In the United States, a night-time <a href="https://en.wikipedia.org/wiki/Fujita_scale" id="mw6A" rel="mw:WikiLink" title="Fujita scale">F5</a> <a href="https://en.wikipedia.org/wiki/Tornado" id="mw6Q" rel="mw:WikiLink" title="Tornado">tornado</a> strikes the small city of <a href="https://en.wikipedia.org/wiki/Udall,_Kansas" id="mw6g" rel="mw:WikiLink" title="Udall, Kansas">Udall, Kansas</a> as part of <a href="https://en.wikipedia.org/wiki/1955_Great_Plains_tornado_outbreak" id="mw6w" rel="mw:WikiLink" title="1955 Great Plains tornado outbreak">a larger outbreak across the Great Plains</a>, killing 80 and injuring 273. It is the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S.