A line of thunderstorms, known as a quasi-linear convective system (QLCS), formed ahead of a cold front and produced widespread winds of 50 to 70 mph and tornadoes as it passed through central and east-central Wisconsin. Ten tornadoes formed during the afternoon. One was associated with an isolated storm ahead of the main line. Five of the tornadoes were rated EF0 and the other five were EF1.
This was the biggest outbreak of tornadoes in the National Weather Service Green Bay service area of northeast and north-central Wisconsin, tying the April 10, 2011, event.

Thunderstorm Wind in MANITOWOC, WISCONSIN
From 14-JUN-17 15:15:00 to 14-JUN-17 15:15:00 (CST-6)
Location: MANITOWOC
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed several trees in Manitowoc.

Thunderstorm Wind in WAUSHARA, WISCONSIN
From 14-JUN-17 13:38:00 to 14-JUN-17 13:38:00 (CST-6)
Location: WAUTOMA ARPT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorms produced a wind gust to 59 mph at Wautoma Municipal Airport.

Thunderstorm Wind in DOOR, WISCONSIN
From 14-JUN-17 16:00:00 to 14-JUN-17 16:00:00 (CST-6)
Location: STURGEON BAY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused widespread tree damage across Door County.

Thunderstorm Wind in WAUSHARA, WISCONSIN
From 14-JUN-17 13:50:00 to 14-JUN-17 13:50:00 (CST-6)
Location: WILD ROSE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm produced a wind gust to 65 mph in Wild Rose.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 14-JUN-17 14:09:00 to 14-JUN-17 14:09:00 (CST-6)
Location: SCANDINAVIA
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm wind gust to 60 mph was measured in Scandinavia.

Thunderstorm Wind in CALUMET, WISCONSIN
From 14-JUN-17 14:32:00 to 14-JUN-17 14:32:00 (CST-6)
Location: DARBOY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced an estimated 65 mph wind gust south of Appleton.

Thunderstorm Wind in BROWN, WISCONSIN
From 14-JUN-17 15:09:00 to 14-JUN-17 15:09:00 (CST-6)
Location: PULASKI
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm produced a wind gust to 64 mph in Pulaski.

Tornado in OUTAGAMIE, WISCONSIN
From 14-JUN-17 14:30:00 to 14-JUN-17 14:34:00 (CST-6)
Location: MACKVILLE
Tornado F-scale: EF0
Property damage: 2.50K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A weak tornado caused minor house damage (DI 2, DOD 2) and ripped small limbs off trees (DI 27, DOD 1 and 2).

Tornado in BROWN, WISCONSIN
From 14-JUN-17 14:53:00 to 14-JUN-17 14:55:00 (CST-6)
Location: MORRISON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A weak tornado caused minor tree damage (DI 27, DOD 1 and 2).

Tornado in OUTAGAMIE, WISCONSIN
From 14-JUN-17 14:29:00 to 14-JUN-17 14:37:00 (CST-6)
Location: DARBOY
Tornado F-scale: EF1
Property damage: 250.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado moved out of far northeast Winnebago County (1.8 miles south of Appleton) and entered Outagamie County at 3:29 PM CDT. The tornado uprooted or snapped several dozen trees (DI 27 and 28, DOD 1-3), some of which fell on houses along its path across the southeast side of the city of Appleton. Two large industrial buildings suffered damage on Appleton's east side. One building's large HVAC system was blown off its roof and another large building had several overhead doors blown in and lost portions of its roof and a wall (DI 23, DOD 3 and 4). A self-service car wash lost its roof in Kimberly. An industrial park in Little Chute was also affected. A building had an HVAC unit damaged and a couple trees were knocked down. The tornado dissipated after crossing I-41 north of Kaukauna.

Tornado in WINNEBAGO, WISCONSIN
From 14-JUN-17 14:28:00 to 14-JUN-17 14:29:00 (CST-6)
Location: APPLETON
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado developed at 3:28 PM CDT in far northeast Winnebago County near the village of Fox Crossing then moved into Outagamie County, about 1.8 miles south of Appleton, at 3:29 PM CDT. The tornado continued into Outagamie County for another 7 miles before dissipating at 3:37 PM CDT. The tornado damaged nearly two dozen trees and uprooted several others (DI 27 and 28, DOD 1-3) in Winnebago County. One house sustained roof damage by a fallen tree.

Tornado in SHAWANO, WISCONSIN
From 14-JUN-17 12:47:00 to 14-JUN-17 12:47:00 (CST-6)
Location: GRESHAM
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A weak tornado briefly touched down in an open field near the Shawano/Menominee County line. The tornado was photographed.

Tornado in SHAWANO, WISCONSIN
From 14-JUN-17 14:51:00 to 14-JUN-17 14:59:00 (CST-6)
Location: ANGELICA
Tornado F-scale: EF1
Property damage: 75.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF1 tornado formed and moved north-northeast on the west side of the city of Pulaski. The tornado ripped off a garage door and one side of the garage collapsed inward (DI 2, DOD 4). Another nearby garage door (on a different property) collapsed and one side was heavily damaged (DI 2, DOD 4). In addition, a barn's roof was collapsed (DI 1, DOD 5). Several dozen trees were uprooted in wet soil or heavily damaged (DI 27 and 28, DOD 2 and 3) in the path of the tornado.

Tornado in SHAWANO, WISCONSIN
From 14-JUN-17 14:53:00 to 14-JUN-17 14:55:00 (CST-6)
Location: HOFA PARK
Tornado F-scale: EF0
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado, west of Angelica, heavily damaged an old barn (DI 1, DOD 6) and partially tore the roof off an outbuilding (DI 1, DOD 2). Another old barn had most of its roof blown off (DI 1, DOD 5). A nearby home had roof damage (DI 2, DOD 2) and its garage door partially collapsed inward.

Tornado in OUTAGAMIE, WISCONSIN
From 14-JUN-17 14:40:00 to 14-JUN-17 14:43:00 (CST-6)
Location: NICHOLS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado formed at 3:40 PM CDT and moved northeast, entering Shawano County 1.4 miles north of Nichols at 3:43 PM CDT. The tornado removed some shingles and siding off a house (DI 2, DOD 2) before strengthening as it continued into Shawano County for another 1.8 miles. The tornado dissipated at 3:45 PM CDT.

Tornado in SHAWANO, WISCONSIN
From 14-JUN-17 14:45:00 to 14-JUN-17 14:51:00 (CST-6)
Location: BRIARTON
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Another tornado formed northeast of Nichols and moved north-northeast causing isolated damage along its path. The tornado heavily damaged a wood and sheet-metal pole barn (DI 1, DOD 6). A mobile home was destroyed as it tumbled off its block foundation (DI 3, DOD 7). Portions of the home were blown nearly a quarter mile away into nearby fields and trees. Several trees along the storm's path were uprooted or snapped (DI 27 and 28, DOD 3 and 4).

Tornado in SHAWANO, WISCONSIN
From 14-JUN-17 14:43:00 to 14-JUN-17 14:45:00 (CST-6)
Location: NAVARINO
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado moved out of northern Outagamie County, 1.4 miles north of Nichols, into Shawano County at 3:43 PM CDT. A detached garage/outbuilding was swept off its foundation (DI 1, DOD 7). Another garage/outbuilding collapsed with the walls falling outward (DI 1, DOD 6). A stand of pines across the street had a 75 yard wide by 125 yard long area that were blown down and snapped in a convergent pattern (DI 28, DOD 4). The tornado dissipated at 3:45 PM CDT.

Tornado in OUTAGAMIE, WISCONSIN
From 14-JUN-17 14:31:00 to 14-JUN-17 14:38:00 (CST-6)
Location: BEAR CREEK
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A weak tornado uprooted several trees in saturated soil and broke limbs off about a dozen more (DI 27 and 28, DOD 1 and 2). A metal barn roof was blown off (DI 1, DOD 2) and another barn roof collapsed (DI 1, DOD 5).

Tornado in WAUSHARA, WISCONSIN
From 14-JUN-17 13:49:00 to 14-JUN-17 13:52:00 (CST-6)
Location: WILD ROSE
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado formed east of Wild Rose and quickly moved northeast, uprooting or snapping over 100 pine trees (DI 28, DOD 2-4) along its intermittent path. Several houses sustained significant roof damage from fallen trees.

Thunderstorm Wind in WAUSHARA, WISCONSIN
From 14-JUN-17 13:40:00 to 14-JUN-17 13:40:00 (CST-6)
Location: MT MORRIS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees in central Waushara County.

Thunderstorm Wind in WAUSHARA, WISCONSIN
From 14-JUN-17 13:30:00 to 14-JUN-17 13:30:00 (CST-6)
Location: RICHFORD
Magnitude: 56.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds downed a barn in Richford. The time of this event is an estimate based on radar data.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 14-JUN-17 14:00:00 to 14-JUN-17 14:00:00 (CST-6)
Location: KING
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds uprooted or heavily damaged 10 trees on Onaway Island on the Chain O' Lakes.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 14-JUN-17 14:05:00 to 14-JUN-17 14:05:00 (CST-6)
Location: WAUPACA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm wind gusts, estimated as high as 70 mph, downed trees in Waupaca.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 14-JUN-17 14:05:00 to 14-JUN-17 14:05:00 (CST-6)
Location: EUREKA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees in Eureka.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 14-JUN-17 14:10:00 to 14-JUN-17 14:10:00 (CST-6)
Location: IOLA
Magnitude: 61.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed numerous trees in Iola, including some large trees that were knocked onto houses and power lines.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 14-JUN-17 14:13:00 to 14-JUN-17 14:13:00 (CST-6)
Location: (OSH)WITTMAN FLD OSH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees around Oshkosh.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 14-JUN-17 14:17:00 to 14-JUN-17 14:17:00 (CST-6)
Location: ALLENVILLE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds blew in the south facing windows of a building along the Fox River in Oshkosh.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 14-JUN-17 14:25:00 to 14-JUN-17 14:25:00 (CST-6)
Location: MENASHA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds uprooted many trees in Menasha.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 14-JUN-17 14:25:00 to 14-JUN-17 14:25:00 (CST-6)
Location: NORTHPORT
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds heavily damaged a barn and tore the roof from an outbuilding near Sugar Bush.

Thunderstorm Wind in OUTAGAMIE, WISCONSIN
From 14-JUN-17 14:30:00 to 14-JUN-17 14:35:00 (CST-6)
Location: APPLETON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed large trees on the south and east sides of Appleton.

Thunderstorm Wind in OUTAGAMIE, WISCONSIN
From 14-JUN-17 14:30:00 to 14-JUN-17 14:30:00 (CST-6)
Location: SHIOCTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed trees and power lines in Shiocton.

Thunderstorm Wind in BROWN, WISCONSIN
From 14-JUN-17 14:50:00 to 14-JUN-17 14:50:00 (CST-6)
Location: LITTLE RAPIDS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds uprooted or damaged 20 trees on the Fox River.

Thunderstorm Wind in SHAWANO, WISCONSIN
From 14-JUN-17 14:45:00 to 14-JUN-17 14:45:00 (CST-6)
Location: SHAWANO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed large tree limbs in Shawano.

Thunderstorm Wind in OCONTO, WISCONSIN
From 14-JUN-17 14:52:00 to 14-JUN-17 14:52:00 (CST-6)
Location: CHASE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed numerous trees near Sobieski.

Thunderstorm Wind in BROWN, WISCONSIN
From 14-JUN-17 14:53:00 to 14-JUN-17 14:53:00 (CST-6)
Location: DE PERE
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed trees that caused damage to several homes on the south side of De Pere.

Thunderstorm Wind in BROWN, WISCONSIN
From 14-JUN-17 15:04:00 to 14-JUN-17 15:04:00 (CST-6)
Location: BAY SETTLEMENT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds tore 4 to 5 inch limbs from trees and tossed them 100 to 150 feet.

Thunderstorm Wind in BROWN, WISCONSIN
From 14-JUN-17 14:57:00 to 14-JUN-17 14:57:00 (CST-6)
Location: ALLOUEZ
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed several trees near Highway 172 and Monroe Road.

Thunderstorm Wind in OCONTO, WISCONSIN
From 14-JUN-17 15:05:00 to 14-JUN-17 15:05:00 (CST-6)
Location: LITTLE SUAMICO
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed numerous trees around Little Suamico.