Alert archive / Pennsylvania / Flash Flood Warnings in 2022

Flash Flood Warning 25, NWS Pittsburgh, PA

September 4, 2022Lawrence County, Mercer County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Sep 4, 2022, 6:37 PM EDT for Lawrence County, Mercer County, Pennsylvania. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 4, 2022, 6:37 PM EDT (22:37 UTC)
Expired: Sep 4, 2022, 8:43 PM EDT
In force: 2 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: None

Counties Lawrence County, PA, Mercer County, PA

The radar

The Pittsburgh radar (KPBZ), 69 km from the middle of the area, began a volume at 22:40 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.

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Sep 4, 4:07 PM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Sep 4, 4:07 PM EDT, 2 hours 30 minutes before

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Hazardous weather outlook, Sep 4, 3:55 AM EDT, 14 hours 42 minutes before

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In the hours before

Special weather statement, Sep 4, 4:36 PM EDT, 2 hours 1 minute before

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Special weather statement, Sep 4, 6:17 PM EDT, 20 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 4, 6:17 PM EDT	Special Weather Statement	PBZ	Lawrence	28 min
Sep 4, 4:36 PM EDT	Special Weather Statement	PBZ	Columbiana	24 min

Nearby

Flash Flood Warnings in Pennsylvania, 2022 Every flash 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.