Alert archive / Pennsylvania / River Flood Warnings in 2008

River Flood Warning 20, NWS Pittsburgh, PA

December 19, 2008Indiana County, Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this river flood warning at Dec 19, 2008, 8:37 PM EST for Indiana County, Westmoreland County, Pennsylvania. It took effect at Dec 19, 2008, 10:18 PM EST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Dec 19, 2008, 8:37 PM EST (01:37 UTC)
In effect from: Dec 19, 2008, 10:18 PM EST
Expired: Dec 20, 2008, 3:45 AM EST
In force: 5 hr
Issued by: NWS Pittsburgh, PA
Flood severity: Moderate

Counties Indiana County, PA, Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 80 km from the middle of the area, began a volume at 01:36 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 Conemaugh River at Seward (SWDP1). The gauge peaked at 12.75 ft at Dec 19, 2008, 10:00 PM EST.

Action stage: 8.8 ft
Minor stage: 12 ft
Moderate stage: 14 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03041500, 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 Pittsburgh, PA wrote its last area forecast discussion before this river flood warning went out at Dec 19, 7:13 PM EST, 1 hour 24 minutes earlier.

Area forecast discussion, Dec 19, 7:13 PM EST, 1 hour 24 minutes before

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<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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  <script src="index.js"></script>
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Hazardous weather outlook, Dec 19, 5:13 PM EST, 3 hours 24 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
Dec 19, 9:15 PM EST	River Flood Advisory	PBZ	Allegheny	35 hr
Dec 19, 11:47 PM EST	Areal Flood Warning	PBZ	Fayette, Indiana, Westmoreland	10 hr
Dec 20, 12:05 AM EST	River Flood Warning	PBZ	Fayette	4 hr
Dec 20, 3:11 PM EST	Winter Weather Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more	18 hr

Nearby

River Flood Warnings in Pennsylvania, 2008 Every river flood warning in 2008

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.