Alert archive / Pennsylvania / River Flood Warnings in 2022

River Flood Warning 13, NWS Pittsburgh, PA

February 18, 2022Allegheny County, Pennsylvania

NWS Pittsburgh, PA issued this river flood warning at Feb 18, 2022, 10:20 AM EST for Allegheny County, Pennsylvania. It took effect at Feb 18, 2022, 5:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2022, 10:20 AM EST (15:20 UTC)
In effect from
Feb 18, 2022, 5:00 PM EST
Expired
Feb 19, 2022, 3:57 AM EST
In force
11 hr
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Flood severity
Minor

County Allegheny County, PA

The radar

The Pittsburgh radar (KPBZ), 21 km from the middle of the area, began a volume at 15:24 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 Allegheny River at C.W. Bill Young Lock and Dam (ACMP1).

Action stage
15 ft
Minor stage
17 ft
Moderate stage
20 ft
Major stage
23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03049640, 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 Feb 18, 7:07 AM EST, 3 hours 13 minutes earlier.

Area forecast discussion, Feb 18, 7:07 AM EST, 3 hours 13 minutes before
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Hazardous weather outlook, Feb 18, 4:28 AM EST, 5 hours 52 minutes before
Hazardous Weather Outlook
National Weather Service Pittsburgh PA
428 AM EST Fri Feb 18 2022

OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-029-
031-073>076-WVZ001>004-012-021-509>514-190930-
Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH-
Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest-
Lawrence-Butler-Clarion-Jefferson PA-Beaver-Allegheny-Armstrong-
Indiana-Washington-Greene-Westmoreland-
Higher Elevations of Westmoreland-Fayette-
Higher Elevations of Fayette-Hancock-Brooke-Ohio-Marshall-Wetzel-
Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
428 AM EST Fri Feb 18 2022

This Hazardous Weather Outlook is for east central Ohio, western
Pennsylvania, and northern West Virginia.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

In the hours before

Local storm report, Feb 18, 7:03 AM EST, 3 hours 17 minutes before
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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.
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Local storm report, Feb 18, 8:47 AM EST, 1 hour 33 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.
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  <script src="index.js"></script>
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 7:30 PM ESTAreal Flood WarningPBZBeaver, Butler6 hr
Feb 17, 8:06 PM ESTAreal Flood AdvisoryPBZLawrence44 min
Feb 17, 8:32 PM ESTAreal Flood WarningPBZBeaver, Butler, Lawrence12 hr
Feb 17, 8:50 PM ESTAreal Flood WarningPBZLawrence4 hr
Feb 17, 8:54 PM ESTAreal Flood AdvisoryPBZAllegheny2 hr
Feb 18, 1:00 AM ESTAreal Flood AdvisoryPBZBeaver, Butler13 hr
Feb 18, 1:02 AM ESTAreal Flood AdvisoryPBZLawrence9 hr
Feb 18, 2:26 AM ESTAreal Flood AdvisoryPBZArmstrong, Clarion6 hr
Feb 18, 10:05 AM ESTAreal Flood WarningPBZBeaver, Butler18 hr
Feb 18, 10:20 AM ESTRiver Flood WarningPBZArmstrong14 hr
Feb 18, 10:20 AM ESTRiver Flood WarningPBZArmstrong27 hr
Feb 18, 10:20 AM ESTRiver Flood WarningPBZAllegheny, Westmoreland33 hr
Feb 17, 7:53 PM ESTRiver Flood WarningPBZTuscarawas9 hr
Feb 18, 10:44 AM ESTAreal Flood WarningPBZNoble19 hr
Feb 18, 11:02 AM ESTRiver Flood WarningPBZGuernsey66 hr
Feb 18, 6:57 PM ESTWind AdvisoryPBZTucker23 hr

Nearby

River Flood Warnings in Pennsylvania, 2022Every river flood warning in 2022

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.