Severe Severe Storm ● Closed

Severe Thunderstorm Warning issued September 18 at 7:03PM EDT until September 18 at 7:45PM EDT by NWS Morristown TN, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

SVRMRX

The National Weather Service in Morristown has issued a

* Severe Thunderstorm Warning for...
Jefferson County in east Tennessee...
South central Grainger County in east Tennessee...
Southwestern Hamblen County in east Tennessee...

* Until 745 PM EDT.

* At 703 PM EDT, a severe thunderstorm was located over Jefferson
City, moving southeast at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include...
Morristown, Jefferson City, Dandridge, White Pine, New Market,
Baneberry, Alpha, Piedmont, and Panther Creek State Park.

This includes the following highways...
Interstate 40 in Tennessee between mile markers 410 and 428.
Interstate 81 in Tennessee between mile markers 1 and 5.

Measurements

Coordinates36.0411, -83.4344
RegionGrainger, TN; Hamblen, TN; Jefferson, TN
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyImmediate
Cap CertaintyObserved
Cap Expires2026-09-18T19:45:00-04:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

Also reported by: NWS NWS NWS NWS NWS

This event as JSON · API and licence

Source updated 31 days ago (Sep 18, 2026 23:04 UTC) · we last heard from WMO Alert Hub (national weather services) 1 minute ago

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