Tornado outbreak of May 4–6, 2007

From May 4–6, 2007, a major and damaging tornado outbreak significantly affected portions of the Central United States, with several strong to violent long-track tornadoes occurring across much of the impacted regions. The Storm Prediction Center (SPC) issued a moderate risk of severe thunderstorms for May 4 over portions of Central Nebraska, Western Kansas, Western Oklahoma, Eastern Colorado and portions of the Texas Panhandle.

Source: Wikipedia — Tornado outbreak of May 4–6, 2007 (CC BY-SA 4.0)