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Understanding the Enzo Effect: Exploring the Impact of El Niño-La Niña on Global Climate

Discover the “Enzo Effect” when the sea temperature changes. The consequences of the El Niño-La Niña phenomenon.

From the case of the Meteorological Department Reveal Information El Niño Situation for April 2024, in which Thailand is in a weak El Niño condition. The Enzo phenomenon will weaken and transition to a neutral state in April. in June 2024 before there is a possibility of entering La Niña conditions during the month June to August 2024

causing doubts about Enzo phenomenon What does it mean to be the result of El Niño-La Niña and how much does it affect the world climate?

Of Enzo phenomenon Term used to describe changes in sea surface temperatures in the equatorial Pacific and variations in the Southern Hemisphere climate system. Therefore, it includes both El Niño and La Niña phenomena.

Scientists often use the term Enzo’s hot state. Similarly to El Niño, it describes the phenomenon of abnormally warm sea surface temperatures in the central and eastern equatorial Pacific. and vice versa the term Enzo’s cold state is used. In the same sense as La Niña. This is a phenomenon in which sea surface temperatures in the central and eastern equatorial Pacific are cooler than normal.

However, for Thailand This was revealed by the Meteorological Department Monitoring the El Niño/La Niña phenomenon In April 2024, the current situation finds that the Enzo phenomenon is in a weak El Niño condition. Sea surface temperatures in the equatorial ocean have cooled over the past month, but remain above normal in most of the area. The average sea surface temperature over the past week was about (0.2) 0.9 degrees Celsius higher than normal.

Regarding the sea temperature at depth, from the surface up to 300 meters, in the last two months it was found that the zone of above-normal sea temperature continued to weaken, remaining only in the central surface of the equator. At deeper levels, sub-normal sea temperatures intensified and spread throughout the Pacific Ocean and up to the surface in the eastern part of the ocean.

This characteristic results in an atmospheric circulation system at a level of 850 millibars (hPa), i.e. at an altitude of approximately 1.5 kilometers above mean sea level. There are stronger than normal easterly winds blowing over a small area on the western side of the equatorial Pacific Ocean. For winds at a level of 200 millibars (Hokto Pascal: Pa) or at a height of about 11 kilometers above mean sea level. Prevailing winds are close to normal.

Predictions from above-normal sea surface temperatures. and the atmospheric circulation system in the equatorial Pacific Ocean. Furthermore, when the data is analyzed using statistical methods and dynamic models, the Enzo phenomenon in this weak El Niño state is predicted to weaken and transition to a neutral state during the months of April to June. So there is a 60% chance of entering La Niña conditions between June and August 2024.

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