Alert archive / Pennsylvania / River Flood Warnings in 2022

River Flood Warning 4, NWS Pittsburgh, PA

February 4, 2022Allegheny County, Washington County, Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this river flood warning at Feb 4, 2022, 5:20 PM EST for Allegheny County, Washington County, Westmoreland County, Pennsylvania. It took effect at Feb 4, 2022, 6:00 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Feb 4, 2022, 5:20 PM EST (22:20 UTC)
In effect from: Feb 4, 2022, 6:00 PM EST
Expired: Feb 5, 2022, 2:38 AM EST
In force: 9 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: Minor

Counties Allegheny County, PA, Washington County, PA, Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 36 km from the middle of the area, began a volume at 22:23 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 Elizabeth Lock and Dam (ELZP1). The gauge peaked at 20.16 ft at Feb 4, 2022, 10:00 PM EST.

Action stage: 16.5 ft
Minor stage: 20 ft
Moderate stage: 23 ft
Major stage: 26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03075070, 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 4, 4:10 PM EST, 1 hour 10 minutes earlier.

Area forecast discussion, Feb 4, 4:10 PM EST, 1 hour 10 minutes before

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Hazardous weather outlook, Feb 4, 10:51 AM EST, 6 hours 29 minutes before

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In the hours before

Local storm report, Feb 4, 11:21 AM EST, 5 hours 59 minutes before

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Local storm report, Feb 4, 1:14 PM EST, 4 hours 6 minutes before

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        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 4, 4:47 PM EST, 33 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <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 4, 5:13 PM EST, 7 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <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 4, 5:20 PM EST, 0 minutes before

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<body>
  <main class="wrap">
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      <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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  </main>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 4, 6:55 AM EST	Areal Flood Warning	PBZ	Allegheny, Armstrong, Fayette, Greene, Indiana, Washington and 1 more	12 hr
Feb 4, 10:59 AM EST	Areal Flood Advisory	PBZ	Beaver, Butler, Lawrence	23 hr
Feb 4, 5:20 PM EST	River Flood Warning	PBZ	Fayette, Washington, Westmoreland	8 hr
Feb 4, 9:58 AM EST	Areal Flood Warning	PBZ	Muskingum	4 days

Nearby

River Flood Warnings in Pennsylvania, 2022 Every 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.