A seasonably strong shortwave rotated over the Great Lakes to produce a second round of severe thunderstorms across all of northern Michigan during the afternoon and evening of 8/11. The strongest storms tracked over and east of Kinross, MI and over the M-32 corridor from the Gaylord area into Alpena.

Thunderstorm Wind in ALPENA, MICHIGAN
From 11-AUG-21 18:06:00 to 11-AUG-21 18:06:00 (EST-5)
Location: SPRATT
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Reports of trees downed near Spratt.

Thunderstorm Wind in ALPENA, MICHIGAN
From 11-AUG-21 18:15:00 to 11-AUG-21 18:15:00 (EST-5)
Location: KERSTON
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Social media report of multiple trees down on Indian Reserve Rd south of KAPN.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 11-AUG-21 17:18:00 to 11-AUG-21 17:18:00 (EST-5)
Location: ELMIRA
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees downed near Estelle RD and Van Tyle RD.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 11-AUG-21 17:23:00 to 11-AUG-21 17:23:00 (EST-5)
Location: GAYLORD
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down near Parmater RD and Pyke School RD.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 11-AUG-21 17:30:00 to 11-AUG-21 17:30:00 (EST-5)
Location: JOHANNESBURG
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees downed near M-32 and Rock Rd.

Thunderstorm Wind in GRAND TRAVERSE, MICHIGAN
From 11-AUG-21 16:50:00 to 11-AUG-21 16:50:00 (EST-5)
Location: WILLIAMSBURG
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees downed in Williamsburg.

Thunderstorm Wind in OSCODA, MICHIGAN
From 11-AUG-21 17:37:00 to 11-AUG-21 17:37:00 (EST-5)
Location: RED OAK
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Lots of tree damage across northwest Oscoda county.

Thunderstorm Wind in CHIPPEWA, MICHIGAN
From 11-AUG-21 14:55:00 to 11-AUG-21 14:55:00 (EST-5)
Location: PICKFORD
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Public

Social media reports with pictures showing house siding and horse shelter roof blown off.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 11-AUG-21 17:25:00 to 11-AUG-21 17:25:00 (EST-5)
Location: WATERS
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree down on top of vehicle.

Thunderstorm Wind in CHEBOYGAN, MICHIGAN
From 11-AUG-21 16:42:00 to 11-AUG-21 16:42:00 (EST-5)
Location: BURT LAKE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Multiple reports of trees down on SW side of Burt Lake.

Thunderstorm Wind in CHIPPEWA, MICHIGAN
From 11-AUG-21 14:50:00 to 11-AUG-21 14:50:00 (EST-5)
Location: COTTAGE PARK
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Drone pictures show numerous trees down about 1/4 mile west of M-129 on M-80.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 11-AUG-21 17:25:00 to 11-AUG-21 17:25:00 (EST-5)
Location: WATERS
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree down on top of vehicle.

Thunderstorm Wind in CHIPPEWA, MICHIGAN
From 11-AUG-21 15:00:00 to 11-AUG-21 15:00:00 (EST-5)
Location: NEEBISH
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Drone footage of a swath of trees downed.

Thunderstorm Wind in CHIPPEWA, MICHIGAN
From 11-AUG-21 14:49:00 to 11-AUG-21 14:49:00 (EST-5)
Location: (CIU)CHIPPEWA CO ARP
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS station KCIU Kinross - Chippewa County International Airport.

Thunderstorm Wind in ALPENA, MICHIGAN
From 11-AUG-21 18:03:00 to 11-AUG-21 18:03:00 (EST-5)
Location: LACHINE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Reports of trees downed near Lachine.

Tornado in CHIPPEWA, MICHIGAN
From 11-AUG-21 15:04:00 to 11-AUG-21 15:08:00 (EST-5)
Location: MUNNSCONG
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A brief EF-0 tornado was analyzed in satellite imagery by the Northern Tornadoes Project of Canada.  Damage was limited to trees on Neebish Island.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 11-AUG-21 18:23:00 to 11-AUG-21 18:23:00 (EST-5)
Location: GAYLORD
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees damaged.

Thunderstorm Wind in MONTMORENCY, MICHIGAN
From 11-AUG-21 17:44:00 to 11-AUG-21 17:44:00 (EST-5)
Location: ATLANTA MUNI ARPT
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: NWS Employee

Trees of 6-8 inches in diameter downed.

Thunderstorm Wind in MONTMORENCY, MICHIGAN
From 11-AUG-21 17:51:00 to 11-AUG-21 17:51:00 (EST-5)
Location: ATLANTA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Widespread tree damage across Montmorency county per law enforcement.