"Record-Breaking Heatwave Sweeps Across U.S. Southwest, Posing Extreme Danger"

The Southwest United States is experiencing a prolonged heat wave, with temperatures forecasted to reach triple digits and potentially become the longest heat wave on record. Global average temperatures have also been setting records, with last week seeing four consecutive days of record-breaking or tied temperatures. Climate change and the El Niño climate pattern are contributing to the severity and frequency of heat waves. Heat index values could exceed 110 degrees in parts of southern Florida, South Texas, and desert regions. Extreme heat poses a significant risk to vulnerable populations, and heat-related illnesses have been on the rise. Other regions around the world, including China, Japan, northern Africa, and southern Europe, are also experiencing record-breaking heat. Additionally, the waters around Florida are significantly warmer than usual, which can impact hurricane formation and marine ecosystems.