triple La Niña event is likely this year, it’s a rare event that has happened two times in the last five decades. It creates drought- like situations in America and results in flooding of the south asian region.
La Niña and its counterpart, El Niño, are phases of the El Niño–Southern Oscillation (ENSO) that occur every two to seven years, with neutral years in between. Although two La Niña’s in a row is normal, a ‘triple dip’ – three times in a row is very unlikely and this looks like the third time in the last fifty years. More La Niña events disrupt the pattern of cyclones and rainfall in the regions around pacific and atlantic ocean.
There have been multiple studies about the change in the La Niña wind systems including one from the IPCC but there has been little consensus about the causes driving the change. There are several factors affecting the whole system and scientists don't agree with each other on any existing explanation.
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