Tornado outbreak of August 21-22, 2020

the Tornado outbreak of August 21-22, 2020 was a unusually prolific August tornado outbreak that impacted primarily the Ohio River Valley during the afternoon hours of August 21 into the early morning hours of August 22, 2020. It was the most prolific tornado outbreak ever recorded in the month of August, as in just 12 hours, 41 tornadoes touched down across the region.

Of these, 20 of them were rated EF2 or higher, and 2 of them were rated EF4. Despite this, it was primarily a damaging wind event, with widespread 90+ mph winds occurring across the impacted areas in a derecho event.

Meteorological history
A long lived low pressure system provided unusually hot conditions across the Midwestern United States through mid August 2020. Temperatures during this period rose from a average high of 91°F to a average high of 103°F.

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