A surface low moved eastward across northern Lake Huron to the eastern shore of Georgian Bay during the afternoon through early evening of the 21st. Simultaneously, the trailing cold front swept generally eastward from western Ohio to far-southwestern New York and the Ohio/West Virginia border. A quasi-linear convective system (i.e. QLCS) accompanied the cold front as the front encountered a high-shear/low-CAPE environment within the warm sector.
The high-shear/low-CAPE environment consisted of moderate to strong effective bulk shear of about 40 to 50 knots, 0-0.5 km AGL effective storm-relative helicity exceeding 100 meters squared per second squared, MUCAPE less than 1000 J/kg, mixed-layer LCL heights less than 1000 meters AGL, and weak DCAPE less than 500 J/kg. As a result, the QLCS consisted of a mix of low-topped supercells and multicells. Despite weak MUCAPE, the volatile kinematic environment and low LCL heights in northeast Ohio allowed some mesocyclones and mesovortices to become tornadic. A total of eight tornadoes occurred. In addition to the tornadoes, isolated straight-line wind damage happened and was likely the result of enhanced outflow accompanying mesovortices.

Tornado in LAKE, OHIO
From 21-OCT-21 15:49:00 to 21-OCT-21 15:50:00 (EST-5)
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A brief EF1 tornado with estimated maximum winds of 97 mph moved generally east-northeastward in Wickliffe. The tornado began on Briar Court, where it caused significant damage to a home and produced minor damage to roofs and siding of adjacent homes. As the tornado continued to Fairway Drive, several hardwood trees were snapped. The tornado then advanced to Pine Ridge Country Club, where additional trees were damaged before the tornado dissipated.

Tornado in STARK, OHIO
From 21-OCT-21 16:10:00 to 21-OCT-21 16:15:00 (EST-5)
Tornado F-scale: EF1
Reported by: NWS Storm Survey

An EF1 tornado with estimated maximum winds of 110 mph moved generally east-northeastward in Jackson Township. This tornado began in North Park, where trees, recreational buildings, and a large garage were damaged. As the tornado progressed, it damaged a business along Wales Avenue Northwest and then produced intermittent tree damage all the way to Lake Cable. After crossing the lake, the tornado produced minor tree damage near Stark State College before dissipating near I-77.

Tornado in SUMMIT, OHIO
From 21-OCT-21 16:08:00 to 21-OCT-21 16:11:00 (EST-5)
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A brief EF0 tornado with estimated maximum winds of 80 mph moved generally east-northeastward in Hudson. This tornado began southwest of the intersection of OH-91 and Middleton Road. The tornado produced intermittent tree damage as it moved toward the Country Club of Hudson. This tornado then dissipated southeast of the golf course.

Tornado in TRUMBULL, OHIO
From 21-OCT-21 17:15:00 to 21-OCT-21 17:17:00 (EST-5)
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A brief EF1 tornado with estimated maximum winds of 104 mph moved generally eastward in Mecca. This tornado began just east of Mosquito Creek Lake. The tornado damaged several residences on Griffith and Edgewater Drives. One of these homes suffered major damage to its attached garage. Several trees were snapped or uprooted along the tornado's path before the tornado dissipated east of Philips Rice Road.

Tornado in TRUMBULL, OHIO
From 21-OCT-21 17:20:00 to 21-OCT-21 17:21:00 (EST-5)
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A very brief EF0 tornado with estimated maximum winds of 80 mph moved generally east-northeastward in Johnston Township. The tornado caused tree damage along Porter Drive.

Tornado in PORTAGE, OHIO
From 21-OCT-21 16:21:00 to 21-OCT-21 16:22:00 (EST-5)
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A very brief EF0 tornado with estimated maximum winds of 75 mph moved generally eastward in Aurora. This tornado began west of a large four-story building northwest of the intersection of Lena Drive and Page Road. As the tornado traversed the building and its parking lot, a rooftop AC unit was blown over, some roof damage occurred, and tree limbs were snapped and scattered across the parking lot before the tornado dissipated.

Tornado in MEDINA, OHIO
From 21-OCT-21 15:44:00 to 21-OCT-21 15:45:00 (EST-5)
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A very brief EF0 tornado with estimated maximum winds of 80 mph moved east-northeastward in Seville. The tornado began just west of Rawiga Road and left a spiraling damage path in a corn field before dissipating.

Thunderstorm Wind in PORTAGE, OHIO
From 21-OCT-21 16:34:00 to 21-OCT-21 16:34:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Trees down at OH-82 and Sheldon Road in Mantua area.

Thunderstorm Wind in ASHLAND, OHIO
From 21-OCT-21 15:01:00 to 21-OCT-21 15:01:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Fence damaged and shingles ripped from shed's roof near Township Road 902 and OH-89 on south side of Polk. Pictures of damage received on Facebook.

Tornado in MEDINA, OHIO
From 21-OCT-21 15:36:00 to 21-OCT-21 15:42:00 (EST-5)
Tornado F-scale: EF1
Reported by: NWS Storm Survey

An EF1 tornado with estimated maximum winds of 97 mph moved generally eastward in Hinckley Township. The tornado began in a residential neighborhood of Turnstone Court, where it damaged the garage door, roof, and siding of a home. As the tornado progressed to Stony Hill Road, it downed several trees. Intermittent tree damage then occurred before the tornado dissipated in Hinckley Reservation of the Cleveland Metropark System.