Tornado outbreak of April 13–16, 2012
From April 13 to 16, 2012, a major tornado outbreak occurred across a large portion of the Great Plains. The storms resulted in six tornado-related fatalities, all of which occurred as a result of a nighttime EF3 tornado that caused major damage in and around Woodward, Oklahoma.
Source: Wikipedia — Tornado outbreak of April 13–16, 2012 (CC BY-SA 4.0)