Alert archive / Tennessee / River Flood Warnings in 2020

River Flood Warning 41, NWS Morristown, TN

May 20, 2020Cocke County, Tennessee

NWS Morristown, TN issued this river flood warning at May 20, 2020, 10:14 AM EDT for Cocke County, Tennessee. It took effect at May 21, 2020, 12:50 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: May 20, 2020, 10:14 AM EDT (14:14 UTC)
In effect from: May 21, 2020, 12:50 AM EDT
Expired: May 21, 2020, 4:44 PM EDT
In force: 16 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: Minor

County Cocke County, TN

The radar

The Knoxville radar (KMRX), 37 km from the middle of the area, began a volume at 14:17 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 Pigeon River at Newport (NEPT1).

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03461500, 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 Morristown, TN wrote its last area forecast discussion before this river flood warning went out at May 19, 7:24 PM EDT, 14 hours 50 minutes earlier.

Area forecast discussion, May 19, 7:24 PM EDT, 14 hours 50 minutes before

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Hazardous weather outlook, May 19, 3:22 PM EDT, 18 hours 52 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 10:14 AM EDT	River Flood Warning	MRX	Cocke, Jefferson	47 hr
May 20, 3:46 PM EDT	Flash Flood Watch	MRX	Carter, Johnson, Unicoi	11 hr

Nearby

River Flood Warnings in Tennessee, 2020 Every river flood warning in 2020

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.