A quasi linear convective system (QLCS) produced wind damage along a fifty mile long and a half to 5 mile swath that cut through parts of downtown Grand Rapids.  Significant wind damage was observed within to just east of the city.  The most intense damage occurred at Belknap apartments in downtown Grand Rapids where two thirds of the roof was ripped off of the three story complex. There was also scattered tree damage and a few shingles missing from houses near the apartment complex. A microburst containing winds of up to around 100 mph caused the damage. Additional significant damage was noted about 1.5 miles east of the Belknap apartments where several buildings incurred significant damage.  Hundreds of trees were either snapped off or uprooted.

Hail in MONTCALM, MICHIGAN
From 11-SEP-19 17:42:00 to 11-SEP-19 17:45:00 (EST-5)
Location: VESTABURG
Magnitude: 1.50 
Property damage: 10.00K
Crop damage: 20.00K
Reported by: Public

Hail up to one and a half inches in diameter was reported near Vestaburg.

Thunderstorm Wind in NEWAYGO, MICHIGAN
From 11-SEP-19 16:00:00 to 11-SEP-19 16:00:00 (EST-5)
Location: WOODVILLE
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An emergency manager reported that scattered trees were blown down along Poplar Road between Van Buren and 6 Mile Road.

Thunderstorm Wind in OTTAWA, MICHIGAN
From 11-SEP-19 18:37:00 to 11-SEP-19 18:37:00 (EST-5)
Location: PENN JCT
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Several trees were blown down and uprooted near Pine Junction.

Thunderstorm Wind in EATON, MICHIGAN
From 11-SEP-19 19:25:00 to 11-SEP-19 19:30:00 (EST-5)
Location: WOODBURY
Magnitude: 65.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

There were two houses that sustained damage in the form of broken windows and lost roofing and shingle damage.

Thunderstorm Wind in IONIA, MICHIGAN
From 11-SEP-19 19:10:00 to 11-SEP-19 19:30:00 (EST-5)
Location: SARANAC
Magnitude: 70.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Public

The public reported that a large barn was blown off it's foundation and there was minor damage to a small barn in the same area near Woodbury. Scattered wind damage was also noted from southeast of Lowell to Lake Odessa in the form of scattered downed trees and limbs.

Tornado in KENT, MICHIGAN
From 11-SEP-19 18:43:00 to 11-SEP-19 18:44:00 (EST-5)
Location: GRAND RAPIDS
Tornado F-scale: EF0
Reported by: NWS Storm Survey

Apartment building on Fairview Ave NE just east of Division Street had roofed peeled off. Roof landed on homes immediately to the east of the apartment building.

Thunderstorm Wind in KENT, MICHIGAN
From 11-SEP-19 18:40:00 to 11-SEP-19 18:55:00 (EST-5)
Location: LEONARD HGTS
Magnitude: 87.00 EG
Property damage: 1.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

NWS storm surveys confirmed that a quasi linear convective system produced significant wind damage in and just east of Grand Rapids.  The survey team estimated that microbursts containing winds of up to 100 mph caused the damage.  Damage included significant roof damage to the Belknap apartment complex and significant damage in a subdivision a mile and a half east of Belknap apartments. Some building damage also occurred due to falling trees and many roads were blocked due to downed trees and power lines.

Thunderstorm Wind in KENT, MICHIGAN
From 11-SEP-19 18:55:00 to 11-SEP-19 19:05:00 (EST-5)
Location: CASCADE
Magnitude: 87.00 EG
Property damage: 500.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

NWS storm surveys in eastern Kent county found that hundreds of trees were either snapped or uprooted across three distinct swaths near Ada and Forest Hills.  Some building damage occurred as a result of falling trees and many roads were blocked by downed trees and power lines.