Tuesday, 21 July 2026Clear-eyed news, from daybreak on.
DaybreakWire
Independent news, around the clock
Topic

Excessive heat warning

A person shields themselves with an umbrella during a heat advisory in Central Park, New York City.

Heat Advisory vs. Excessive Heat Warning: What the Words Mean

The same alert can mean 100 degrees in one city and 105 in the next, because heat-index thresholds are set locally, not nationally.

Climate  · 20 Jul 2026, 19:33  · Maya Calder