What are ‘heat storms’?
Climate researchers are proposing the term 'heat storms' to describe prolonged, cascading heat events that can last for months. This shift in terminology aims to better communicate the severity of global warming compared to the traditional 'heat wave' label.
Why it matters
Reframing climate terminology helps the public better grasp the evolving, long-term risks associated with global temperature increases.
What are ‘heat storms’? left People sit in the shade on the Spanish Steps during a heatwave in Rome, Italy, August 3, 2026. REUTERS REUTERS https://th-i.thgim.com/public/incoming/f66r65/article71604483.ece/alternates/FREE_1200/2026-10-20T100323Z_251354608_RC21RMAIN4WC_RTRMADP_3_CLIMATE-HEAT-STORMS-SCIENCE.JPG REMO CASILLI FILE PHOTO: People sit in the shade on the Spanish Steps during a heatwave, as temperatures are expected to rise further in the coming days, in Rome, Italy, August 3, 2026. REUTERS/Remo Casilli/File Photo A consultation with two dozen climate researchers and an analysis of temperatures worldwide for for every hour since 1960 has yielded a new concept Heat waves have evolved from sporadic, isolated episodes to massive, cascading weather events that can blanket vast swaths of the planet for months or even years at a time. To continue calling such sprawling phenomena ‘heat waves’ would be like calling a monsoon a ‘rain shower’.
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