2023-07-15 20:15:11
“Several temperature records are likely to be recorded, and air quality problems will be common,” said the country’s National Meteorological Service.
Courtesy: USA Today
Western and much of southern USA endure this weekend a “extremely dangerous” heat wave with temperatures up to 47 degrees centigrade in some cities. He National Metereological Service US (NWS) said in a statement this morning that “an overwhelming and extremely dangerous heat wave is expected to hit the west this weekend, as well as parts of the on“.
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“Several temperature records are likely to be recorded, and air quality issues will be common in many regions of the United States”the NWS added. More of 90 million Americans They are in areas that are under a high temperature advisory, and the heat is expected to “remain stationary over (these regions) for the next few days,” the NWS forecast.
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In Phoenixcapital of Arizonaone of the most affected states, were expected 47°C late in the followingnoon, on what was to be the 16th consecutive day of highs above 43°C. Part of that state located in southwestern The United States is under a “magenta” alert levela “rare and/or long-term extreme heat level” that represents the highest level in the NWS.
As of 6pm ET this evening, the widespread and extensive nature of excessive heat warnings and heat advisories cover over 100 million people. This weekend the sweltering and dangerous heat will remain in the forecast, especially across much of the West. Practice heat safety! pic.twitter.com/a26ZBjKQ93
— National Weather Service (@NWS) July 14, 2023
In the south of California (west), firefighters have been fighting several very violent fires since Friday that razed more than 1,214 hectares and caused the evacuation of the population. According to the climatologist Daniel Swain, from the University of California at Los Angeles, the level of mercury in the death Valley it might match or even exceed the highest air temperature ever reliably recorded on Earth, that is, 54.4°C recorded at the same location in 2020 and 2021.
Other regions of the United States are also at risk from severe weather. “Strong to violent thunderstorms, torrential rains, and flooding are possible in several locations, particularly and unfortunately in New England, already saturated” from recent rainfall, according to the NWS. This region of the northeast of the country, and in particular the state of Vermont, suffered “historic and catastrophic” flooding this week as a result of torrential rains.
What is causing the heat wave in the United States?
According to the expertsgreenhouse gas emissions are increasing the strength, duration, and frequency of heat waves. The US Environmental Protection Agency (EPA) remarked that “heat waves are occurring more frequently than ever in major US cities.”
“Its frequency has increased steadily, from an average of two heat waves a year in the 1960s to six a year in the 2010s and 2020s,” he said. Besides, the fires in Canada once once more sent columns of smoke towards the neighbor to the south and several northern US states, such as Montana and North Dakota, had “harmful” levels of air quality.
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