Short lines or clusters of thunderstorms, some of them severe with large hail, moved through south-central and southeast Wisconsin. Due to intense rainfalls and training of storms, heavy rains occurred in some locations. This was especially true from northern Sauk County through southern Marquette County and over to Sheboygan County.  WSR-88D Doppler radar rainfall amounts ranged from 2 to 4 inches within 1 to 2 hours.  Consequently, flash flooding occurred over parts of northern Sauk County, eastern Green Lake County, and central Fond du Lac County, where some roads were closed due to water depths of 1 to 3 feet and gravel shoulder washouts.  A number of homes also had moderate basement flooding in these areas. Urban/small stream flooding occurred in and around the city of Sheboygan (Sheboygan Co.) during the morning hours after 3.12 inches of rain fell overnight.  A couple cars stalled in water covering low-lying areas of the city, and some basements had water infiltration. Minor urban flooding due to heavy rains was also reported from the Reedsburg (Sauk Co.) and Greendale (Milwaukee Co.) areas.  Refer to the Green Lake County May 25th flood event for additional information.

Hail in SAUK, WISCONSIN
From 08-MAY-04 20:55:00 to 08-MAY-04 20:55:00 (CST)
Location: NORTH FREEDOM
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Heavy Rain in SAUK, WISCONSIN
From 08-MAY-04 20:30:00 to 08-MAY-04 22:00:00 (CST)
Location: REEDSBURG
Reported by: LAW ENFORCEMENT

Hail in WAUKESHA, WISCONSIN
From 08-MAY-04 20:58:00 to 08-MAY-04 21:00:00 (CST)
Location: WAUKESHA
Magnitude: 0.75 
Reported by: NWS EMPLOYEE(OFF DUTY)

Heavy Rain in SHEBOYGAN, WISCONSIN
From 08-MAY-04 04:00:00 to 08-MAY-04 09:00:00 (CST)
Location: SHEBOYGAN
Reported by: TRAINED SPOTTER

Flash Flood in FOND DU LAC, WISCONSIN
From 08-MAY-04 19:20:00 to 08-MAY-04 22:30:00 (CST)
Location: FOND DU LAC
Property damage: 25K
Reported by: LAW ENFORCEMENT

Some water damage to homes and businesses.  Gravel washouts and some roads closed due to water depths of 1 foot.

Flash Flood in GREEN LAKE, WISCONSIN
From 08-MAY-04 19:26:00 to 08-MAY-04 22:30:00 (CST)
Location: MARKESAN
Property damage: 25K
Reported by: LAW ENFORCEMENT

Basements flooded along with gravel washouts and roads closed as water levels rose to 1 foot deep.

Hail in KENOSHA, WISCONSIN
From 08-MAY-04 22:15:00 to 08-MAY-04 22:15:00 (CST)
Location: KENOSHA
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Hail in SAUK, WISCONSIN
From 08-MAY-04 20:39:00 to 08-MAY-04 20:39:00 (CST)
Location: ROCK SPGS
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Hail in DANE, WISCONSIN
From 08-MAY-04 05:37:00 to 08-MAY-04 05:37:00 (CST)
Location: SUN PRAIRIE
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Flash Flood in SAUK, WISCONSIN
From 08-MAY-04 19:15:00 to 08-MAY-04 22:30:00 (CST)
Location: LAKE DELTON
Property damage: 25K
Reported by: LAW ENFORCEMENT

Basements flooded along with gravel washouts and roads closed as water levels rose to 1 foot deep.

Heavy Rain in MILWAUKEE, WISCONSIN
From 08-MAY-04 21:00:00 to 08-MAY-04 23:00:00 (CST)
Location: GREENDALE
Reported by: LAW ENFORCEMENT

Hail in RACINE, WISCONSIN
From 08-MAY-04 21:39:00 to 08-MAY-04 21:39:00 (CST)
Location: UNION GROVE
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT