A line of strong to severe thunderstorms producing damaging winds accompanied the passage of a cold front from the late evening on March 6th into the early morning hours on March 7th. Trees and power lines were downed over portions of southern WI along with some structural damage.

Thunderstorm Wind in FOND DU LAC, WISCONSIN
From 07-MAR-17 01:38:00 to 07-MAR-17 01:38:00 (CST-6)
Location: FOND DU LAC  AIRPORT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Straight-line winds.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 06-MAR-17 22:36:00 to 06-MAR-17 22:36:00 (CST-6)
Location: FAYETTE
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Damage to the roof of a building on Highway G.

Thunderstorm Wind in SAUK, WISCONSIN
From 06-MAR-17 22:51:00 to 06-MAR-17 22:51:00 (CST-6)
Location: LA VALLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines down.

Thunderstorm Wind in DANE, WISCONSIN
From 06-MAR-17 23:39:00 to 06-MAR-17 23:39:00 (CST-6)
Location: MADISON MOREY ARPT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One large tree down in the Town of Middleton.

Thunderstorm Wind in ROCK, WISCONSIN
From 06-MAR-17 23:59:00 to 06-MAR-17 23:59:00 (CST-6)
Location: NEWARK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree down in Newark Township.

Thunderstorm Wind in ROCK, WISCONSIN
From 06-MAR-17 23:59:00 to 06-MAR-17 23:59:00 (CST-6)
Location: AVON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree down in Avon Township.

Thunderstorm Wind in ROCK, WISCONSIN
From 06-MAR-17 23:59:00 to 06-MAR-17 23:59:00 (CST-6)
Location: ORFORDVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree down in Spring Valley Township.

Thunderstorm Wind in JEFFERSON, WISCONSIN
From 07-MAR-17 00:05:00 to 07-MAR-17 00:05:00 (CST-6)
Location: KROGHVILLE
Magnitude: 61.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Local Official

Four 2 story tall trees uprooted. The trees damaged a boat, trailer, and a chimney after falling on them.

Thunderstorm Wind in DODGE, WISCONSIN
From 07-MAR-17 00:19:00 to 07-MAR-17 00:19:00 (CST-6)
Location: RUBICON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree down near the town of Rubicon.

Thunderstorm Wind in WALWORTH, WISCONSIN
From 07-MAR-17 00:24:00 to 07-MAR-17 00:24:00 (CST-6)
Location: ZENDA
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines down in Linn Township and throughout central Walworth County.

Thunderstorm Wind in ROCK, WISCONSIN
From 06-MAR-17 23:43:00 to 06-MAR-17 23:43:00 (CST-6)
Location: LEYDEN
Magnitude: 70.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A horse barn destroyed with debris strewn over 200 yards. A large pine tree was uprooted and minor damage to the home.

Thunderstorm Wind in DANE, WISCONSIN
From 06-MAR-17 22:55:00 to 06-MAR-17 23:00:00 (CST-6)
Location: MT HOREB
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Public

Trash carts airborne by straight-line winds.

Thunderstorm Wind in GREEN, WISCONSIN
From 06-MAR-17 23:25:00 to 06-MAR-17 23:25:00 (CST-6)
Location: MONROE AIRPORT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Straight-line winds.

Thunderstorm Wind in JEFFERSON, WISCONSIN
From 07-MAR-17 00:15:00 to 07-MAR-17 00:15:00 (CST-6)
Location: WATERTOWN AIRPORT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Straight-line winds.

Thunderstorm Wind in OZAUKEE, WISCONSIN
From 07-MAR-17 00:45:00 to 07-MAR-17 00:45:00 (CST-6)
Location: THIENSVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Straight-line winds measured at Homestead High School.

Thunderstorm Wind in KENOSHA, WISCONSIN
From 07-MAR-17 00:59:00 to 07-MAR-17 00:59:00 (CST-6)
Location: KENOSHA AIRPORT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Straight-line winds.

Thunderstorm Wind in IOWA, WISCONSIN
From 07-MAR-17 22:35:00 to 07-MAR-17 22:35:00 (CST-6)
Location: MINERAL POINT AIRPORT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Straight-line winds.