Thunderstorms developed ahead of an upper level system and surface cold front during the evening hours. Several of these storms produced large hail and wind damage. Funnel clouds were reported as a discrete supercell thunderstorm developed over Southeast Tennessee and moved into Southwest North Carolina. As this supercell moved into Monroe County, Tennessee, a weak tornado developed downing several trees and producing minor structural damage.

Funnel Cloud in MCMINN, TENNESSEE
From 17-MAR-18 18:38:00 to 17-MAR-18 18:38:00 (EST-5)
Location: CLAXTON
Reported by: Public

A funnel cloud formed at County Road 750 and moved east toward Etowah.

Funnel Cloud in MCMINN, TENNESSEE
From 17-MAR-18 18:40:00 to 17-MAR-18 18:40:00 (EST-5)
Location: EAST ETOWAH
Reported by: Trained Spotter

A funnel cloud was reported in the eastern part of Etowah.

Funnel Cloud in BLOUNT, TENNESSEE
From 17-MAR-18 18:47:00 to 17-MAR-18 18:47:00 (EST-5)
Location: EAGLETON VLG
Reported by: Trained Spotter

A funnel cloud was reported at Eagleton Village.

Hail in BLEDSOE, TENNESSEE
From 17-MAR-18 16:25:00 to 17-MAR-18 16:25:00 (CST-6)
Location: PIKEVILLE
Magnitude: 1.25 
Reported by: Law Enforcement

Quarter to half dollar size hail was reported just south of Pikeville.

Hail in SEQUATCHIE, TENNESSEE
From 17-MAR-18 16:55:00 to 17-MAR-18 16:55:00 (CST-6)
Location: DUNLAP
Magnitude: 1.25 
Reported by: Trained Spotter

Quarter to half dollar size hail was reported northwest of Dunlap.

Hail in MEIGS, TENNESSEE
From 17-MAR-18 18:05:00 to 17-MAR-18 18:05:00 (EST-5)
Location: UNION GROVE
Magnitude: 1.75 
Reported by: Public

Golf ball size hail was reported two miles south of Decatur.

Hail in LOUDON, TENNESSEE
From 17-MAR-18 18:15:00 to 17-MAR-18 18:15:00 (EST-5)
Location: HIGHLAND PARK
Magnitude: 1.00 
Reported by: State Official

Quarter size hail was reported near Lenoir City.

Hail in MEIGS, TENNESSEE
From 17-MAR-18 18:35:00 to 17-MAR-18 18:35:00 (EST-5)
Location: EAST VIEW
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter size hail was reported two miles southeast of Birchwood at 787 Riley Lane.

Hail in MONROE, TENNESSEE
From 17-MAR-18 18:35:00 to 17-MAR-18 18:35:00 (EST-5)
Location: STAKELY MILL
Magnitude: 1.50 
Reported by: Trained Spotter

Ping pong size hail was reported three miles north of Mount Vernon.

Hail in HANCOCK, TENNESSEE
From 17-MAR-18 18:45:00 to 17-MAR-18 18:45:00 (EST-5)
Location: SNEEDVILLE
Magnitude: 1.00 
Reported by: Public

Quarter size hail was reported at Sneedville.

Hail in BRADLEY, TENNESSEE
From 17-MAR-18 18:48:00 to 17-MAR-18 18:48:00 (EST-5)
Location: JULIAN CHAPEL
Magnitude: 1.75 
Reported by: Trained Spotter

Golf ball size hail was reported two miles north of Tasso.

Hail in HANCOCK, TENNESSEE
From 17-MAR-18 18:30:00 to 17-MAR-18 18:30:00 (EST-5)
Location: SNEEDVILLE
Magnitude: 1.25 
Reported by: Public

Half dollar size hail was reported two miles east northeast of Evanston at 170 Mill Dam Road.

Hail in MCMINN, TENNESSEE
From 17-MAR-18 18:30:00 to 17-MAR-18 18:30:00 (EST-5)
Location: ATHENS
Magnitude: 1.00 
Reported by: Public

Quarter size hail was reported at Athens.

Hail in HAWKINS, TENNESSEE
From 17-MAR-18 19:01:00 to 17-MAR-18 19:01:00 (EST-5)
Location: STRIGGERSVILLE
Magnitude: 1.00 
Reported by: Public

Quarter size hail was reported three miles north northeast of Rogersville at 119 Devils Nose Road.

Hail in POLK, TENNESSEE
From 17-MAR-18 19:20:00 to 17-MAR-18 19:20:00 (EST-5)
Location: BENTON
Magnitude: 1.75 
Reported by: State Official

Several reports of golf ball size hail was reported across the county.

Hail in SULLIVAN, TENNESSEE
From 17-MAR-18 19:24:00 to 17-MAR-18 19:24:00 (EST-5)
Location: ROCK SPGS
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter size hail was reported at the I-26 welcome center.

Hail in HAWKINS, TENNESSEE
From 17-MAR-18 19:25:00 to 17-MAR-18 19:25:00 (EST-5)
Location: MOORESBURG
Magnitude: 1.25 
Reported by: Trained Spotter

Half dollar size hail was reported near Mooresburg.

Hail in BLOUNT, TENNESSEE
From 17-MAR-18 19:00:00 to 17-MAR-18 19:00:00 (EST-5)
Location: ALCOA
Magnitude: 1.00 
Reported by: State Official

Quarter size hail was reported near Alcoa.

Hail in HAWKINS, TENNESSEE
From 17-MAR-18 19:00:00 to 17-MAR-18 19:00:00 (EST-5)
Location: ALUMWELL
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter size hail was reported six miles south southeast of Kyles Ford.

Hail in SEVIER, TENNESSEE
From 17-MAR-18 20:30:00 to 17-MAR-18 20:30:00 (EST-5)
Location: PIGEON FORGE
Magnitude: 1.00 
Reported by: Public

Quarter size hail was reported two miles east of Pigeon Forge.

Thunderstorm Wind in HAWKINS, TENNESSEE
From 17-MAR-18 20:35:00 to 17-MAR-18 20:35:00 (EST-5)
Location: CHURCH HILL
Magnitude: 50.00 EG
Reported by: State Official

Several trees and power lines were reported down between Church Hill and Surgoinsville.

Thunderstorm Wind in HAMBLEN, TENNESSEE
From 17-MAR-18 21:00:00 to 17-MAR-18 21:00:00 (EST-5)
Location: RUSSELLVILLE
Magnitude: 50.00 EG
Reported by: State Official

A few trees were reported down between Russellville and Whitesburg.

Thunderstorm Wind in WASHINGTON, TENNESSEE
From 17-MAR-18 21:10:00 to 17-MAR-18 21:10:00 (EST-5)
Location: GRAY
Magnitude: 50.00 EG
Reported by: Trained Spotter

A few trees were reported down near Gray.

Hail in UNICOI, TENNESSEE
From 17-MAR-18 20:03:00 to 17-MAR-18 20:03:00 (EST-5)
Location: LIMESTONE COVE
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter size hail was reported at Limestone Cove.

Hail in GREENE, TENNESSEE
From 17-MAR-18 20:05:00 to 17-MAR-18 20:05:00 (EST-5)
Location: BAILEYTON
Magnitude: 1.25 
Reported by: Trained Spotter

Half dollar size hail fell and a few trees were reported down near Baileyton.

Thunderstorm Wind in WASHINGTON, TENNESSEE
From 17-MAR-18 20:15:00 to 17-MAR-18 20:15:00 (EST-5)
Location: CARNEGIE
Magnitude: 52.00 EG
Reported by: Public

Wind gust was estimated at 60 mph  three miles east southeast of Johnson City at King Springs and Dave Buck Roads.

Tornado in MONROE, TENNESSEE
From 17-MAR-18 18:49:00 to 17-MAR-18 18:56:00 (EST-5)
Location: COKER CREEK
Tornado F-scale: EF0
Reported by: NWS Storm Survey

The tornado developed as it moved eastward off of a ridge and down into the Hooper Branch Creek valley along Pond Ridge Road. Many trees were uprooted in this area. It continued eastward over a ridge where it damaged fences and destroyed a small barn. As the tornado approached and crossed Highway 68, additional trees were uprooted with some roof damage to a few structures. Before the tornado dissipated, it shifted a double wide on its foundation, broke several windows, and uprooted additional hardwood trees.

Tornado in MCMINN, TENNESSEE
From 17-MAR-18 18:23:00 to 17-MAR-18 18:24:00 (EST-5)
Location: ATHENS ARPT
Tornado F-scale: EF0
Reported by: NWS Storm Survey

The tornado probably started somewhere on the eastern side of the Ridgewood Golf Club and tracked eastward. It went through a patch of trees where many softwoods were uprooted or snapped in the upper part of the trunk. The tornado exited the trees and dissipated a short distance over a field where only a couple of trees were damaged.