Event Date Country Description 2021 South Moravia tornado Czech Republic A small but significant tornado outbreak swept across the Czech Republic on 24 June, resulting in the strongest ever documented tornado in modern Czech history and the deadliest European tornado since 2001. Tornado outbreak of December 10–11, 2021 10—11 December 2021 United States Tornado activity swept the southern and midwestern United States in the evening of 10 December through the following morning. Arkansas, Missouri, and Kentucky suffered extensive damage.
Event Date Country Description 2021 South Moravia tornado Czech Republic A small but significant tornado outbreak swept across the Czech Republic on 24 June resulting in the strongest ever documented tornado in modern Czech history and the deadliest European tornado since 2001 Tornado outbreak of December 10–11 2021 10—11 December 2021 United States Tornado activity swept the southern and midwestern United States in the evening of 10 December through the following morning Arkansas Missouri and Kentucky suffered extensive damage