Amritsar, India, is one place that has reeled under higher than normal heat and humidity. By Warren CornwallFrom the shores of the Persian Gulf to the foothills of Mexico’s Sierra Madre Occidental mountains, hot weather is reaching levels humans can’t endure.
An analysis of four decades of data from thousands of weather stations shows that a handful of hotspots around the globe are experiencing a potentially lethal mix of heat and humidity—something most of these places weren’t expected to experience until midcentury.“Previous studies projected that this would happen several decades from now, but this shows it's happening right now,” says Colin Raymond, a postdoctoral researcher at NASA’s Jet Propulsion Laboratory who led the study.Hot