A powerful line of thunderstorms moved across southern Wisconsin during the evening of June 28, 2017. These storms brought damaging winds and 3 tornadoes to the area.

Thunderstorm Wind in ROCK, WISCONSIN
From 28-JUN-17 18:20:00 to 28-JUN-17 18:20:00 (CST-6)
Location: ORFORDVILLE
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread tree damage was reported across southern Rock county. In northern Beloit, a 12 inch branch was snapped off of a tree.

Thunderstorm Wind in KENOSHA, WISCONSIN
From 28-JUN-17 19:55:00 to 28-JUN-17 19:55:00 (CST-6)
Location: CAROL BEACH
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several 3 to 5 inch branches were taken off of trees as a squall line moved through the area.

Tornado in ROCK, WISCONSIN
From 28-JUN-17 18:38:00 to 28-JUN-17 18:40:00 (CST-6)
Location: LEYDEN
Tornado F-scale: EF0
Property damage: 60.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This short lived tornado topped, snapped, or uprooted many trees and damaged the roof on two farm buildings.

Thunderstorm Wind in JEFFERSON, WISCONSIN
From 28-JUN-17 18:25:00 to 28-JUN-17 18:25:00 (CST-6)
Location: WATERLOO
Magnitude: 70.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was snapped at the trunk as a bow echo moved through northern Jefferson county.

Thunderstorm Wind in JEFFERSON, WISCONSIN
From 28-JUN-17 18:40:00 to 28-JUN-17 18:40:00 (CST-6)
Location: FT ATKINSON
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Employee

Large branches were torn off of several trees as a bow echo moved through Jefferson county.

Thunderstorm Wind in KENOSHA, WISCONSIN
From 28-JUN-17 19:30:00 to 28-JUN-17 19:30:00 (CST-6)
Location: TWIN LAKES
Magnitude: 52.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

There were branches broken off of several large trees as a squall line moved through southeastern Wisconsin.

Thunderstorm Wind in GREEN, WISCONSIN
From 28-JUN-17 22:32:00 to 28-JUN-17 22:32:00 (CST-6)
Location: BRODHEAD
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Around 6 pine trees were knocked down as a thunderstorms moved through the area.

Thunderstorm Wind in WALWORTH, WISCONSIN
From 29-JUN-17 00:15:00 to 29-JUN-17 00:15:00 (CST-6)
Location: WALWORTH
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple trees were downed across the town of Walworth as a thunderstorm pushed through the area.

Thunderstorm Wind in WALWORTH, WISCONSIN
From 29-JUN-17 00:28:00 to 29-JUN-17 00:28:00 (CST-6)
Location: PELL LAKE
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were downed as a thunderstorm pushed across the area.

Flash Flood in LAFAYETTE, WISCONSIN
From 28-JUN-17 19:00:00 to 28-JUN-17 21:15:00 (CST-6)
Location: ELK GROVE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Over 3 hours of heavy rainfall from thunderstorms caused flash flooding. Many roads were closed due to water running across them. The flooding was concentrated in the southeastern portion of the county. Radar rainfall estimates were up to 7 inches in some spots.

Thunderstorm Wind in IOWA, WISCONSIN
From 28-JUN-17 16:57:00 to 28-JUN-17 16:57:00 (CST-6)
Location: LIVINGSTON
Magnitude: 78.00 EG
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several wooden electrical transmission lines were downed or snapped along highway 80 as a strong line of thunderstorms moved through the area.

Tornado in GREEN, WISCONSIN
From 28-JUN-17 17:55:00 to 28-JUN-17 17:58:00 (CST-6)
Location: STEARNS
Tornado F-scale: EF1
Property damage: 145.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A short lived tornado removed a portion of the roof from two industrial buildings and broke multiple windows in each building.  Elsewhere, a trailer was flipped and multiple trees were either snapped or uprooted. A dumpster was also lifted and blown across Highway 69.

Thunderstorm Wind in IOWA, WISCONSIN
From 28-JUN-17 17:01:00 to 28-JUN-17 17:01:00 (CST-6)
Location: COBB
Magnitude: 70.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several electrical transmission lines were downed as a strong line of thunderstorms moved through the area.

Thunderstorm Wind in IOWA, WISCONSIN
From 28-JUN-17 17:07:00 to 28-JUN-17 17:07:00 (CST-6)
Location: MINERAL PT
Magnitude: 70.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A small farm building was destroyed as a strong line of thunderstorms moved through the area.

Thunderstorm Wind in WASHINGTON, WISCONSIN
From 28-JUN-17 17:49:00 to 28-JUN-17 17:49:00 (CST-6)
Location: HUBERTUS
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple trees were damaged as a strong thunderstorm moved through the area.

Thunderstorm Wind in WAUKESHA, WISCONSIN
From 28-JUN-17 17:49:00 to 28-JUN-17 17:49:00 (CST-6)
Location: LANNON
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: COOP Observer

Several trees were downed and several trees had large branches torn off as a strong thunderstorm moved through the area.

Thunderstorm Wind in WASHINGTON, WISCONSIN
From 28-JUN-17 17:53:00 to 28-JUN-17 17:53:00 (CST-6)
Location: GERMANTOWN
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A heating unit was ripped off the roof of a building as a strong thunderstorm moved through the area.

Thunderstorm Wind in GREEN, WISCONSIN
From 28-JUN-17 17:58:00 to 28-JUN-17 17:58:00 (CST-6)
Location: JUDA
Magnitude: 70.00 EG
Property damage: 11.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A farm building was destroyed and 1 tree was snapped as a strong line of thunderstorms moved through the area.

Thunderstorm Wind in DANE, WISCONSIN
From 28-JUN-17 18:25:00 to 28-JUN-17 18:25:00 (CST-6)
Location: LAKE KEGONSA
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 3 foot diameter tree was uprooted as a strong line of thunderstorms moved through the area.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 28-JUN-17 16:59:00 to 28-JUN-17 17:38:00 (CST-6)
Location: PLATTE MOUNDS
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Scattered tree damage occurred across the county as a strong line of thunderstorms moved through the area. However, there was no concentrated area of damage.

Thunderstorm Wind in DODGE, WISCONSIN
From 28-JUN-17 17:15:00 to 28-JUN-17 17:15:00 (CST-6)
Location: WATERTOWN
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Several trees were downed on the north side of Watertown as a strong thunderstorm pushed through the area. There was at least 1 instance of a 12 inch branch was torn off of a tree.

Thunderstorm Wind in WASHINGTON, WISCONSIN
From 28-JUN-17 17:52:00 to 28-JUN-17 17:52:00 (CST-6)
Location: GERMANTOWN
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were downed at the Blackstone Creek golf course as a strong thunderstorm moved through the area.

Thunderstorm Wind in DANE, WISCONSIN
From 28-JUN-17 18:10:00 to 28-JUN-17 18:10:00 (CST-6)
Location: LAKEVIEW
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Several trees were damaged as a strong line of thunderstorms moved through the area.

Tornado in GREEN, WISCONSIN
From 28-JUN-17 17:55:00 to 28-JUN-17 18:01:00 (CST-6)
Location: STEARNS
Tornado F-scale: EF1
Property damage: 325.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Along the path of the tornado, a barn and pole shed were destroyed, 4 houses sustained damage, 4 power poles were snapped, numerous trees were either snapped or uprooted and a camper was rolled into a pond. The majority of the tornado path had EF-0 damage, but there were pockets of EF-1 damage.