Alert archive / Pennsylvania / River Flood Warnings in 2018

River Flood Warning 41, NWS Pittsburgh, PA

April 16, 2018Fayette County, Greene County, Pennsylvania

NWS Pittsburgh, PA issued this river flood warning at Apr 16, 2018, 10:52 AM EDT for Fayette County, Greene County, Pennsylvania. It took effect at Apr 16, 2018, 3:36 PM EDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Apr 16, 2018, 10:52 AM EDT (14:52 UTC)
In effect from: Apr 16, 2018, 3:36 PM EDT
Expired: Apr 17, 2018, 8:32 AM EDT
In force: 17 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: Moderate

Counties Fayette County, PA, Greene County, PA

The radar

The Pittsburgh radar (KPBZ), 76 km from the middle of the area, began a volume at 14:56 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 Monongahela River at Point Marion Lock and Dam (lower pool) (PMRP1).

Action stage: 20 ft
Minor stage: 26 ft
Moderate stage: 27 ft
Major stage: 28 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03063000, 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 Apr 16, 10:07 AM EDT, 45 minutes earlier.

Area forecast discussion, Apr 16, 10:07 AM EDT, 45 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>
    </section>
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Hazardous weather outlook, Apr 16, 8:35 AM EDT, 2 hours 17 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>
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In the hours before

Local storm report, Apr 16, 7:18 AM EDT, 3 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
Apr 15, 9:36 PM EDT	River Flood Advisory	PBZ	Allegheny	5 days
Apr 15, 10:10 PM EDT	Areal Flood Warning	PBZ	Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland	18 hr
Apr 16, 10:52 AM EDT	River Flood Warning	PBZ	Fayette, Greene	19 hr
Apr 16, 10:52 AM EDT	River Flood Warning	PBZ	Fayette, Washington, Westmoreland	30 hr
Apr 16, 10:52 AM EDT	River Flood Warning	PBZ	Allegheny, Washington, Westmoreland	35 hr
Apr 16, 1:41 AM EDT	Areal Flood Warning	PBZ	Coshocton	15 hr
Apr 16, 12:56 PM EDT	Areal Flood Advisory	PBZ	Muskingum	4 hr
Apr 15, 10:29 PM EDT	Areal Flood Warning	PBZ	Marion, Monongalia, Preston, Tucker, Wetzel	18 hr
Apr 16, 10:52 AM EDT	River Flood Warning	PBZ	Preston	18 hr
Apr 16, 1:05 PM EDT	Areal Flood Advisory	PBZ	Tucker	7 hr

Nearby

River Flood Warnings in Pennsylvania, 2018 Every river flood warning in 2018

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.