America could break new temperature records, At a wide area to the west and some 30 million people suffer from a heat wave, The The second in a few weeks.
The The thermometer rose over the weekend across most of the Pacific Coast And the interior of Western boundary of the Rocky Mountains, with higher forecasts for Sunday.
according to him National Meteorological Service (NWS), Las Vegas returned to its all-time high by reaching 47.2°C, a sign that first reached the city in the middle of the Nevada desert in 1942 And three times since then 2005.
Meteorologists have issued a bulletin Urban area warning, as well as many other urban centers, including Phoenix (south) and Saint Joseph, In the In the middle of Silicon Valley, not 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 It comes less than three weeks after it last 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 The number of deaths resulting from this first wave is not yet known precisely, but it is estimated at several hundred.
Last month was the hottest ever in June North AmericaAccording to data published by the European Union Climate Watch Service.
Why are temperatures rising on the planet?
Until now , Human activity has caused the global temperature to rise by 1.1°CThis has led to more devastating storms, intense heat waves, droughts and increased wildfires.
to me 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.