extreme event

American  

[ik-streem i-vent] / ɪkˈstrim ɪˈvɛnt /

noun

Meteorology, Climatology.

1. an episode of weather, climate, or environmental conditions that is severe and unexpected or abnormal for the location or season.

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Etymology

Origin of extreme event

First recorded in 1965–70

Example Sentences

While cracks may not show on an ordinary weather day, “the problem is when there is an extreme event or a disaster or an emergency,” he said.

From Los Angeles Times

Ceew estimates three out of every four Indian districts are "extreme event hotspots" and 40% exhibit what is called "a swapping trend" - which means traditionally flood-prone areas are witnessing more frequent and intense droughts and vice-versa.

From BBC

"We apologise for any inconvenience caused as a result of this unforeseen and extreme event. We have made this decision now in order to provide you with as much notice as possible to make alternative arrangements," the school posted.

From BBC

“It’s an extreme event that’s predicted.”

From Los Angeles Times

Ordinary stars produce lighter elements, but the ones heavier than iron are thought to require the explosive conditions of a supernova or some other extreme event.

From Science Magazine