Extreme heat is the deadliest weather hazard in the United States, according to official data, with the elderly, the very young, people with mental illness and chronic diseases at highest risk. Global surface temperatures have increased by about 2F (1.1C) since 1880, making extreme heat more frequent. Climate scientists are sounding alarm about the impact of human-caused global warming, and warning 2023 is on track to be the warmest since records began. Satya Soviet Patnaik shields himself from the sun while waiting in line to take a photo at the historic Welcome to Las Vegas Sign during a heat wave in Las Vegas, Nevada, on July 14, 2023. The heat is expected to continue across the region through at least July 28, and overnight temperatures will provide very little relief, the National Weather Service warned. There have been heat alerts for dangerously high temperatures in the Southwest – stretching from Texas to Arizona – for 38 consecutive days dating back to June 10.Īnd the streak shows no signs of ending any time soon. It’s not just Arizona sweltering in the intense heat: Over 90 million people are under heat advisories across the United States, including at least 50 million who have been under heat alerts for the past 10 days. Phoenix has a total of 60 hydration stations, 30 cooling centers and four respite centers for those needing heat relief, Kelly Taft, communications director for Maricopa Association of Governments, told CNN. With residents cranking up their air conditioning this heat wave, Arizona Public Service utility customers’ demand on Saturday set the record for the most electricity used at once in the utility’s history, according to a news release from the company. Heat is the number one killer of all natural disasters, studies show, and as temperatures continue to rise, scientists expect it to make even more people ill. “The hospital has not been this busy with overflow since a few peaks in the Covid pandemic.” “The heat is taking a major toll,” emergency room doctor Frank LoVecchio from Valleywise Health Medical Center told CNN. The dangerously hot temperatures are also taxing hospitals as people suffering from heat-related illnesses seek treatment. What record warm ocean temperatures could mean for hurricane season
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