A thunderstorm complex, that developed in South Dakota on the evening of July 17th, continued eastward and tracked across central and east central Wisconsin during the early morning hours of July 18th.  The storm downed numerous trees and power lines and also knocked down tents at an outdoor event in Oshkosh (Winnebago Co.), causing injuries to 2 people.

Thunderstorm Wind in PORTAGE, WISCONSIN
From 18-JUL-15 03:26:00 to 18-JUL-15 03:26:00 (CST-6)
Location: PARK RIDGE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees and power lines as the storms moved through Stevens Point.

Thunderstorm Wind in PORTAGE, WISCONSIN
From 18-JUL-15 03:12:00 to 18-JUL-15 03:12:00 (CST-6)
Location: JUNCTION CITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees as the storms passed through Junction City.

Thunderstorm Wind in MARATHON, WISCONSIN
From 18-JUL-15 03:13:00 to 18-JUL-15 03:13:00 (CST-6)
Location: MOSINEE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees as the storms passed north of Mosinee.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 18-JUL-15 04:04:00 to 18-JUL-15 04:04:00 (CST-6)
Location: WAUPACA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees as the storms passed through Waupaca.  The time of this event was estimated based on radar data.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 18-JUL-15 04:20:00 to 18-JUL-15 04:20:00 (CST-6)
Location: NORTHPORT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed some trees around Highway 54 near Northport.  The time of this event was estimated based on radar data.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 18-JUL-15 04:35:00 to 18-JUL-15 04:35:00 (CST-6)
Location: OSHKOSH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced an estimated wind gust of 60 mph as they moved through Oshkosh.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 18-JUL-15 04:48:00 to 18-JUL-15 04:48:00 (CST-6)
Location: NEENAH
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced a wind gust to 58 mph as the storms passed through Neenah.

Thunderstorm Wind in CALUMET, WISCONSIN
From 18-JUL-15 04:50:00 to 18-JUL-15 04:50:00 (CST-6)
Location: HIGH CLIFF
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced a wind gust to 65 mph as the storms passed through Sherwood.

Thunderstorm Wind in CALUMET, WISCONSIN
From 18-JUL-15 04:55:00 to 18-JUL-15 04:55:00 (CST-6)
Location: ST JOHN
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds damaged a metal outbuilding along CR-BB east of Sherwood.

Thunderstorm Wind in BROWN, WISCONSIN
From 18-JUL-15 05:13:00 to 18-JUL-15 05:13:00 (CST-6)
Location: GREEN BAY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed trees and caused power outages in Green Bay.

Thunderstorm Wind in BROWN, WISCONSIN
From 18-JUL-15 05:17:00 to 18-JUL-15 05:17:00 (CST-6)
Location: DENMARK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees and power lines near Denmark.  The time of this event was estimated based on radar data.

Thunderstorm Wind in MANITOWOC, WISCONSIN
From 18-JUL-15 05:40:00 to 18-JUL-15 05:40:00 (CST-6)
Location: MISHICOT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees and power lines in Mishicot.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 18-JUL-15 04:41:00 to 18-JUL-15 04:41:00 (CST-6)
Location: (OSH)WITTMAN FLD OSH
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm winds overturned 14 vendor tents at Rock USA, where two people were injured by flying debris.  A wind gust of 66 mph was measured as the storms moved across Wittman Field in Oshkosh.

Thunderstorm Wind in MARATHON, WISCONSIN
From 18-JUL-15 03:00:00 to 18-JUL-15 03:00:00 (CST-6)
Location: HALDER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees as the storms moved through Halder.

Thunderstorm Wind in WOOD, WISCONSIN
From 18-JUL-15 03:08:00 to 18-JUL-15 03:08:00 (CST-6)
Location: NEKOOSA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed trees and knocked out power as the storms moved through Nekoosa.