El Nino, La Nina and ENSO are all dangerous extreme weather phenomena.
New modeling research shows that El Niño and La Niña that have existed for the past 250 million years have influenced Earth's climate.
In the winter-spring season 2018-2019, the time of occurrence is very cold and harmful compared to the average of many years (AMY), ie in the second half of December 2018.
2015 El Nino lasted the longest in the last 60 years, making this year's winter temperature higher, rainfall across the country plummeting compared to the average of many years.