Tornado outbreak and floods of April 27–30, 2014
A relatively widespread, damaging, and deadly tornado outbreak and severe flooding struck the central and southern United States in late April 2014, with the bulk of the activity occurring on April 27 and 28. The storm complex responsible for the outbreak produced multiple long-track and intense to violent tornadoes – seven of which were deadly, causing 35 fatalities.
Source: Wikipedia — Tornado outbreak and floods of April 27–30, 2014 (CC BY-SA 4.0)