A surge of warm and moist air aloft brought rounds of strong to severe thunderstorms to southern WI. Large hail and tree damage occurred.

Hail in DODGE, WISCONSIN
From 15-MAY-17 21:00:00 to 15-MAY-17 21:00:00 (CST-6)
Location: BEAVER DAM ARPT
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: COOP Observer

Hail in COLUMBIA, WISCONSIN
From 15-MAY-17 15:00:00 to 15-MAY-17 15:00:00 (CST-6)
Location: POYNETTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DANE, WISCONSIN
From 15-MAY-17 15:09:00 to 15-MAY-17 15:09:00 (CST-6)
Location: WAUNAKEE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DANE, WISCONSIN
From 15-MAY-17 15:15:00 to 15-MAY-17 15:15:00 (CST-6)
Location: DE FOREST
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Hail in DANE, WISCONSIN
From 15-MAY-17 15:20:00 to 15-MAY-17 15:20:00 (CST-6)
Location: WINDSOR
Magnitude: 2.50 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DANE, WISCONSIN
From 15-MAY-17 15:20:00 to 15-MAY-17 15:20:00 (CST-6)
Location: DE FOREST
Magnitude: 2.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OZAUKEE, WISCONSIN
From 15-MAY-17 21:45:00 to 15-MAY-17 21:45:00 (CST-6)
Location: CEDARBURG
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in OZAUKEE, WISCONSIN
From 15-MAY-17 21:46:00 to 15-MAY-17 21:46:00 (CST-6)
Location: SAUKVILLE
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 15-MAY-17 19:41:00 to 15-MAY-17 19:41:00 (CST-6)
Location: DARLINGTON
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Several trees and branches down including power lines.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 15-MAY-17 19:54:00 to 15-MAY-17 19:54:00 (CST-6)
Location: ARGYLE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Several trees and branches down including power lines.

Thunderstorm Wind in GREEN, WISCONSIN
From 15-MAY-17 20:02:00 to 15-MAY-17 20:02:00 (CST-6)
Location: MARTINTOWN
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A tree down.

Thunderstorm Wind in GREEN, WISCONSIN
From 15-MAY-17 20:10:00 to 15-MAY-17 20:10:00 (CST-6)
Location: MONROE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

A couple trees down.

Thunderstorm Wind in DANE, WISCONSIN
From 15-MAY-17 20:30:00 to 15-MAY-17 20:30:00 (CST-6)
Location: HENRY VILAS PARK ZOO
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree blown over.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 15-MAY-17 19:43:00 to 15-MAY-17 19:43:00 (CST-6)
Location: DARLINGTON
Magnitude: 56.00 MG
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in JEFFERSON, WISCONSIN
From 15-MAY-17 21:10:00 to 15-MAY-17 21:10:00 (CST-6)
Location: HEBRON
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree down.

Thunderstorm Wind in WAUKESHA, WISCONSIN
From 15-MAY-17 21:24:00 to 15-MAY-17 21:24:00 (CST-6)
Location: SUMMIT CORNERS
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Employee

Several large tree limbs blown down.

Thunderstorm Wind in MILWAUKEE, WISCONSIN
From 15-MAY-17 21:46:00 to 15-MAY-17 21:46:00 (CST-6)
Location: BROWN DEER
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Several tree branches down.

Hail in DANE, WISCONSIN
From 15-MAY-17 15:15:00 to 15-MAY-17 15:15:00 (CST-6)
Location: NORWAY GROVE
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Public