extreme heat event

American  

[ik-streem heet i-vent] / ɪkˈstrim ˈhit ɪˌvɛnt /

noun

Meteorology, Climatology.

1. a heat event classified as being excessive enough to pose a serious threat to public health: EHE

   Hospitals have been forced to pay particular attention to assessing extreme heat events and other climate-specific risks.

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Etymology

Origin of extreme heat event

First recorded in 1985–90

Example Sentences

An extreme heat watch is issued when “conditions are favorable for an extreme heat event but its occurrence and timing is still uncertain.”

From Los Angeles Times • Mar. 14, 2026

The city of Phoenix and the Maricopa Association of Governments established a heat-relief network in 2005, following an extreme heat event that killed 35 people over nine days.

From Seattle Times • Aug. 2, 2021

“An extreme heat event that would have been 100 degrees is now 102.5 or 103 degrees, and that is actually a pretty big difference in terms of the impacts on people.”

From Los Angeles Times • Sep. 13, 2020

The Weather Service office in Los Angeles described Sunday’s heat as “kiln-like,” predicting a “dangerous to potentially deadly” extreme heat event.

From Washington Post • Sep. 6, 2020

We found that, with an increase of three degrees C, a once-in-30-year extreme heat event would lead to nearly 1,350 heat-related deaths per city, on average, assuming today’s population.

From Scientific American • Jun. 4, 2019