Alert archive / Pennsylvania / River Flood Warnings in 2024

River Flood Warning 23, NWS State College, PA

April 4, 2024Lycoming County, Northumberland County, Union County, Pennsylvania

NWS State College, PA issued this river flood warning at Apr 4, 2024, 3:06 PM EDT for Lycoming County, Northumberland County, Union County, Pennsylvania. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Apr 4, 2024, 3:06 PM EDT (19:06 UTC)
Expired: Apr 4, 2024, 11:24 PM EDT
In force: 8 hr
Issued by: NWS State College, PA
Area: Storm-based polygon
Flood severity: Minor

Counties Lycoming County, PA, Northumberland County, PA, Union County, PA

The radar

The State College radar (KCCX), 90 km from the middle of the area, began a volume at 19:10 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 West Branch Susquehanna River at Allenwood (ALWP1). The gauge peaked at 24.10 ft at Apr 4, 2024, 8:00 PM EDT.

Action stage: 20 ft
Minor stage: 24 ft
Moderate stage: 26 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01553025, 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 Apr 4, 12:50 PM EDT, 2 hours 16 minutes earlier.

Area forecast discussion, Apr 4, 12:50 PM EDT, 2 hours 16 minutes before

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Hazardous weather outlook, Apr 4, 12:24 PM EDT, 2 hours 42 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
Apr 3, 9:02 PM EDT	River Flood Warning	CTP	Dauphin, Lebanon	21 hr
Apr 3, 9:02 PM EDT	River Flood Warning	CTP	Dauphin	63 hr
Apr 4, 3:19 PM EDT	Special Weather Statement	CTP	Centre	26 min
Apr 4, 3:26 PM EDT	Special Weather Statement	CTP	Huntingdon	34 min
Apr 4, 4:19 PM EDT	River Flood Warning	CTP	Lycoming	5 hr
Apr 4, 4:42 PM EDT	Special Weather Statement	CTP	Dauphin	33 min
Apr 4, 5:27 PM EDT	Special Weather Statement	CTP	York	33 min
Apr 4, 5:59 PM EDT	Special Weather Statement	CTP	Lancaster	31 min
Apr 4, 6:00 PM EDT	Special Weather Statement	CTP	Lancaster	30 min
Apr 4, 6:04 PM EDT	Special Weather Statement	CTP	Centre	26 min

Nearby

River Flood Warnings in Pennsylvania, 2024 Every river flood warning in 2024

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.