More Than 30 Million in Southwest Brace for Dangerous Heat
Climate Signals summary: Temperatures are expected to exceed 100° in parts of the Southwestern U.S. this weekend. Heat waves like this are becoming hotter and more frequent due to human-caused climate change.
Dangerous and potentially deadly heat will settle over the Southwestern United States through much of the weekend, with temperatures in some locations expected to break records and exceed 100 degrees.
More than 30 million people in California, Nevada and Arizona are under some sort of heat-related alert through at least part of the weekend, the National Weather Service said. A heat wave is defined as a period of abnormally and uncomfortably hot and unusually humid weather that lasts for two or more days.
“Please protect yourself,” the Weather Service office in Phoenix warned residents, while the office in Sacramento said that the heat would affect everyone, not just people most sensitive to heat risk. Meteorologists in San Diego advised residents to learn the signs of heat exhaustion and heat stroke.
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