The passage of a weak upper level disturbance through a very unstable air mass created a bow echo line of severe thunderstorms during the evening hours.

Flash Flood in VILAS, WISCONSIN
From 17-JUL-11 18:30:00 to 17-JUL-11 20:30:00 (CST-6)
Location: EAGLE RIVER
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A small section of Highway 70 was flooded in a low-lying area. In addition, a house had one basement wall caved in by high water.

Thunderstorm Wind in VILAS, WISCONSIN
From 17-JUL-11 17:55:00 to 17-JUL-11 17:55:00 (CST-6)
Location: ST GERMAIN
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down in St. Germain by thunderstorm winds. The time of the event was estimated.

Thunderstorm Wind in ONEIDA, WISCONSIN
From 17-JUL-11 18:45:00 to 17-JUL-11 18:45:00 (CST-6)
Location: THREE LAKES
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were blown down in the town of Three Lakes.

Thunderstorm Wind in FOREST, WISCONSIN
From 17-JUL-11 18:52:00 to 17-JUL-11 18:52:00 (CST-6)
Location: NELMA
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported that several trees were knocked down over power lines along Highway 55.

Thunderstorm Wind in ONEIDA, WISCONSIN
From 17-JUL-11 18:55:00 to 17-JUL-11 18:55:00 (CST-6)
Location: RHINELANDER
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were blown down in the city of Rhinelander.

Thunderstorm Wind in LINCOLN, WISCONSIN
From 17-JUL-11 19:00:00 to 17-JUL-11 19:00:00 (CST-6)
Location: BRADLEY
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and power lines were knocked down in the town of Bradley.

Thunderstorm Wind in LINCOLN, WISCONSIN
From 17-JUL-11 19:00:00 to 17-JUL-11 19:00:00 (CST-6)
Location: TOMAHAWK
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were blown down in the town of Tomahawk.

Thunderstorm Wind in LANGLADE, WISCONSIN
From 17-JUL-11 19:10:00 to 17-JUL-11 19:10:00 (CST-6)
Location: ELCHO
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Public

The public reported that a power pole was blown down in the town of Elcho.

Thunderstorm Wind in LANGLADE, WISCONSIN
From 17-JUL-11 19:10:00 to 17-JUL-11 19:10:00 (CST-6)
Location: ELCHO
Magnitude: 56.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

The Langlade County emergency manager reported that trees were knocked down near Post Lake.

Thunderstorm Wind in LINCOLN, WISCONSIN
From 17-JUL-11 19:30:00 to 17-JUL-11 19:30:00 (CST-6)
Location: MERRILL
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and power lines were knocked down near Merrill.

Thunderstorm Wind in FLORENCE, WISCONSIN
From 17-JUL-11 19:42:00 to 17-JUL-11 19:42:00 (CST-6)
Location: SPREAD EAGLE
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were knocked down along County Highway B near Aurora.

Thunderstorm Wind in OCONTO, WISCONSIN
From 17-JUL-11 19:52:00 to 17-JUL-11 19:52:00 (CST-6)
Location: LAKEWOOD
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were knocked down on County Highway F, about eight miles northeast of Lakewood.

Thunderstorm Wind in MARATHON, WISCONSIN
From 17-JUL-11 20:09:00 to 17-JUL-11 20:09:00 (CST-6)
Location: WAUSAU
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Several trees were uprooted near the intersection of 11th Avenue and Stewart Avenue in Wausau.

Thunderstorm Wind in MENOMINEE (C), WISCONSIN
From 17-JUL-11 20:15:00 to 17-JUL-11 20:15:00 (CST-6)
Location: NEOPIT
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down at the intersection of Highway 47 and Highway M near Neopit.

Thunderstorm Wind in MARATHON, WISCONSIN
From 17-JUL-11 20:18:00 to 17-JUL-11 20:18:00 (CST-6)
Location: SCHOFIELD
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees in the town of Schofield.

Thunderstorm Wind in PORTAGE, WISCONSIN
From 17-JUL-11 20:45:00 to 17-JUL-11 20:45:00 (CST-6)
Location: AMHERST
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees in the town of Amherst.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 17-JUL-11 21:05:00 to 17-JUL-11 21:05:00 (CST-6)
Location: WAUPACA
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds knocked down large tree branches and a tree in the city of Waupaca.

Thunderstorm Wind in WAUSHARA, WISCONSIN
From 17-JUL-11 21:20:00 to 17-JUL-11 21:20:00 (CST-6)
Location: WILD ROSE
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Large tree branches and a power line were blown down on Highway 22 near Wild Rose.

Thunderstorm Wind in DOOR, WISCONSIN
From 17-JUL-11 21:25:00 to 17-JUL-11 21:25:00 (CST-6)
Location: STURGEON BAY
Magnitude: 57.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and power lines were blown down in the city of Sturgeon Bay and across much of southern Door County.

Thunderstorm Wind in KEWAUNEE, WISCONSIN
From 17-JUL-11 21:35:00 to 17-JUL-11 21:35:00 (CST-6)
Location: RIO CREEK
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree onto power lines, which then caught fire.

Thunderstorm Wind in WINNEBAGO, WISCONSIN
From 17-JUL-11 21:50:00 to 17-JUL-11 21:50:00 (CST-6)
Location: NEENAH
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees in the city of Neenah.

Thunderstorm Wind in ONEIDA, WISCONSIN
From 17-JUL-11 18:35:00 to 17-JUL-11 18:35:00 (CST-6)
Location: (RHI)RHINELANDER ARP
Magnitude: 56.00 EG
Crop damage: 0.00K
Reported by: Public

A wind gust, estimated near 65 mph, occurred with a severe thunderstorm.  The wind knocked down tree branches and limbs northwest of Rhinelander.

Thunderstorm Wind in MANITOWOC, WISCONSIN
From 17-JUL-11 21:55:00 to 17-JUL-11 21:55:00 (CST-6)
Location: MARIBEL
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were knocked down by severe thunderstorm winds in the town of Maribel.

Thunderstorm Wind in CALUMET, WISCONSIN
From 17-JUL-11 22:15:00 to 17-JUL-11 22:15:00 (CST-6)
Location: CHILTON
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were blown down in Chilton.

Thunderstorm Wind in MANITOWOC, WISCONSIN
From 17-JUL-11 22:00:00 to 17-JUL-11 22:00:00 (CST-6)
Location: MISHICOT
Magnitude: 53.00 MG
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator measured a wind gust of 61 mph associated with a severe thunderstorm.

Lightning in DOOR, WISCONSIN
From 17-JUL-11 21:50:00 to 17-JUL-11 21:50:00 (CST-6)
Location: STURGEON BAY
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a tree, followed the copper in the underground gas propane line to a house, and ignited the wooden support holding up a pipe in the basement.

Thunderstorm Wind in MARINETTE, WISCONSIN
From 17-JUL-11 20:50:00 to 17-JUL-11 21:50:00 (CST-6)
Location: PESHTIGO
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported numerous trees and power lines were knocked down across the entire county. The worst damage occurred in Peshtigo.

Thunderstorm Wind in SHAWANO, WISCONSIN
From 17-JUL-11 20:50:00 to 17-JUL-11 20:50:00 (CST-6)
Location: NAVARINO
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down a few trees, including a large one across the intersection of Highway 187 and Highway 156.  In addition, power lines were knocked down.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 17-JUL-11 20:50:00 to 17-JUL-11 20:50:00 (CST-6)
Location: IOLA
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported that trees were blown down and power knocked out in the town of Iola.