Bangkok, May 19 – The Meteorological Department announced that Thailand ended the summer and began the rainy season of 2023 on May 22. This year, the amount of rain and the season will be minimal. Over the past year, around mid-June-mid-July, there will be a dry period of rain, while in August-September will be the period with the most intense rain. There is a high chance that there will be 1-2 tropical cyclones moving through the northern and northeastern areas.
Miss Chomphari Chomphurat, Director-General of the Meteorological Department, said that Thailand has ended the summer and will begin to enter the rainy season on May 22, 2023 because it was found that Heavy and continuous rainfall covers most of the country. In addition, the wind that blows over Thailand at the surface level to a height of about 3.5 kilometers has changed the direction to the southwesterly wind. which will continuously bring moisture from the Andaman Sea to cover Thailand And the upper wind from an altitude of 5 kilometers or more has changed the direction to the east wind, which is considered to have completed the elements according to the criteria for entering the rainy season in Thailand.
This year, the total amount of rainfall throughout the country during the rainy season will be less than 2022 and will be about 5% lower than normal (14% higher than normal last year) from about mid-June to mid-July. There will be a condition of rain during the period. May result in water shortage in agriculture in many areas. Especially in recurring drought areas outside the irrigation area. The months of August and September are the heaviest rains. And there is a high probability that 1-2 tropical cyclones will move through the northern and northeastern regions, resulting in heavy to very heavy rain in many areas. and causing flash flooding flooding Including water overflowing the banks For the rainy season in upper Thailand, it will end around mid-October. In the southern part, especially the eastern coast, there will be heavy rainfall until mid-January 2024.
For this year's rainy season, it starts later than usual, with the year 2022 announcing the start of the rainy season in mid-May (May 13, 2022), but this year is later than about A little over a week due to the influence of the Enzo phenomenon From being in the La Nina state for more than 2 years, now it is back to normal. then tend to It will change into a weak El Niño state from June to July 2023 and will continue until December 2023 to February 2024.
However, there is an 80% probability that by the end of 2024 El Niño conditions will intensify into a moderate El Niño and have a 50% chance of an intense El Niño based on sea surface temperature monitoring. Continuing to predict the next phase It is now expected El Niño conditions will continue until February 2024, but the occurrence of El Niño conditions results in this year's rainfall being less than normal. .-Thai News Agency
Source: Thai News Agency