The thermometer rose over the weekend over much of the Pacific coast and inland to the western limit of rocky mountains, with higher forecasts for Sunday.
According to the National Weather Service (NWS), Las vigas It equaled an all-time high of 47.2 degrees Celsius, a mark the city in the middle of the Nevada desert first reached in 1942 and three times since 2005.
Meteorologists have issued a warning for the metropolitan area, as well as several other urban centers, including Phoenix (south) and San Jose, downtown. Silicon ValleyNot far from San Francisco.
“More than 30 million people remain under severe heat alerts or heat warnings,” the NWS said Saturday, adding that dangerously high temperatures and dry conditions were expected to continue Sunday.
This new heat wave comes less than three weeks after another wave hit the western United States and Canada. At the end of June, with record high temperatures for three consecutive days in the Canadian province of British Columbia.
The number of deaths from this first wave is not yet known precisely, but is estimated to be in the hundreds.
Last month was the hottest ever in North AmericaAccording to data published by the European Union Climate Watch Service.
So far, human activity has caused the global temperature to rise by about 1.1°C, leading to more destructive storms, intense heat waves, droughts, and an increase in wildfires.
According to the World Meteorological Organization (WMO) and the British Meteorological Service, there is a 40% chance that the average annual global temperature will temporarily exceed 1.5 degrees above pre-industrial temperatures in the next five years.
The last six years until 2020 are the hottest ever.