A strong upper level system moved through the Midwest region and produced a squall line of thunderstorms across the Missouri Ozarks. This squall line of storms produced numerous reports of wind damage and a few weak tornadoes.

Lightning in TANEY, MISSOURI
From 17-MAY-15 00:45:00 to 17-MAY-15 00:45:00 (CST-6)
Location: BRANSON MEM ARPT
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

A lightning strike at the Table Rock Dam damaged two of the four hydro-power generating units. These two units remained offline for about 30 days until repaired.  Each turbine unit would normally generate 50,000 Mwh of electricity. Power generated at the hydro-dam was decreased by half of normal capacity. Time was estimated by radar.

Hail in MORGAN, MISSOURI
From 15-MAY-15 18:30:00 to 15-MAY-15 18:30:00 (CST-6)
Location: VERSAILLES
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

There was a public photo shared on social media of half dollar sized hail.

Tornado in LAWRENCE, MISSOURI
From 17-MAY-15 00:38:00 to 17-MAY-15 00:42:00 (CST-6)
Location: FRIESTATT
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey found an EF-1 tornado touched down about 3 miles northeast of Monett and lifted about 3 miles east of Freistatt. This tornado had a path length of about 4 miles and a width of 100 yards. Several outbuildings were completely destroyed. and one house had minor roof and siding damage. Numerous trees were uprooted or snapped along the path. The maximum winds estimated were up to 90 mph.

Tornado in POLK, MISSOURI
From 17-MAY-15 01:07:00 to 17-MAY-15 01:09:00 (CST-6)
Location: CLIQUOT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-0 rated tornado occurred east of Dunnegan. Multiple trees were damaged in the area with damage consistent with winds up to 80 mph. The tornado had a path length of just under two miles with a width of 100 to 200 yards.

Tornado in POLK, MISSOURI
From 17-MAY-15 01:11:00 to 17-MAY-15 01:14:00 (CST-6)
Location: RONDO
Tornado F-scale: EF0
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-0 tornado briefly touched down southeast of Flemington. The tornado touched down near South 85th Road and 330th Road. The tornado lifted near South 95th Road and Highway V. A couple outbuildings were destroyed. Numerous trees had severe tree damage with large branches broken and tree tops snapped. Several trees were uprooted. The path was approximately 2 miles long and 100 yards wide. Maximum winds were estimated up to 85 mph.

Thunderstorm Wind in POLK, MISSOURI
From 15-MAY-15 17:30:00 to 15-MAY-15 17:30:00 (CST-6)
Location: BOLIVAR
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: State Official

A large tree limb was blown down on to a powerline.

Thunderstorm Wind in VERNON, MISSOURI
From 16-MAY-15 23:15:00 to 16-MAY-15 23:15:00 (CST-6)
Location: NEVADA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was blown down in Nevada.

Thunderstorm Wind in BARRY, MISSOURI
From 17-MAY-15 00:35:00 to 17-MAY-15 00:35:00 (CST-6)
Location: MONETT
Magnitude: 52.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees blown down in Monett.  One tree damaged a boat. Another tree was on a house and an outbuilding.

Thunderstorm Wind in POLK, MISSOURI
From 17-MAY-15 01:16:00 to 17-MAY-15 01:16:00 (CST-6)
Location: HUMANSVILLE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees were blown down and an outbuilding destroyed north of Dunnegan.

Thunderstorm Wind in GREENE, MISSOURI
From 17-MAY-15 01:17:00 to 17-MAY-15 01:17:00 (CST-6)
Location: WILLARD
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several large trees were blown down around Willard. Trees were down at Highway Ab and Highway 112 and at Highway 101 and Highway 106. Several fences were damaged by fallen trees.

Thunderstorm Wind in NEWTON, MISSOURI
From 16-MAY-15 23:55:00 to 16-MAY-15 23:55:00 (CST-6)
Location: SENECA
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees were damaged or blown down along with several power lines in Seneca. Minor damage occurred to several homes because of fallen large tree branches and trees.

Thunderstorm Wind in JASPER, MISSOURI
From 17-MAY-15 00:29:00 to 17-MAY-15 00:29:00 (CST-6)
Location: SARCOXIE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several power lines were blown down east of Sarcoxie.

Thunderstorm Wind in GREENE, MISSOURI
From 17-MAY-15 01:04:00 to 17-MAY-15 01:04:00 (CST-6)
Location: REPUBLIC
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees were blown down and one power line down.

Thunderstorm Wind in POLK, MISSOURI
From 17-MAY-15 01:30:00 to 17-MAY-15 01:30:00 (CST-6)
Location: POLK
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several trees were down across a road.

Thunderstorm Wind in HICKORY, MISSOURI
From 17-MAY-15 01:20:00 to 17-MAY-15 01:20:00 (CST-6)
Location: POMME DE TERRE RES
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several large tree branches were blown down.

Thunderstorm Wind in NEWTON, MISSOURI
From 17-MAY-15 00:15:00 to 17-MAY-15 00:15:00 (CST-6)
Location: DIAMOND
Magnitude: 56.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Several large trees were snapped and uprooted around the town of Diamond.  A couple trees fell on houses and outbuildings which caused minor damage.

Thunderstorm Wind in LAWRENCE, MISSOURI
From 17-MAY-15 00:39:00 to 17-MAY-15 00:39:00 (CST-6)
Location: FRIESTATT
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several large trees were blown down in a nearby field.

Thunderstorm Wind in LAWRENCE, MISSOURI
From 17-MAY-15 00:39:00 to 17-MAY-15 00:39:00 (CST-6)
Location: FRIESTATT
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A hay shed was completely destroyed.

Thunderstorm Wind in LAWRENCE, MISSOURI
From 17-MAY-15 00:40:00 to 17-MAY-15 00:40:00 (CST-6)
Location: FRIESTATT
Magnitude: 56.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A 5th wheel camper was heavily damaged and moved 20 feet.  An outbuilding was destroyed at Farm Road 2180.

Thunderstorm Wind in CEDAR, MISSOURI
From 17-MAY-15 00:53:00 to 17-MAY-15 00:53:00 (CST-6)
Location: NEEDMORE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous large tree branches were broken at Stockton State Park.

Thunderstorm Wind in MCDONALD, MISSOURI
From 17-MAY-15 00:00:00 to 17-MAY-15 00:00:00 (CST-6)
Location: COY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire chief estimated wind gusts up to 60 mph.

Thunderstorm Wind in NEWTON, MISSOURI
From 17-MAY-15 00:11:00 to 17-MAY-15 00:11:00 (CST-6)
Location: NEOSHO
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A wind gusts of 55 knots was measured at Business Highway 49 and South Street.

Thunderstorm Wind in MCDONALD, MISSOURI
From 17-MAY-15 00:05:00 to 17-MAY-15 00:05:00 (CST-6)
Location: GOODMAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts up to 60 mph were estimated.

Thunderstorm Wind in LAWRENCE, MISSOURI
From 17-MAY-15 00:45:00 to 17-MAY-15 00:45:00 (CST-6)
Location: MT VERNON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio reported wind gusts estimated up to 60 mph on the north side of Mount Vernon.

Thunderstorm Wind in CAMDEN, MISSOURI
From 17-MAY-15 02:18:00 to 17-MAY-15 02:18:00 (CST-6)
Location: CAMDENTON
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A wind gust of 58 mph was measured.

Thunderstorm Wind in WRIGHT, MISSOURI
From 17-MAY-15 02:22:00 to 17-MAY-15 02:22:00 (CST-6)
Location: HARTVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree and several large tree branches were blown down in Hartville.

Thunderstorm Wind in PULASKI, MISSOURI
From 17-MAY-15 02:28:00 to 17-MAY-15 02:28:00 (CST-6)
Location: TURKEY RIDGE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was blown down across Highway 7 between Richland and Buckhorn.

Thunderstorm Wind in MILLER, MISSOURI
From 17-MAY-15 02:20:00 to 17-MAY-15 02:20:00 (CST-6)
Location: AURORA SPGS
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

There was minor damage to a greenhouse as well as a large tree limb on a fence.

Thunderstorm Wind in MARIES, MISSOURI
From 17-MAY-15 02:30:00 to 17-MAY-15 02:30:00 (CST-6)
Location: BRINKTOWN
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees were blown down and a barn had roof damage about a mile west of Highway 42 along Maries Road 215.

Thunderstorm Wind in WEBSTER, MISSOURI
From 17-MAY-15 01:44:00 to 17-MAY-15 01:44:00 (CST-6)
Location: MARSHFIELD BCKNR ARP
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Several trees were uprooted as well as minor structural damage to a home which included shingle damage and siding.

Thunderstorm Wind in GREENE, MISSOURI
From 17-MAY-15 01:06:00 to 17-MAY-15 01:06:00 (CST-6)
Location: SPRINGFIELD
Magnitude: 52.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree fell on to a car which caused severe damage to the car.  There were no injuries.

Tornado in DALLAS, MISSOURI
From 17-MAY-15 01:38:00 to 17-MAY-15 01:39:00 (CST-6)
Location: WOOD HILL
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey revealed that an EF-0 tornado briefly touched down in rural Dallas County. A detached garage was separated from the foundation and blown 5 feet to the west. A large sliding door from a shop was peeled off and thrown approximately 80 yards to the northeast.  Approximately 7 trees were snapped around the farm. Several shingles were peeled off a home.

Tornado in POLK, MISSOURI
From 17-MAY-15 01:10:00 to 17-MAY-15 01:22:00 (CST-6)
Location: CLIQUOT
Tornado F-scale: EF0
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-0 tornado touched down about east of the community of  Cliquot near East 380th Road and South 109th Road. The tornado lifted about 2 miles South of Pittsburg near Highway 64 and East 318th Road. Numerous large tree branches were broken and tree tops snapped. Severe trees were uprooted. Two houses had minor roof and siding damage. Several fences were damaged. The path length was approximately 10 miles and a path width of 100 yards. Maximum winds were estimated up to 85 mph.

Tornado in NEWTON, MISSOURI
From 16-MAY-15 23:53:00 to 17-MAY-15 00:01:00 (CST-6)
Location: SENECA
Tornado F-scale: EF0
Property damage: 200.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS Storm survey found an EF-1 tornado started in northeast Oklahoma and crossed into southwest Missouri near about 4 miles south of Seneca. The tornado lifted about 4 miles west of Neosho. Several outbuilding structures were completely destroyed. Numerous trees were uprooted. The path width was approximately 200 yards wide and the path length was approximately 10 miles long. Maximum winds were estimated at 90 mph.

Thunderstorm Wind in WRIGHT, MISSOURI
From 17-MAY-15 02:20:00 to 17-MAY-15 02:20:00 (CST-6)
Location: HARTVILLE
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A semi trailer was blown over along Highway 38.