There's a heat wave in the eastern two-thirds of the United States that's likely to continue into August, along with a widespread lack of rain that's created severe drought conditions. What does it mean for the future? Every 10 years the National Oceanic and Atmospheric Administration recalculates "climate normals," 30-year averages of temperature and precipitation for 7500 US locations. Climate Central meteorologist Heidi Cullen, author of The Weather of the Future, says the latest report offers "a fascinating and disturbing snapshot of a restless climate."
