GENEVA (AP) – The United Nations weather agency predicts that the phenomenon known as La Nina is set to last until the end of this year, a mysterious “triple plunge” – the first of this century – caused by three consecutive years of its effect on weather patterns such as drought and flooding around the world.
The World Meteorological Organization said today that La Nina conditions, which involve large-scale cooling of ocean surface temperatures, have strengthened in the eastern and central equatorial Pacific with increased trade winds in recent weeks.
The senior agency official was quick to warn that the “triple dip” does not mean global warming is abating.
“It is exceptional to have three consecutive years with a La Nina event. Its cooling influence is temporarily slowing the rise in global temperatures, but it will not halt or reverse the long-term warming trend,” the secretary said. WMO General, Petteri Taalas.
La Nina is a natural, cyclical cooling of parts of the equatorial Pacific that changes weather patterns around the world, as opposed to the warming caused by the better known El Nino – an opposite phenomenon. La Nina often brings more Atlantic hurricanes, less rain and more wildfires to the western United States, and agricultural losses to the central United States.
Studies have shown that La Nina costs more in the United States than El Nino.
Together, El Nino, La Nina and the Neutral Condition are called ENSO, which stands for El Nino Southern Oscillation, and they have one of the most significant natural effects on climate, sometimes increasing and sometimes mitigating the significant effects of climate change d human origin. from burning coal, oil and gas, say scientists.