Heavy coastal flooding engulfed islands and atolls in the Western Equatorial Pacific last week, while buildings and food crops were heavily damaged in Micronesia, the Marshall Islands, Papua New Guinea, and Solomon Islands.

On one level, very high tides around this time of year in the western Pacific are considered normal and are termed ‘spring tides’.

But why’s the damage so great now?

The main reason for that is that the countries are undergoing a deluge triangle: a combination of spring tides, climate change, and La Niña.

We know that the events of La Nina affect the climate of countries throughout the Pacific, increasing the likelihood of high precipitation and tropical cyclones in places.

This increase in sea level would naturally lead to far more flood deflations at low-lying areas during spring tides such as the western tropical Pacific.

Effects of the El Niño–Southern Oscillation in the United States

The El Niño–Southern Oscillation affects the location of the jet stream, which alters rainfall patterns across the West, Midwest, the Southeast, and throughout the tropics. (wikipedia)

El Niño–Southern Oscillation

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El Niño–Southern Oscillation is an irregular periodic variation in winds and sea surface temperatures over the tropical eastern Pacific Ocean, (wikipedia)

Effects of the El Niño–Southern Oscillation in Australia

Effects of the El Niño–Southern Oscillation in Australia is present across most of the Australia, particularly the north and the east, and is one of the main climate drivers of the country. (wikipedia)


Majuro rˠo]) is the capital and largest city of the Marshall Islands. It is also a large coral atoll of 64 islands in the Pacific Ocean. (wikipedia)

Weather of 2021

The following is a list of weather events that occurred on Earth in the year 2021. The year began with La Niña conditions. (wikipedia)