Entenda o que é o fenômeno El Niño, que ganha força e acende sinal de alerta para Sul do Brasil

The El Niño phenomenon is gaining strength and is already raising a red flag for southern Brazil. But what exactly is this climatic phenomenon, and why does it worry meteorologists and authorities so much? El Niño is part of the so-called ENSO (El Niño-Southern Oscillation), one of the main phenomena influencing the global climate. It occurs when the waters of the Equatorial Pacific Ocean become warmer than normal, altering wind and rainfall patterns in various parts of the planet. The cycle also includes La Niña, marked by the cooling of the waters, and a neutral phase. 💙 Become a member of the O POVO channel on YouTube and get benefits. SEE HOW:    / @opovo   ▶️ Follow the day's top news on O POVO News, 1st edition at 8 am and 2nd edition at 6 pm, Monday to Friday, here on O POVO's YouTube channel:    • O POVO News | CORTES   📰 Check out the day's highlights and more information on the O POVO website: https://www.opovo.com.br SOCIAL MEDIA Twitter:   / opovo   Facebook:   / opovo   Instagram:   / opovoonline   LinkedIn:   / opovoonline   GET TO KNOW O POVO+ Columnists, Reports, Series and Documentaries all in one streaming service. Subscribe to O POVO's premium content at: https://mais.opovo.com.br/