Alert archive / Pennsylvania / River Flood Advisories in 2017

River Flood Advisory 7, NWS Pittsburgh, PA

June 24, 2017Allegheny County, Pennsylvania

NWS Pittsburgh, PA issued this river flood advisory at Jun 24, 2017, 4:52 AM EDT for Allegheny County, Pennsylvania. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Jun 24, 2017, 4:52 AM EDT (08:52 UTC)
Expired: Jun 25, 2017, 4:45 PM EDT
In force: 36 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

County Allegheny County, PA

The radar

The Pittsburgh radar (KPBZ), 21 km from the middle of the area, began a volume at 08:53 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). The gauge peaked at 17.45 ft at Jun 24, 2017, 9:00 PM EDT.

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 Jun 24, 3:21 AM EDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jun 24, 3:21 AM EDT, 1 hour 31 minutes before

<!doctype html>
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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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  <script src="index.js"></script>
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Hazardous weather outlook, Jun 24, 2:08 AM EDT, 2 hours 44 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>

In the hours before

Local storm report, Jun 23, 11:00 PM EDT, 5 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PITTSBURGH PA
1100 PM EDT FRI JUN 23 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0321 PM     TORNADO          1 ESE LONG PINE         40.11N  80.16W
06/23/2017                   WASHINGTON         PA   NWS STORM SURVEY

            FULL DETAILS PROVIDED IN PUBLIC INFORMATION STATEMENT.
            LOCATION DETAILS AND TIME ADJUSTED HERE TO REFLECT STORM
            SURVEY RESULTS.

&&

CORRECTED EVENT TIME...LOCATION...REMARKS

EVENT NUMBER PBZ1701720

KRAMAR

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 8:55 PM EDT	Flash Flood Warning	PBZ	Fayette, Greene	4 hr
Jun 24, 12:22 AM EDT	Areal Flood Warning	PBZ	Fayette, Greene, Westmoreland	9 hr
Jun 23, 10:40 PM EDT	Areal Flood Warning	PBZ	Belmont	6 hr
Jun 23, 8:40 PM EDT	Special Weather Statement	PBZ	Preston	35 min
Jun 23, 8:56 PM EDT	Severe Thunderstorm Warning	PBZ	Preston	64 min

Nearby

River Flood Advisories in Pennsylvania, 2017 Every river flood advisory in 2017

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.