Several rounds of heavy rain and thunderstorms moved across southwest lower Michigan from July 27 to July 29, flooding roadways and intersections across areas near to mainly south of Interstate 96.  The most significant impacts from flash flooding occurred in and near the Lansing area.  Radar estimated that 6 to 10 inches of rain fell from July 27 to 29 near and southwest of Lansing.

Flash Flood in BARRY, MICHIGAN
From 28-JUL-11 00:00:00 to 29-JUL-11 08:00:00 (EST-5)
Location: FREEPORT
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 100.00K
Reported by: Department of Highways

The Barry county road commission indicated that there were numerous road closures and washouts.  Radar indicates that six to eight inches of rain fell across northeast and east Barry county.

Flash Flood in JACKSON, MICHIGAN
From 28-JUL-11 00:00:00 to 29-JUL-11 08:00:00 (EST-5)
Location: SPRINGPORT
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 50.00K
Reported by: Department of Highways

Six to eight inches of rain fell across far northern Jackson county from the late evening hours of July 27 through the early morning hours of July 29.  This caused flash flooding and several road closures and washouts across that area.

Flash Flood in KENT, MICHIGAN
From 27-JUL-11 20:30:00 to 27-JUL-11 23:30:00 (EST-5)
Location: GRAND RAPIDS
Flood cause: Heavy Rain
Property damage: 0.00
Crop damage: 0.00K
Reported by: Law Enforcement

Dispatch reported numerous incidents of cars stuck in water and rapidly flowing water flooding streets. Sections of Diamond and Turner Avenue were impassible.

Flash Flood in GRATIOT, MICHIGAN
From 28-JUL-11 02:00:00 to 28-JUL-11 05:00:00 (EST-5)
Location: NORTH STAR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Road washouts occurred as 2 to 4 inches of rain fell on Gratiot County.

Flash Flood in INGHAM, MICHIGAN
From 27-JUL-11 23:30:00 to 29-JUL-11 08:00:00 (EST-5)
Location: OAK GROVE
Flood cause: Heavy Rain
Property damage: 5.00M
Crop damage: 0.00K
Reported by: Department of Highways

Six to eight inches of rain fell across roughly the southwestern half of Ingham county from the late evening hours of July 27 through the early morning hours of July 29.  This caused flash flooding and numerous road closures and washouts.
Water reached as high as street side mailboxes and to several homes on slabs in the Burchfield Drive neighborhood in Lansing, MI, where boat rescues were necessary. Many homes had 3 to 4 feet of water in their basements. At least five homes were destroyed in Lansing with several others uninhabitable according to the local fire department. Twenty additional homes suffered significant damage from water in Lansing and across Ingham County. One apartment building in Lansing was evacuated when sewage backed up into the building with the inflow of rain water. Nine people were rescued by boat. The Red Cross opened a shelter at a local high school in Lansing for evacuees.

Flash Flood in EATON, MICHIGAN
From 28-JUL-11 00:00:00 to 29-JUL-11 08:00:00 (EST-5)
Location: WOODBURY
Flood cause: Heavy Rain
Property damage: 1.00M
Crop damage: 250.00K
Reported by: Department of Highways

Six to eight inches of rain fell across much of Eaton county from the late evening hours of July 27 through the early morning hours of July 29.  This caused flash flooding and numerous road closures and washouts.  A co-op observer measured 7.15 inches of rain in Diamondale.  Three to four feet of ponding water in a field in Diamondale damaged several pieces of farm equipment that were part of a farm implement show.
Interstate 69 was closed in Eaton County between Vermontville Highway and Windsor Road due to rapidly flowing water over the road.