Alerta aumenta para super El Niño com 61% de probabilidade em 2026

Centros meteorológicos internacionais alertam para um possível super El Niño entre 2026 e 2027. O Ideam aponta 61% de chance de o fenômeno se estabelecer entre o final de maio e junho.

Principais centros de previsão climática, incluindo Ecmwf, Noaa e JMA, projetam um pico de temperatura na região Niño 3.4 entre +2,5 e +3,0°C. Essa intensidade corresponde aos eventos extremos de 1997/98 e 2015/16.

O conteúdo de calor subsuperficial no Pacífico equatorial já apresenta anomalias próximas a +5°C entre 100 e 150 metros de profundidade. Especialistas como Kristjan Lepik observam semelhanças com o fenômeno de 1997.

Na Colômbia, o Ideam indica que as chuvas de abril podem ficar até 70% abaixo da média na região andina. Os modelos atribuem uma probabilidade de 61% para um cenário de super El Niño no trimestre de dezembro-janeiro-fevereiro de 2026-2027.

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The US National Oceanic and Atmospheric Administration (NOAA) updated its forecasts, estimating a 90% probability of El Niño starting in September 2026 and lasting through the year's final quarter. It raised the May-July projection from 25% in March to 61%. Experts warn of impacts in regions like the Caribbean, Andes, and Orinoquía, including forest fire risks from water deficits and thermal stress.

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