Large destructive tornado touches down around 11 pm June 20th outside of Enderlin, ND. (Max Mueller/KVRR)FARGO, N.D (KVRR) — Cass County Sheriff’s Office has released the names of three people killed by a tornado late Friday night.

While North Dakota sees an average of about 23 tornadoes a year, fatalities are rare, National Weather Service data indicates. The last tornado to claim three or more lives in the state was a July 4, 1978, storm that killed five people in Elgin. It was recorded as an F4.

Six people died over the weekend when tornadoes wreaked havoc in New York and North Dakota. Wind speeds topped 100 mph in each storm. In North Dakota, three tornadoes in the eastern part of the state tore down trees,