

May 17, 2011Allegheny County, Pennsylvania

NWS Pittsburgh, PA issued this river flood advisory at May 17, 2011, 10:02 PM EDT for Allegheny County, Pennsylvania. It took effect at May 18, 2011, 2:00 PM EDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued: May 17, 2011, 10:02 PM EDT (02:02 UTC)
In effect from: May 18, 2011, 2:00 PM EDT
Expired: May 20, 2011, 1:50 PM EDT
In force: 48 hr
Issued by: NWS Pittsburgh, PA

County Allegheny County, PA

The radar

The Pittsburgh radar (KPBZ), 21 km from the middle of the area, began a volume at 02:03 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 Ohio River at Pittsburgh (PTTP1).

Action stage: 18 ft
Minor stage: 22 ft
Moderate stage: 25 ft
Major stage: 28 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03085152, 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 advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this river flood advisory went out at May 17, 9:05 PM EDT, 57 minutes earlier.

Area forecast discussion, May 17, 9:05 PM EDT, 57 minutes before

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<body>
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    <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.
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      <p id="message2">
        Please try again in a few minutes.
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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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Hazardous weather outlook, May 17, 8:58 PM EDT, 1 hour 4 minutes before

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  <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>
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In the hours before

Special weather statement, May 17, 5:50 PM EDT, 4 hours 12 minutes before

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<html lang="en">
<head>
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  <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>

Special weather statement, May 17, 7:28 PM EDT, 2 hours 34 minutes before

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<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>

Special weather statement, May 17, 7:28 PM EDT, 2 hours 34 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 Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 2:41 AM EDT	Flood Watch	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	16 hr
May 18, 7:25 AM EDT	Special Weather Statement	PBZ	Allegheny, Lawrence, Westmoreland	50 min
May 18, 11:56 AM EDT	Special Weather Statement	PBZ	Allegheny	49 min
May 18, 12:51 PM EDT	Special Weather Statement	PBZ	Beaver	39 min
May 18, 1:21 PM EDT	Special Weather Statement	PBZ	Greene	39 min
May 18, 1:32 PM EDT	Special Weather Statement	PBZ	Butler, Lawrence	43 min
May 18, 1:37 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	53 min
May 18, 1:51 PM EDT	Special Weather Statement	PBZ	Allegheny, Westmoreland	54 min
May 18, 2:12 PM EDT	Areal Flood Warning	PBZ	Westmoreland	4 hr
May 18, 2:27 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	48 min
May 18, 2:34 PM EDT	Special Weather Statement	PBZ	Mercer	56 min
May 18, 2:53 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	52 min
May 18, 2:58 PM EDT	Flash Flood Warning	PBZ	Greene	62 min
May 18, 3:45 PM EDT	Areal Flood Advisory	PBZ	Washington	3 hr
May 18, 4:34 PM EDT	Special Weather Statement	PBZ	Allegheny	41 min
May 18, 4:38 PM EDT	Special Weather Statement	PBZ	Allegheny	37 min
May 18, 5:15 PM EDT	Special Weather Statement	PBZ	Butler, Lawrence	45 min
May 18, 6:07 PM EDT	Special Weather Statement	PBZ	Lawrence	38 min
May 18, 2:26 PM EDT	Special Weather Statement	PBZ	Jefferson	49 min
May 18, 2:32 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Columbiana, Jefferson	43 min
May 18, 5:19 PM EDT	Special Weather Statement	PBZ	Belmont, Harrison	41 min
May 18, 5:44 PM EDT	Special Weather Statement	PBZ	Carroll	31 min
May 18, 6:03 PM EDT	Special Weather Statement	PBZ	Belmont	42 min

Nearby

River Flood Advisories in Pennsylvania, 2011 Every river flood advisory in 2011

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.