A vigorous, cold, upper-level low pressure was over northwest Wisconsin while a short-wave trough rotated around it through southern Wisconsin. Steep lapse rates and moderate instability led to small clusters of storms, some pulsing to severe limits, moved northeast through southern Wisconsin.  Most locations experienced thunderstorm wind gusts to 39 to 43 knots (45 to 50 mph), but several experienced wind gusts of 50 knots (58 mph) or higher.

Thunderstorm Wind in OZAUKEE, WISCONSIN
From 28-JUN-08 14:23:00 to 28-JUN-08 14:25:00 (CST-6)
Location: CEDARBURG
Magnitude: 57.00 MG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorms winds knocked down a few large trees, andn blew down some tents at the annual Strawberry Festival.  Two people at the festival were injured by broken tree branches and received medical treatment for minor injuries.

Hail in DODGE, WISCONSIN
From 28-JUN-08 13:30:00 to 28-JUN-08 13:45:00 (CST-6)
Location: FOX LAKE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail ranging from 1 inch in diameter in Fox Lake to 1.75 inches southwest of Waupun.  The ground was completely covered with hail in the Fox Lake area.  No damage was reported, although damage was possible.

Hail in FOND DU LAC, WISCONSIN
From 28-JUN-08 14:02:00 to 28-JUN-08 14:02:00 (CST-6)
Location: OAKFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ROCK, WISCONSIN
From 28-JUN-08 13:45:00 to 28-JUN-08 13:45:00 (CST-6)
Location: BELOIT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in COLUMBIA, WISCONSIN
From 28-JUN-08 13:50:00 to 28-JUN-08 13:55:00 (CST-6)
Location: COLUMBUS
Magnitude: 73.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Powerful thunderstorms winds knocked down large trees southwest of Columbus.  A school mesonet site (Madison TV-15) 1 mile south-southwest of Columbus had a measured gust of 84.3 mph (73 knots).

Thunderstorm Wind in DODGE, WISCONSIN
From 28-JUN-08 14:07:00 to 28-JUN-08 14:25:00 (CST-6)
Location: JUNEAU
Magnitude: 71.00 MG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Public

Powerful thunderstorms winds knocked down large trees, and blew a barn down south-southwest of Juneau.  A maximum wind gust of 71 knots (82 mph) was measured at the Dodge County Airport (KUNU) just north of Juneau.

Thunderstorm Wind in WAUKESHA, WISCONSIN
From 28-JUN-08 14:05:00 to 28-JUN-08 14:05:00 (CST-6)
Location: DOWNTOWN WAUKESHA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

Trees damaged.

Thunderstorm Wind in WAUKESHA, WISCONSIN
From 28-JUN-08 13:57:00 to 28-JUN-08 13:57:00 (CST-6)
Location: OCONOMOWOC
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Powerful thunderstorms winds knocked down a few large trees.

Hail in WAUKESHA, WISCONSIN
From 28-JUN-08 13:57:00 to 28-JUN-08 13:57:00 (CST-6)
Location: DOUSMAN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in KENOSHA, WISCONSIN
From 28-JUN-08 14:10:00 to 28-JUN-08 14:10:00 (CST-6)
Location: PADDOCK LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorms winds knocked down a few large trees.

Thunderstorm Wind in KENOSHA, WISCONSIN
From 28-JUN-08 14:22:00 to 28-JUN-08 14:30:00 (CST-6)
Location: DOWNTOWN KENOSHA
Magnitude: 56.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorms winds knocked down large trees and power-lines throughout the city of Kenosha.

Hail in COLUMBIA, WISCONSIN
From 28-JUN-08 13:23:00 to 28-JUN-08 13:23:00 (CST-6)
Location: PORTAGE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in GREEN, WISCONSIN
From 28-JUN-08 12:55:00 to 28-JUN-08 12:55:00 (CST-6)
Location: MONROE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down.

Thunderstorm Wind in ROCK, WISCONSIN
From 28-JUN-08 13:07:00 to 28-JUN-08 13:07:00 (CST-6)
Location: ORFORDVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Powerful thunderstorms winds knocked down several large tree branches while pea-size hail fell.

Thunderstorm Wind in ROCK, WISCONSIN
From 28-JUN-08 13:52:00 to 28-JUN-08 13:52:00 (CST-6)
Location: CLINTON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Powerful thunderstorms winds knocked down large trees in the Clinton area.

Thunderstorm Wind in JEFFERSON, WISCONSIN
From 28-JUN-08 13:55:00 to 28-JUN-08 13:55:00 (CST-6)
Location: HUBBLETON
Magnitude: 74.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorms winds rolled through the Ixonia area.  Damage consited of shingles ripped off of roofs, 6 imploded windows in a home, a gas tank blown over, numerous uprooted or snapped large trees, and downed power-lines.  Based on measured wind gusts with similar storms that affected the Juneau area in Dodge County, the Ixonia winds were estimated at about 74 knots (85 mph).

Hail in SAUK, WISCONSIN
From 28-JUN-08 12:40:00 to 28-JUN-08 12:40:00 (CST-6)
Location: PLAIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GREEN, WISCONSIN
From 28-JUN-08 13:05:00 to 28-JUN-08 13:05:00 (CST-6)
Location: BRODHEAD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GREEN, WISCONSIN
From 28-JUN-08 12:45:00 to 28-JUN-08 12:55:00 (CST-6)
Location: BROWNTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in RACINE, WISCONSIN
From 28-JUN-08 14:20:00 to 28-JUN-08 14:25:00 (CST-6)
Location: DOWNTOWN RACINE
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerful thunderstorms winds knocked down large trees and power-lines.

Hail in DODGE, WISCONSIN
From 28-JUN-08 14:34:00 to 28-JUN-08 14:34:00 (CST-6)
Location: LOMIRA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The ground was covered white with hail, and wind gusts to about 43 knots (50 mph) were noted by the trained spotter.

Thunderstorm Wind in WASHINGTON, WISCONSIN
From 28-JUN-08 14:20:00 to 28-JUN-08 14:20:00 (CST-6)
Location: JACKSON
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Powerful thunderstorms winds knocked down a few large trees.