A morning round of severe thunderstorms affected parts of south-central and most of southeast Wisconsin, bringing with it mostly reports of damaging wind.  Some of the stronger wind reports occurred in Washington and Ozaukee County where pockets of widespread tree and structural damage resulted.  Hundreds of trees were toppled which crashed onto the roofs of many homes and vehicles from Hartford to Newburg in Washington County.  Damage was estimated at nearly 350,000 dollars.  Winds were estimated at 78 knots (90 mph) based on damage reports.   In Ozaukee County, winds toppled trees which crushed 4 vehicles and 6 homes causing about 150,000 dollars in damage.  Trees were also uprooted and deposited on Interstate 43 near Port Washington.  Winds were estimated at 65 knots (75 mph), or hurricane strength.  Other reports of damaging winds were noted across Dane, Rock, Walworth, Racine, and Kenosha counties with mainly scattered areas of tree damage.  In addition to damaging winds, areas of urban and low lying flooding were reported in Sun Prairie and Slinger.  Water was over the curbs in Sun Prairie and water was reported to have covered Highway 60 in Slinger.  Water damage to basements, roads, water control systems, public buildings and public utilities totaled 353,000 dollars in Washington County.  Lightning was reported to have started two buildings on fire in and near Port Washington (Ozaukee Co.) and is believed to have started an apartment complex on fire in Madison as well.  Total lightning and fire damage was estimated at 125,000 dollars in Port Washington and 150,000 dollars in Madison (Dane Co.).

Thunderstorm Wind in RACINE, WISCONSIN
From 21-MAY-04 08:50:00 to 21-MAY-04 08:50:00 (CST)
Location: STURTEVANT
Magnitude: 56 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in OZAUKEE, WISCONSIN
From 21-MAY-04 07:40:00 to 21-MAY-04 07:40:00 (CST)
Location: CEDARBURG
Magnitude: 52 MG
Property damage: 50K
Reported by: AWOS,ASOS,MESONET,ETC

Heavy Rain in DANE, WISCONSIN
From 21-MAY-04 05:00:00 to 21-MAY-04 07:00:00 (CST)
Location: SUN PRAIRIE
Reported by: TRAINED SPOTTER

Lightning in DANE, WISCONSIN
From 21-MAY-04 07:20:00 to 21-MAY-04 07:20:00 (CST)
Location: MADISON
Property damage: 150K
Reported by: NEWSPAPER

Thunderstorm Wind in ROCK, WISCONSIN
From 21-MAY-04 07:53:00 to 21-MAY-04 07:53:00 (CST)
Location: JANESVILLE
Magnitude: 50 EG
Reported by: LAW ENFORCEMENT

Heavy Rain in WASHINGTON, WISCONSIN
From 21-MAY-04 07:00:00 to 21-MAY-04 08:30:00 (CST)
Location: SLINGER
Reported by: LAW ENFORCEMENT

Lightning in OZAUKEE, WISCONSIN
From 21-MAY-04 16:30:00 to 21-MAY-04 16:30:00 (CST)
Location: PORT WASHINGTON
Property damage: 25K
Reported by: FIRE DEPT/RESCUE SQUAD

Thunderstorm Wind in KENOSHA, WISCONSIN
From 21-MAY-04 08:35:00 to 21-MAY-04 08:35:00 (CST)
Location: TWIN LAKES
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in ROCK, WISCONSIN
From 21-MAY-04 07:35:00 to 21-MAY-04 07:35:00 (CST)
Location: CLINTON
Magnitude: 50 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in WALWORTH, WISCONSIN
From 21-MAY-04 08:10:00 to 21-MAY-04 08:10:00 (CST)
Location: LA GRANGE
Magnitude: 56 EG
Reported by: NEWSPAPER

Thunderstorm Wind in KENOSHA, WISCONSIN
From 21-MAY-04 08:20:00 to 21-MAY-04 08:20:00 (CST)
Location: KENOSHA
Magnitude: 52 EG
Reported by: NEWSPAPER

Thunderstorm Wind in WASHINGTON, WISCONSIN
From 21-MAY-04 07:18:00 to 21-MAY-04 07:30:00 (CST)
Location: HARTFORD
Magnitude: 78 EG
Property damage: 350K
Reported by: NWS STORM SURVEY

Thunderstorm Wind in ROCK, WISCONSIN
From 21-MAY-04 07:30:00 to 21-MAY-04 07:30:00 (CST)
Location: BELOIT
Magnitude: 50 EG
Reported by: LAW ENFORCEMENT

Flood in WASHINGTON, WISCONSIN
From 21-MAY-04 07:00:00 to 21-MAY-04 08:30:00 (CST)
Property damage: 353K
Crop damage: 150K
Reported by: LAW ENFORCEMENT

Lightning in OZAUKEE, WISCONSIN
From 21-MAY-04 04:30:00 to 21-MAY-04 04:30:00 (CST)
Location: PORT WASHINGTON
Property damage: 100K
Reported by: FIRE DEPT/RESCUE SQUAD

Thunderstorm Wind in OZAUKEE, WISCONSIN
From 21-MAY-04 07:48:00 to 21-MAY-04 07:48:00 (CST)
Location: PORT WASHINGTON
Magnitude: 65 EG
Property damage: 150K
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 21-MAY-04 06:29:00 to 21-MAY-04 06:29:00 (CST)
Location: BELMONT
Magnitude: 52 EG
Reported by: TRAINED SPOTTER