Tornado outbreak of April 23, 2000
The Tornado outbreak of April 23, 2000, also known as the 2000 Easter Sunday tornado outbreak, occurred in the states of Oklahoma, Texas, Arkansas, and Louisiana on Easter Sunday, April 23, 2000. This severe weather occurrence was the result of a cold front moving through the area from North Texas and consisted of at least six supercell thunderstorms.
Source: Wikipedia — Tornado outbreak of April 23, 2000 (CC BY-SA 4.0)