There’s a heat wave coming. Here’s what you need to know
Extreme heat is coming this week in many parts of the United States. The Midwest and Northeast in particular will see weather that puts them in the National Weather Service’s highest heat risk category — when lack of cooling or hydration can put almost anyone in harm’s way.
It’s a new labeling system for the NWS, which launched the experimental rating at the end of April with the Centers for Disease Control and Prevention in response to the growing danger of extreme heat. Last year was the hottest in 2,000 years here in the northern hemisphere.
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