Alert archive / Tennessee / Flash Flood Warnings in 2026

Flash Flood Warning 38, NWS Morristown, TN

July 12, 2026Polk County, Tennessee; Cherokee County, North Carolina

NWS Morristown, TN issued this flash flood warning at Jul 12, 2026, 3:10 AM EDT for Polk County, Tennessee; Cherokee County, North Carolina. It was in force for 3 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: Jul 12, 2026, 3:10 AM EDT (07:10 UTC)
Expired: Jul 12, 2026, 6:15 AM EDT
In force: 3 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: None

Counties Cherokee County, NC, Polk County, TN

The radar

The Knoxville radar (KMRX), 141 km from the middle of the area, began a volume at 07:13 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 Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Jul 11, 7:55 PM EDT, 7 hours 15 minutes earlier.

Area forecast discussion, Jul 11, 7:55 PM EDT, 7 hours 15 minutes before

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Hazardous weather outlook, Jul 11, 3:30 PM EDT, 11 hours 40 minutes before

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<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.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 12:00 AM EDT	Flash Flood Warning	MRX	Anderson, Grainger, Hamblen, Jefferson, Knox, Union	3 hr
Jul 12, 12:02 AM EDT	Special Weather Statement	MRX	Hamblen	43 min
Jul 12, 12:52 AM EDT	Special Weather Statement	MRX	Unicoi	53 min
Jul 12, 1:07 AM EDT	Areal Flood Advisory	MRX	Cocke, Greene, Hamblen, Jefferson	3 hr
Jul 12, 6:09 AM EDT	Areal Flood Advisory	MRX	Claiborne, Hancock	3 hr
Jul 12, 6:38 AM EDT	Flash Flood Warning	MRX	Hancock	3 hr
Jul 12, 1:04 PM EDT	Areal Flood Advisory	MRX	Greene, Hancock, Hawkins, Sullivan, Washington	3 hr
Jul 12, 2:16 PM EDT	Areal Flood Advisory	MRX	Greene, Hamblen, Hawkins	3 hr
Jul 12, 6:01 PM EDT	Areal Flood Advisory	MRX	Meigs, Rhea	119 min
Jul 12, 7:12 PM EDT	Areal Flood Advisory	MRX	Campbell, Scott	3 hr
Jul 12, 7:53 PM EDT	Areal Flood Advisory	MRX	Blount, Knox	84 min

Nearby

Flash Flood Warnings in Tennessee, 2026 Flash Flood Warnings in North Carolina, 2026 Every flash flood warning in 2026

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.