In recent days, there has been talk of Low temperatures That was introduced in United State And north Mexico, That caused blackouts and snowfall; Experts call Polar vortex.
In this regard, the United States National Oceanic and Atmospheric Administration Office General A series of pictures where this appears Polar vortex Above the affected areas, practically all of North America.
In the United States there is Strong frosting Which left nearly 24 dead and thousands affected; Not to mention the constant power cuts.
Meanwhile in Mexico, Low temperatures They went 14 people are lifeless.
According to the media agency EFEIn the last hours of Wednesday, 17 February, six new deaths were reported in several areas City of Juarez Chihuahua.
Governor of Texas, Greg Abbott, Issued a nationwide disaster declaration and the National Weather Service (NWS) warned that more than 150 million Americans will be subject to winter storm hours.
It was recorded on Monday due to bad weather in northern Mexico Blackouts That left more than 4 million people without electricity, according to the Federal Commission for Electricity (CFE).
Semi-governmental Made it known That at exactly 2:00 p.m. Wednesday, the electricity supply to users in states affected by the organized and scheduled outage was restored to 100%, and they confirmed that the blackout occurred to stabilize the national electricity system.
What is a polar vortex?
to me National Weather Service, The Polar vortex Is an area Low pressure and cold air that surrounds the Earth’s poles. It does not disappear at any time, it is always there, but it works differently in each season of the year, for example, when summer arrives, its strength is weakened by high temperatures, while in winter it is greatly enhanced.
a Polar vortex It has a similar movement to the top of the spindle, but counterclockwise creates enough force so that the cold remains near the poles, although it sometimes expands and sends the cold air south.
Climate experts connect them Cold waves The extreme that comes from North Pole And they arrived in the United States. However, it is not the only region affected by the low temperatures that the polar vortex can cause, because as it increases in strength, it can send its cold to parts of Europe and Asia.
Winter 2020/2021: Evolution of the Polar Vortex in the Middle Stratosphere
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