Summer's starting with an extreme heat dome over much of the... — National Geographic (@NatGeo)

National Geographic@NatGeo·2 de jul.

Summer's starting with an extreme heat dome over much of the U.S.—a weather pattern that traps hot air and pushes temperatures to dangerous highs. As heat domes last longer and hit harder than they used to, triple-digit temperatures are expected to affect millions this year. 🔗 www.nationalgeographic.com/environment/art...