Alert archive / Pennsylvania / River Flood Advisories in 2012

River Flood Advisory 3, NWS Pittsburgh, PA

October 29, 2012Allegheny County, Pennsylvania

NWS Pittsburgh, PA issued this river flood advisory at Oct 29, 2012, 11:23 AM EDT for Allegheny County, Pennsylvania. It took effect at Oct 30, 2012, 8:00 PM EDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Oct 29, 2012, 11:23 AM EDT (15:23 UTC)
In effect from: Oct 30, 2012, 8:00 PM EDT
Expired: Oct 31, 2012, 10:33 AM EDT
In force: 15 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 15:27 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 Oct 29, 10:26 AM EDT, 57 minutes earlier.

Area forecast discussion, Oct 29, 10:26 AM EDT, 57 minutes before

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Hazardous weather outlook, Oct 29, 5:06 AM EDT, 6 hours 17 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
Oct 29, 11:32 AM EDT	River Flood Watch	PBZ	Fayette	11 hr
Oct 29, 11:32 AM EDT	River Flood Watch	PBZ	Allegheny, Westmoreland	11 hr
Oct 29, 11:32 AM EDT	River Flood Watch	PBZ	Fayette, Washington, Westmoreland	11 hr
Oct 29, 11:32 AM EDT	River Flood Watch	PBZ	Allegheny, Washington, Westmoreland	11 hr
Oct 29, 11:32 AM EDT	River Flood Watch	PBZ	Indiana, Westmoreland	11 hr
Oct 29, 5:08 PM EDT	Winter Weather Advisory	PBZ	Fayette, Westmoreland	35 hr
Oct 29, 6:00 PM EDT	Areal Flood Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more	18 hr

Nearby

River Flood Advisories in Pennsylvania, 2012 Every river flood advisory in 2012

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.