Six tornadoes struck southwest Michigan on August 20th.  An EF-1 tornado touched down just southwest of Bangor on August 20th and tracked northeast through town. The entire city lost power as well as hundreds of trees. Multiple structures in Bangor were damaged as well.
The second tornado of the day began 6 miles southeast of Fennville and tracked to 4 miles northeast of Hamilton and was rated EF-1.  The day's third tornado, also rated EF-1, began 2 miles northwest of Burnips in extreme north-central Allegan County and tracked to 2 miles southeast of Jamestown in extreme southeast Ottawa County.
The day's fourth tornado was rated an EF-0 and touched down near 44th Street and Ivanrest Ave SW in Grandville and continued on the ground along a varying path through Grandville and Wyoming before lifting near the intersection of Nagel Avenue SW and Chicago Drive SW.  The fifth tornado was also an EF-0 and it touched down in Kent County near Perkins Avenue NE between Leonard Street NE and Knapp Street NE.
The final tornado of the day was an EF-1 that touched down just east of the small town of Orleans and moved northeast where it crossed M-44.  It crossed into Montcalm county from Ionia county before lifting near Sheridan.

Tornado in OTTAWA, MICHIGAN
From 20-AUG-16 13:18:00 to 20-AUG-16 13:26:00 (EST-5)
Location: GITCHEL
Tornado F-scale: EF1
Property damage: 500.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The day's third tornado, also rated EF-1, began 2 miles northwest of Burnips and tracked to 2 miles southeast of Jamestown in extreme southeast Ottawa County, causing heavy tree damage.

Tornado in KENT, MICHIGAN
From 20-AUG-16 13:34:00 to 20-AUG-16 13:44:00 (EST-5)
Location: GRANDVILLE ARPT
Tornado F-scale: EF0
Property damage: 500.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The fourth tornado of the day was an EF-0 in southwestern Kent county.  Along the path, hundreds of trees were damaged or knocked over resulting in tens of thousands of power outages. Many homes and a number of vehicles were damaged from fallen trees.
A couple notable locations the tornado moved through include the Wyoming Middle School football field where a set of football field goal posts were bent by soccer goals, and Battjes Park and Prairie Park where a number of trees were damaged or uprooted.

Tornado in IONIA, MICHIGAN
From 20-AUG-16 14:10:00 to 20-AUG-16 14:25:00 (EST-5)
Location: ORLEANS
Tornado F-scale: EF1
Property damage: 750.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Tornado damage began just east of Orleans and moved northeast where it crossed M-44, bringing several large trees down, one of which fell on a house. The tornado then crossed West Long Lake Road where the concrete block wall of a garage was blown out and the wind peeled shingles off the roof of a house.
A path of tree damage about a hundred yards wide continued to the northeast and narrowed. The last damage noted was a few downed trees on East Boyer Road
about 3.5 miles southeast of Sheridan.

Thunderstorm Wind in KENT, MICHIGAN
From 20-AUG-16 14:50:00 to 20-AUG-16 14:52:00 (EST-5)
Location: NORTH BYRON
Magnitude: 87.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

National Weather Service damage surveys identified areas of straight line wind damage in Kent County from August 20th storms with estimated winds of around 100mph.  A small area of wind damage caused by estimated 100 mph winds was
found near M6 between Ivanrest Ave SW and Kenowa Avenue SW.
Ironwood Golf Course saw the worst of the damage losing a significant number of large trees. North of M6 just west of Wilson Ave SW along 64th Street, a number of very large trees were uprooted causing significant damage to one home.

Tornado in ALLEGAN, MICHIGAN
From 20-AUG-16 12:13:00 to 20-AUG-16 12:31:00 (EST-5)
Location: KIBBIE
Tornado F-scale: EF1
Property damage: 2.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-1 tornado touched down just southwest of Bangor on and tracked northeast.  The entire city lost power as well as hundreds of trees. Multiple structures in Bangor were damaged as well. Roof damage was noted on Main Street. New Beginning         Ministries and the Bangor Police Department sustained damage.
The tornado then tracked further northeast, causing significant damage at True Blue Farms along County Road 215 and the Columbia Township Hall in Grand Junction. The tornado tracked into extreme southern Allegan County before lifting about 2.5 miles northeast of Grand Junction on 103rd Ave west of 52nd Street.

Tornado in KENT, MICHIGAN
From 20-AUG-16 13:50:00 to 20-AUG-16 13:52:00 (EST-5)
Location: GRAND RAPIDS
Tornado F-scale: EF0
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief EF-0 tornado touched down in Kent County near Perkins Avenue NE between Leonard Street NE and Knapp Street NE. Tree damage and some property damage from fallen trees occurred as the result of this brief tornado.

Tornado in ALLEGAN, MICHIGAN
From 20-AUG-16 12:42:00 to 20-AUG-16 13:10:00 (EST-5)
Location: BRAVO
Tornado F-scale: EF1
Property damage: 1.50M
Crop damage: 0.00K
Reported by: NWS Storm Survey

The second tornado of the day began 6 miles southeast of Fennville and tracked to 4 miles northeast of Hamilton and was also rated EF-1 and caused heavy tree damage along it's path.