If we enter a “La Niña” state, what will happen? Influencing the world’s climate And what is the weather like in Thailand?
From the case of the Meteorological Department Reveal Information El Niño Situation for April 2024, stating that Thailand is currently in a weak El Niño condition. This causes Thailand to have a trend of higher temperatures than normal. while the amount of rain is close to normal AND there is a 60% chance of La Nina conditions entering this month. From June to August 2024
Many people wonder that after El Niño the situation will change to La Niña conditions. How will it affect the weather conditions in Thailand?
La Nina is an opposite phenomenon to El Niño, that is, La Niña is a phenomenon in which sea surface temperatures in the central and eastern regions of the equatorial Pacific are approximately 0.5 degrees Celsius lower than normal. The La Niña phenomenon occurs every 2 -3 years and normally lasts 9-12 months, but sometimes can last up to 2 years.
La Niña is caused by winds blowing, as usual, from the eastern side of the Pacific Ocean towards the western side of the Pacific Ocean. But the wind was more violent than usual. causing warmer currents to flow towards Southeast Asia As a result, sea levels in Southeast Asia and Australia will rise and rainfall will be heavier than usual. which, in turn, also causes drought conditions along the coasts of South America.
This is due to the El Niño and La Niña phenomena. causing the fluctuation of wind currents and warm water currents The occurrence of El Niño will cause drought in Southeast Asia and northern Australia. and heavy rains in the northern part of South America As for La Niña, drought will hit the northern part of South America. and heavy rains occurred in Southeast Asia.As for the impact on the Thai climate, the La Niña phenomenon will cause Thailand to have more rainfall than usual. and the temperature drops
However, in the case of the La Niña phenomenon in Thailand there is an interesting prediction from the Ass. Prof. Dr. Jutithep Wongpet, Kasetsart University. The information was given in a press release. “Trends of the water situation 67 – 68” regarding drought with research and innovation It was stated that the runoff volume model in 2024-2025 has three possible models: Model 1, if the 2024 rainy season develops into a severe La Niña condition. The volume of water will reach 14,000 million cubic meters. Model 2: If the 2024 rainy season develops into a weak La Niña condition. The quantity of water will be approximately 6,000 – 8,000 million cubic meters. And the third type, if during the rainy season of 2024 La Niña conditions will be at normal levels and in 2025, the amount of water will be at a level of about 6,000 million. cubic meters.
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