Definition of extreme events

Extreme events are generally easy to recognize but difficult to define. This is due to several reasons. First, there is no unique definition for what is meant by the word extreme several definitions are in common use. Second, the concept of extremeness is relative and so strongly depends on context. Third, the words severe, ''rare,'' ''extreme,'' and high-impact are often used interchangeably. 1.2.1 Severe, rare, extreme, or high-impact In an attempt to alleviate some of the confusion, here are...