Dangerous Heat Days Are Expanding Beyond Summer, with Regional Spring-Fall Shifts

New study reveals extreme heat seasons are expanding symmetrically

Extreme heat has become more common-both research and lived experience document this-but when it arrives is a different question.

Dangerous Hot Days Are Spreading Beyond Summer

Extreme heat has become more common. A new study finds that rather than occurring only during warm seasons, extreme heat events have become more frequent in the months before and after, too.

Dangerous heat days are expanding beyond summer, with regional spring-fall shifts

Extreme heat has become more common—both research and lived experience document this—but when it arrives is a different question. A new study finds that, rather than occurring only during warm seasons, extreme heat events have become more frequent in the months before and after, too.