Alert archive / Tennessee / Flash Flood Warnings in 2026

Flash Flood Warning 80, NWS Morristown, TN

September 23, 2026Anderson County, Knox County, Tennessee

NWS Morristown, TN issued this flash flood warning at Sep 23, 2026, 8:45 PM EDT for Anderson County, Knox County, Tennessee. It was in force for 2 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
Sep 23, 2026, 8:45 PM EDT (00:45 UTC)
Expired
Sep 23, 2026, 10:45 PM EDT
In force
2 hr
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Flood severity
None

Counties Anderson County, TN, Knox County, TN

The radar

The Knoxville radar (KMRX), 61 km from the middle of the area, began a volume at 00:49 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 office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 8:17 PM EDTSpecial Weather StatementMRXKnox43 min
Sep 23, 9:03 PM EDTFlash Flood WarningMRXKnox3 hr
Sep 23, 10:44 PM EDTAreal Flood AdvisoryMRXHancock2 hr
Sep 23, 10:59 PM EDTAreal Flood AdvisoryMRXGreene, Hawkins3 hr

Nearby

Flash Flood Warnings in Tennessee, 2026Every 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.