Alert archive / Tennessee / Flash Flood Warnings in 2025

Flash Flood Warning 46, NWS Morristown, TN

July 21, 20255 counties in Tennessee

NWS Morristown, TN issued this flash flood warning at Jul 21, 2025, 4:50 PM EDT for 5 counties in Tennessee. It was in force for 74 min. 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 21, 2025, 4:50 PM EDT (20:50 UTC)
Expired: Jul 21, 2025, 6:04 PM EDT
In force: 74 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: None

Counties Anderson County, TN, Blount County, TN, Knox County, TN, Loudon County, TN, Roane County, TN

The radar

The Knoxville radar (KMRX), 77 km from the middle of the area, began a volume at 20:53 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 21, 1:56 PM EDT, 2 hours 54 minutes earlier.

Area forecast discussion, Jul 21, 1:56 PM EDT, 2 hours 54 minutes before

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Hazardous weather outlook, Jul 21, 1:58 PM EDT, 2 hours 52 minutes before

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In the hours before

Special weather statement, Jul 21, 1:46 PM EDT, 3 hours 4 minutes before

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Special weather statement, Jul 21, 3:50 PM EDT, 1 hour 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.
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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 21, 1:14 PM EDT	Areal Flood Advisory	MRX	Johnson, Sullivan	5 hr
Jul 21, 1:46 PM EDT	Special Weather Statement	MRX	Bradley	44 min
Jul 21, 3:50 PM EDT	Special Weather Statement	MRX	McMinn	40 min
Jul 21, 4:51 PM EDT	Special Weather Statement	MRX	Anderson	39 min
Jul 21, 5:17 PM EDT	Special Weather Statement	MRX	Knox	43 min
Jul 21, 5:20 PM EDT	Special Weather Statement	MRX	Blount	40 min
Jul 21, 5:52 PM EDT	Areal Flood Advisory	MRX	Blount, Loudon, Sevier	3 hr
Jul 21, 6:04 PM EDT	Areal Flood Advisory	MRX	Anderson, Blount, Knox, Loudon, Roane	116 min
Jul 21, 6:04 PM EDT	Areal Flood Advisory	MRX	Anderson, Blount, Knox, Sevier	3 hr
Jul 20, 8:43 PM EDT	Flash Flood Warning	MRX	Washington	4 hr
Jul 20, 9:10 PM EDT	Flood Watch	MRX	Lee, Russell, Scott, Washington, Wise, City of Bristol and 1 more	25 hr
Jul 21, 12:48 PM EDT	Areal Flood Advisory	MRX	Washington	5 hr
Jul 21, 7:01 PM EDT	Areal Flood Advisory	MRX	Russell	3 hr

Nearby

Flash Flood Warnings in Tennessee, 2025 Every flash flood warning in 2025

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.