Scattered clusters of thunderstorms developed during the mid-morning hours and moved southeast with time.  These storms produced mainly damaging winds up to 61 knots (70 mph), and some isolated large hail.  Vivid lightning was also noted.  Lightning hit a tree in Racine around 0910CST causing it to fall onto and lightly damage a car.  About 15,000 customers were without electrical power due to tree damage to power-lines.

Thunderstorm Wind in FOND DU LAC, WISCONSIN
From 30-JUL-06 06:30:00 to 30-JUL-06 06:30:00 (CST)
Location: RIPON
Magnitude: 56 EG
Property damage: 5K
Reported by: LAW ENFORCEMENT

Trees and power lines reported down.

Thunderstorm Wind in FOND DU LAC, WISCONSIN
From 30-JUL-06 06:32:00 to 30-JUL-06 06:32:00 (CST)
Location: TAYCHEEDAH
Magnitude: 56 EG
Property damage: 5K
Reported by: TRAINED SPOTTER

Trees and power lines down.

Thunderstorm Wind in GREEN LAKE, WISCONSIN
From 30-JUL-06 06:10:00 to 30-JUL-06 06:10:00 (CST)
Location: BERLIN
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Trees down.

Thunderstorm Wind in COLUMBIA, WISCONSIN
From 30-JUL-06 07:18:00 to 30-JUL-06 07:18:00 (CST)
Location: PORTAGE
Magnitude: 56 EG
Property damage: 5K
Reported by: LAW ENFORCEMENT

Trees and power-lines reported down.

Thunderstorm Wind in DODGE, WISCONSIN
From 30-JUL-06 07:00:00 to 30-JUL-06 07:00:00 (CST)
Location: BEAVER DAM
Magnitude: 52 EG
Property damage: 5K
Reported by: LAW ENFORCEMENT

Trees and power-lines down.

Thunderstorm Wind in SHEBOYGAN, WISCONSIN
From 30-JUL-06 06:50:00 to 30-JUL-06 06:50:00 (CST)
Location: CASCADE
Magnitude: 52 EG
Reported by: GENERAL PUBLIC

Trees down.

Thunderstorm Wind in MILWAUKEE, WISCONSIN
From 30-JUL-06 08:00:00 to 30-JUL-06 08:00:00 (CST)
Location: MILWAUKEE
Magnitude: 61 EG
Property damage: 50K
Reported by: LAW ENFORCEMENT

Powerful wind gusts to an estimated 61 knots (70 mph) took the roof of a lumberyard off, which took down nearby power-lines.  Around 45 customers were without power for a time as a result.  Large trees and powerlines were  toppled.

Hail in RACINE, WISCONSIN
From 30-JUL-06 09:08:00 to 30-JUL-06 09:08:00 (CST)
Location: STURTEVANT
Magnitude: 0.75 
Reported by: EMERGENCY MANAGER

Lightning in RACINE, WISCONSIN
From 30-JUL-06 09:10:00 to 30-JUL-06 09:10:00 (CST)
Location: RACINE
Property damage: 3K
Reported by: LAW ENFORCEMENT

Lightning hit a tree, which then fell onto a car in the city of Racine.

Thunderstorm Wind in JEFFERSON, WISCONSIN
From 30-JUL-06 07:52:00 to 30-JUL-06 07:52:00 (CST)
Location: IXONIA
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in FOND DU LAC, WISCONSIN
From 30-JUL-06 07:11:00 to 30-JUL-06 07:11:00 (CST)
Location: ASHFORD
Magnitude: 52 EG
Property damage: 5K
Reported by: LAW ENFORCEMENT

Trees and power-lines down.

Thunderstorm Wind in WASHINGTON, WISCONSIN
From 30-JUL-06 07:05:00 to 30-JUL-06 07:15:00 (CST)
Location: KEWASKUM
Magnitude: 56 EG
Property damage: 15K
Reported by: LAW ENFORCEMENT

Trees and power-lines down across the northern portions of Washington County.

Thunderstorm Wind in DODGE, WISCONSIN
From 30-JUL-06 07:03:00 to 30-JUL-06 07:03:00 (CST)
Location: LOMIRA
Magnitude: 52 EG
Property damage: 5K
Reported by: TRAINED SPOTTER

Trees and power-lines down.

Thunderstorm Wind in MARQUETTE, WISCONSIN
From 30-JUL-06 07:06:00 to 30-JUL-06 07:06:00 (CST)
Location: BRIGGSVILLE
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Hail in SHEBOYGAN, WISCONSIN
From 30-JUL-06 06:50:00 to 30-JUL-06 06:50:00 (CST)
Location: CASCADE
Magnitude: 0.88 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in OZAUKEE, WISCONSIN
From 30-JUL-06 07:40:00 to 30-JUL-06 07:40:00 (CST)
Location: CEDARBURG
Magnitude: 56 EG
Property damage: 5K
Reported by: EMERGENCY MANAGER

Trees and power-lines reported down.

Thunderstorm Wind in MARQUETTE, WISCONSIN
From 30-JUL-06 06:15:00 to 30-JUL-06 06:30:00 (CST)
Location: COUNTYWIDE
Magnitude: 56 EG
Property damage: 5K
Reported by: LAW ENFORCEMENT

Tree and power line damage scattered across the whole county.