Thunderstorms developed in unstable air as upper level disturbances passed across the area.  Some of the storms became severe, producing damaging winds and hail up to penny size.  Thunderstorm winds downed numerous trees and power lines across central and north central Wisconsin, blew down storage sheds near Bear Creek (Waupaca Co.), and tore the roof from an outbuilding in Deerbrook (Langlade Co.).

Thunderstorm Wind in PORTAGE, WISCONSIN
From 30-MAY-13 15:50:00 to 30-MAY-13 15:50:00 (CST-6)
Location: CODDINGTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds near 60 mph blew a semi-trailer on its side on I-39 south of Plover. No one was injured.

Thunderstorm Wind in PORTAGE, WISCONSIN
From 30-MAY-13 13:15:00 to 30-MAY-13 13:15:00 (CST-6)
Location: PLOVER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed six small trees and knocked out power in Plover.  The storms also produced pea size hail.

Thunderstorm Wind in CALUMET, WISCONSIN
From 30-MAY-13 14:35:00 to 30-MAY-13 14:35:00 (CST-6)
Location: HIGH CLIFF
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds snapped a birch tree at High Cliff State Park.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 30-MAY-13 19:06:00 to 30-MAY-13 19:06:00 (CST-6)
Location: EMBARRASS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed trees around Embarrass.  Time of event is estimated.  Reports of downed trees were received by law enforcement between 7:06 PM and 7:22 PM CST.

Thunderstorm Wind in SHAWANO, WISCONSIN
From 30-MAY-13 16:30:00 to 30-MAY-13 16:30:00 (CST-6)
Location: TIGERTON
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter in Tigerton measured a thunderstorm wind gust of 60 mph.

Thunderstorm Wind in SHAWANO, WISCONSIN
From 30-MAY-13 14:00:00 to 30-MAY-13 14:00:00 (CST-6)
Location: ANIWA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed trees near Maple Road and U.S. Highway 45.

Thunderstorm Wind in LANGLADE, WISCONSIN
From 30-MAY-13 14:10:00 to 30-MAY-13 14:10:00 (CST-6)
Location: ANTIGO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed power lines in Antigo.

Thunderstorm Wind in LANGLADE, WISCONSIN
From 30-MAY-13 14:15:00 to 30-MAY-13 14:15:00 (CST-6)
Location: DEERBROOK
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed a tree and tore the steel roof from an out building.

Thunderstorm Wind in LANGLADE, WISCONSIN
From 30-MAY-13 14:41:00 to 30-MAY-13 14:41:00 (CST-6)
Location: BRYANT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed numerous trees along and near Highway 52 around Bryant.

Thunderstorm Wind in FOREST, WISCONSIN
From 30-MAY-13 14:45:00 to 30-MAY-13 14:45:00 (CST-6)
Location: CRANDON
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds downed trees and knocked out power in Crandon.

Thunderstorm Wind in WAUPACA, WISCONSIN
From 30-MAY-13 18:35:00 to 30-MAY-13 18:35:00 (CST-6)
Location: SYMCO
Magnitude: 61.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A thunderstorm produced high winds that blew down two storage sheds just outside Bear Creek in Waupaca County. More than a dozen farming machines were in one of the sheds; many sustained damage.

Hail in WAUPACA, WISCONSIN
From 30-MAY-13 13:58:00 to 30-MAY-13 13:58:00 (CST-6)
Location: IOLA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms near Iola produced penny size hail and a measured wind gust of 56 mph.

Thunderstorm Wind in VILAS, WISCONSIN
From 30-MAY-13 15:00:00 to 30-MAY-13 15:00:00 (CST-6)
Location: EAGLE RIVER
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed large trees along Wall Street and knocked out power in Eagle River.