A line of severe thunderstorms ahead of an approaching cold front brought two tornadoes,   flash flooding, and straight-line wind damage to far southern WI.

Thunderstorm Wind in RACINE, WISCONSIN
From 10-AUG-20 15:14:00 to 10-AUG-20 16:00:00 (CST-6)
Location: DOWNTOWN RACINE
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

Scattered tree limbs and trees down throughout Racine. A large Willow tree was uprooted on the south side of Racine.

Thunderstorm Wind in RACINE, WISCONSIN
From 10-AUG-20 15:21:00 to 10-AUG-20 15:21:00 (CST-6)
Location: NORTH BAY
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Scattered large branches down in North Bay.

Tornado in WALWORTH, WISCONSIN
From 10-AUG-20 14:38:00 to 10-AUG-20 14:42:00 (CST-6)
Location: ZENDA
Tornado F-scale: EF0
Property damage: 12.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Weak tornado started on the southeast end of Geneva Lake and went through the southeast side of Lake Geneva.  Mainly tree damage along the path, but some minor structural damage in the business district bounded by highways 120, 50 and 12.  Path appeared to end just south of the Grand Geneva resort.

Tornado in KENOSHA, WISCONSIN
From 10-AUG-20 14:45:00 to 10-AUG-20 14:50:00 (CST-6)
Location: WILMOT
Tornado F-scale: EF1
Property damage: 250.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Tornado started in NW Lake County Illinois where some house and structural damage occurred just south of the WI/IL border.  The tornado then crossed into Wisconsin and knocked hundreds of trees down (trunks snapped and uprooted) at Promised Land camp.  Tornado continued northeast toward the southwest side of Camp Lake where shingle damage was noted on a few houses.  Tornado then crossed Camp Lake and exited it on the northeast side where more tree damage was noted.  Some pontoon boats and docks were toppled on Camp Lake.  Tornado was embedded within a line of storms that also had winds of 50-60 mph.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 10-AUG-20 12:09:00 to 10-AUG-20 12:09:00 (CST-6)
Location: IPSWICH
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

A semi-truck tipped over on highway 151 due to straight-line winds.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 10-AUG-20 12:29:00 to 10-AUG-20 12:29:00 (CST-6)
Location: DARLINGTON
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Tree limbs and power lines down on the south side of Darlington. Also a blown transformer.

Thunderstorm Wind in GREEN, WISCONSIN
From 10-AUG-20 13:05:00 to 10-AUG-20 13:05:00 (CST-6)
Location: BADGER ARPT
Magnitude: 56.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Public

Many large tree limbs down in yard, some on the house. Three trees down on a nearby road.

Thunderstorm Wind in ROCK, WISCONSIN
From 10-AUG-20 13:30:00 to 10-AUG-20 13:30:00 (CST-6)
Location: TIFFANY
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A tree down on a road.

Thunderstorm Wind in GREEN, WISCONSIN
From 10-AUG-20 13:25:00 to 10-AUG-20 13:25:00 (CST-6)
Location: MONROE AIRPORT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Measured wind gust of 62 mph at Monroe airport.

Thunderstorm Wind in GREEN, WISCONSIN
From 10-AUG-20 13:20:00 to 10-AUG-20 13:20:00 (CST-6)
Location: MONROE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A downed tree in Monroe.

Thunderstorm Wind in KENOSHA, WISCONSIN
From 10-AUG-20 14:52:00 to 10-AUG-20 14:52:00 (CST-6)
Location: POWERS LAKE
Magnitude: 56.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Several trees down around the intersection of 93rd St. and 388th Ave.

Thunderstorm Wind in WALWORTH, WISCONSIN
From 10-AUG-20 14:50:00 to 10-AUG-20 14:50:00 (CST-6)
Location: PELL LAKE
Magnitude: 61.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Social Media

Large tree limbs and power lines down.

Thunderstorm Wind in KENOSHA, WISCONSIN
From 10-AUG-20 14:51:00 to 10-AUG-20 14:51:00 (CST-6)
Location: POWERS LAKE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

An estimated wind gust of 60 mph.

Thunderstorm Wind in RACINE, WISCONSIN
From 10-AUG-20 15:13:00 to 10-AUG-20 16:00:00 (CST-6)
Location: ELMWOOD PARK
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Public

Scattered tree limbs and trees down throughout Elmwood Park. Some damage to the siding of a home.

Thunderstorm Wind in KENOSHA, WISCONSIN
From 10-AUG-20 15:07:00 to 10-AUG-20 15:07:00 (CST-6)
Location: DOWNTOWN KENOSHA
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

Scattered large tree branches down in Kenosha.

Thunderstorm Wind in RACINE, WISCONSIN
From 10-AUG-20 15:10:00 to 10-AUG-20 15:10:00 (CST-6)
Location: UNION GROVE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Scattered tree limbs or trees down in Union Grove.

Flash Flood in RACINE, WISCONSIN
From 10-AUG-20 15:30:00 to 10-AUG-20 18:30:00 (CST-6)
Location: WIND PT
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: County Official

Flash flooding of streets and creeks across much of Racine County after a quick 2 to 4 inches of rain. This included Waterford, Burlington, Franksville, and Racine.  Some road closures were needed. Four cars stalled in 2 to 3 feet of standing water on Douglas Ave. near Middle Rd. northwest of Wind Point. Flash flooding led to a sink hole at the entrance road to Quarry Lake Park.

Heavy Rain in MILWAUKEE, WISCONSIN
From 10-AUG-20 15:30:00 to 10-AUG-20 17:30:00 (CST-6)
Location: OAKWOOD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Some minor street flooding in far southern Milwaukee County. Water across the intersection of Elm Rd. and Nicholson Rd.

Flash Flood in WALWORTH, WISCONSIN
From 10-AUG-20 15:00:00 to 10-AUG-20 18:00:00 (CST-6)
Location: ELKHORN
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Flash flooding of streets in the Elkhorn area including on 1st Ave and on W. Hidden Trail just west of highway 67.