Alert archive / Tennessee / Flash Flood Warnings in 2026

Flash Flood Warning 48, NWS Morristown, TN

July 22, 2026Anderson County, Campbell County, Union County, Tennessee

NWS Morristown, TN issued this flash flood warning at Jul 22, 2026, 10:10 AM EDT for Anderson County, Campbell County, Union County, Tennessee. 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 22, 2026, 10:10 AM EDT (14:10 UTC)
Expired: Jul 22, 2026, 12:46 PM EDT
In force: 3 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: None

Counties Anderson County, TN, Campbell County, TN, Union County, TN

The radar

The Knoxville radar (KMRX), 60 km from the middle of the area, began a volume at 14:14 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 22, 7:19 AM EDT, 2 hours 51 minutes earlier.

Area forecast discussion, Jul 22, 7:19 AM EDT, 2 hours 51 minutes before

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Hazardous weather outlook, Jul 22, 2:39 AM EDT, 7 hours 31 minutes before

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In the hours before

Local storm report, Jul 22, 9:28 AM EDT, 42 minutes before

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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 22, 5:56 AM EDT	Areal Flood Advisory	MRX	Anderson, Campbell, Grainger, Union	3 hr
Jul 22, 8:55 AM EDT	Areal Flood Advisory	MRX	Claiborne, Grainger, Greene, Hamblen, Hawkins	3 hr
Jul 22, 9:09 AM EDT	Flash Flood Warning	MRX	Claiborne, Grainger, Greene, Hamblen, Hawkins, Union	4 hr
Jul 22, 9:16 AM EDT	Areal Flood Advisory	MRX	Anderson, Campbell, Morgan, Scott, Union	3 hr
Jul 22, 10:19 AM EDT	Areal Flood Advisory	MRX	Carter, Greene, Hawkins, Sullivan, Washington	4 hr
Jul 22, 11:08 AM EDT	Areal Flood Advisory	MRX	Anderson, Morgan, Roane	5 hr
Jul 22, 12:07 PM EDT	Areal Flood Advisory	MRX	Anderson, Grainger, Jefferson, Knox, Union	3 hr
Jul 22, 12:46 PM EDT	Areal Flood Advisory	MRX	Anderson, Campbell, Knox, Union	119 min
Jul 22, 1:13 PM EDT	Areal Flood Advisory	MRX	Anderson, Morgan, Roane	3 hr
Jul 22, 1:29 PM EDT	Areal Flood Advisory	MRX	Claiborne, Grainger, Greene, Hamblen, Hancock, Hawkins and 1 more	3 hr
Jul 22, 5:12 PM EDT	Areal Flood Advisory	MRX	Morgan, Roane	2 hr
Jul 22, 5:37 PM EDT	Areal Flood Advisory	MRX	Anderson, Blount, Knox, Loudon, Roane	3 hr

Nearby

Flash Flood Warnings in Tennessee, 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.