The Atlantic Ocean Is Cooling At An Exceptional Speed And Scientists Are Struggling To Understand Why

By Khadija Pervez in News On 31st August 2024
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A strange situation is unfolding in the Atlantic Ocean, and experts are scratching their heads trying to figure out why.

Over the past year, surface temperatures in the Atlantic Ocean reached some new highs, following the trend of record-breaking temperatures around the globe.

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However, recently, something unusual has happened. 

The surface temperatures in the Atlantic Ocean have suddenly dropped at an unprecedented rate over the last few months.

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According to the National Oceanic and Atmospheric Administration (NOAA), the data shows that the sea surface temperatures in the Atlantic began cooling off since May.

It seems that the Atlantic has been one or two degrees Fahrenheit colder than usual for this time of year.

Oceans are known to be sensitive to various weather changes throughout the year. Typically, during this period, the Atlantic's temperatures are expected to rise. 

This is partly due to human-induced climate change and partly because of a complex weather pattern known as El Niño.

The Atlantic Ocean is now a degree or 2 Fahrenheit colder Getty Stock Photo

El Niño refers to a warming of the ocean surface, which means higher-than-average temperatures in the ocean.

The Atlantic Ocean has been setting new heat records since March 2023. A major factor in this has been an exceptionally strong El Niño that occurred during 2023 and 2024.

But now it appears that the Atlantic's El Niño might be giving way to its counterpart, La Niña. 

La Niña is characterized by unusually cold ocean temperatures, and this change seems to be happening a bit earlier than usual.

Both El Niño and La Niña are incredibly complex weather patterns. 

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They are influenced by factors such as trade winds, solar heating, and rainfall, which makes predicting them quite challenging.

The abrupt shift in the Atlantic's temperatures and the potential early onset of La Niña have left experts puzzled.

The changes could have an effect on nearby continents. Getty Stock Photo

"We've gone through the list of possible mechanisms, and nothing checks the box so far," said Frans Philip Tuchen, a postdoctoral student at the University of Miami, in an interview with New Scientist.

These unusual changes are clearly a cause for concern for the environment.

The NOAA points out that fluctuations between El Niño and La Niña could affect rainfall in nearby continents. 

Additionally, Atlantic Niños have been known to increase the likelihood of hurricanes near the Cape Verde islands.

Michael McPhaden from NOAA adds that it could also affect the ocean's cycles. 

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This means the Atlantic might delay the Pacific Ocean's La Niña in a sort of 'tug of war,' where the Pacific tries to cool itself while the Atlantic tries to warm it up.

Currently, the situation is still being monitored to determine if the Atlantic is fully transitioning into La Niña.

If it does, this could alter climate predictions for the surrounding regions for the rest of the year.