Bangkok, The Meteorological Department warns that the monsoon will cause heavy rain in some areas of Thailand, while the tropical storm "Phraphun" moved to the coast of Vietnam this morning. The Meteorological Department revealed that the southwest monsoon prevailing over the Andaman Sea, Thailand and the Gulf of Thailand is moderate, coupled with the tropical storm 'Phra Pirun' covering the Gulf of Tonkin. This will cause heavy rain in some areas of the North and the Northeast, with very heavy rain in some areas of the East. People in these areas should be careful of the dangers of heavy rain and accumulated rain, which may cause flash floods and forest runoff, especially on hillsides near waterways and lowlands. The waves in the Andaman Sea and the Gulf of Thailand are moderate. The upper Andaman Sea will have waves approximately 2 meters high, while the lower Andaman Sea and the upper Gulf of Thailand will have waves 1-2 meters high. In areas with thunderstorms, the waves will be higher than 2 meters. Sa ilors in these areas should sail with caution and avoid sailing in areas with thunderstorms. In addition, the tropical storm 'Phraphun' is covering the Gulf of Tonkin, China. It is expected to make landfall in Haiphong City, northern Vietnam on the morning of July 23, 2024. This storm will not directly affect the weather in Thailand. Those who plan to travel to the area should check the weather conditions before traveling during that period. Source: Thai News Agency