It is characterized by a cooling of the surface of the Pacific Ocean, which generates a decrease in precipitation and can cause fires in several regions.
The National Oceanic and Atmospheric Administration (NOAA) of the United States alerted Argentina about the arrival of the La Niña atmospheric phenomenonplanned for the period of January to March 2025.
This phenomenon is characterized by a cooling of the surface of the Pacific Oceanwhich generates a decrease in precipitation and can cause fires in several regions, as has already happened in previous years.
La Niña is distinguished from El Niñoits opposite phenomenon, which is associated with heavy rains and possible flooding. Both phenomena alternate every 2 to 7 years, with harmful global effects, especially in the agricultural sector and in tourist areas such as Cordovawhere fires are already reported.
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Reuters
The story of La Niña dates from 1892-1893and after having affected the Peaceful for three consecutive years, gave way to El Niño in 2022.
The latter caused a rising global temperaturesleading to 2023 being the hottest year in recent history, according to the Copernicus Institute.
Important electrical activity and hail fall in several Argentine provinces
He National Meteorological Service (SMN) issued a yellow alert for storms for this Wednesday, November 20 in six provinces of Argentina.
The alert affects the south of Córdoba (at night), San Luis (afternoon and night), the entire province of Mendoza, except the mountain area (afternoon and night), west of La Pampa (afternoon and night), northeast of Neuquén (afternoon ) and the north of Río Negro (afternoon).
They are expected Isolated storms, some locally strong, with possible intense rain in short periods, intense gusts, electrical activity and hail.
Source: Ambito
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