Humidex Could Hit 45°C as Heat Dome Settles Over Eastern Canada, U.S.

A picture of rising heat on a thermometer and cities affected by the heat dome“A massive heat dome is settling over Eastern Canada and the Eastern and Midwestern United States this week, with weathercasters warning that temperatures will hit 35°C and humidity will make it feel much warmer… the heat warning will affect millions of people in Ontario, Quebec, New Brunswick, and Nova Scotia. The humidex—a reading that factors in the impact of humidity as well as heat—is expected to reach 40°C in Toronto, 41°C in Fredericton, and 45°C in some parts of Ontario. Ontario’s heat alert extends from Windsor as far north as Fort Albany, and from Ottawa to Sault Ste. Marie…. More than 600 people perished in the British Columbia heat dome in 2021, and poverty doubled the odds of dying.

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