17.12.2024 - The Hindu
17.12.2024 - The Hindu
La Niña was expected to emerge by July this year, plus a milder winter due to this delay - India Meteorological Department.
La Nina & El Nino - definition
A phase of the El Nino Southern Oscillation (ENSO), occurs in the Pacific ocean betwen Indonesia and South America is cooler than usual
La Niña has usually formed during the monsoon or the pre-monsoon period. El Nino, represents warming of the same region
Effects on Bharat
La Niña years, India receives normal or above-normal rainfall during the monsoon season. Droughts in Africa and intensifies hurricanes over the Atlantic Ocean.
Extreme La Nina events, generally lead to harsh winters in Bharat.
El Niño brings extreme summers and droughts in India while increasing rainfall in the southern U.S.
Triple Dip La Nina
This decade began with three consecutive La Nina events (2022, 2021, 2022), followed by an El Nino in 2023
Effects of climate change
Climate change may increase the frequency and intensity of both La Nina and El Nino events, as rising sea and land temperatures disrupt the pacific's balance.
This year change
In December, this year, there remains only a 57% chance of it forming is 2024.