Alert archive / Pennsylvania / River Flood Warnings in 2022

River Flood Warning 4, NWS State College, PA

February 4, 2022Dauphin County, Pennsylvania

NWS State College, PA issued this river flood warning at Feb 4, 2022, 6:56 PM EST for Dauphin County, Pennsylvania. It took effect at Feb 4, 2022, 7:14 PM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Feb 4, 2022, 6:56 PM EST (23:56 UTC)
In effect from: Feb 4, 2022, 7:14 PM EST
Expired: Feb 5, 2022, 2:34 AM EST
In force: 7 hr
Issued by: NWS State College, PA
Area: Storm-based polygon
Flood severity: Minor

County Dauphin County, PA

The radar

The State College radar (KCCX), 118 km from the middle of the area, began a volume at 23:54 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 Swatara Creek at Middletown (MTLP1).

Action stage: 10 ft
Minor stage: 11 ft
Moderate stage: 15 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01573600, 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 State College, PA wrote its last area forecast discussion before this river flood warning went out at Feb 4, 3:22 PM EST, 3 hours 34 minutes earlier.

Area forecast discussion, Feb 4, 3:22 PM EST, 3 hours 34 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        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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Hazardous weather outlook, Feb 4, 3:00 PM EST, 3 hours 56 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>
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In the hours before

Local storm report, Feb 4, 2:25 PM EST, 4 hours 31 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 State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 3, 9:27 PM EST	Areal Flood Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 13 more	3 hr
Feb 4, 12:28 AM EST	River Flood Warning	CTP	Lebanon, Schuylkill	22 hr
Feb 4, 12:34 AM EST	Areal Flood Advisory	CTP	Bedford, Blair, Centre, Clinton, Columbia, Fulton and 9 more	8 hr
Feb 4, 12:39 AM EST	Areal Flood Advisory	CTP	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more	8 hr
Feb 4, 8:00 AM EST	River Flood Warning	CTP	Huntingdon	11 hr
Feb 4, 11:03 AM EST	Winter Weather Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 14 more	117 min
Feb 4, 5:05 PM EST	River Flood Warning	CTP	Dauphin, Lebanon	9 hr

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.