Bangkok, The Meteorological Department reveals that upper Thailand will experience heavy rain in some places. In the northern region, thunderstorms will occur in 70% of the area. Flash floods and flash floods may occur. Meteorological Department weather forecast for the next 24 hours The monsoon trough lies across the upper northern region. Upper Northeastern Region and Laos Entering low pressure in the area of ??upper Vietnam and the Gulf of Tonkin. together with the southwest monsoon that blows over the upper Andaman Sea and upper Thailand is getting stronger. This characteristic makes upper Thailand There is heavy rain in some places. People in the area are asked to be careful of the dangers of heavy rain and accumulated rain. This may cause flash floods and flash floods. Especially areas of mountain slopes near waterways and low-lying areas are also included. As for wind waves in the upper Andaman Sea and the upper Gulf of Thailand, they are getting stronger. The waves are about 2 meters high. In areas with thunderstorms the waves are more than 2 meters high. Boaters in those areas are asked to navigate with caution and avoid sailing in areas with thunderstorms. Regional weather forecast Bangkok - Metropolitan area: Thunderstorms in 40 percent of the area. Minimum temperature 27-28 degrees Celsius. Maximum temperature 33-35 degrees Celsius. Southwestern winds 10-25 km./hr. Northern region: Thunderstorms in 70 percent of the area and heavy rain in some places. In the provinces of Mae Hong Son, Chiang Mai, Chiang Rai, Phayao, Nan, Uttaradit, Tak, Phitsanulok and Phetchabun, minimum temperature 24-26 degrees Celsius, maximum temperature 32-35 degrees Celsius, southwest wind speed 10-20 km/hr. Northeastern Region: Thunderstorms in 60 percent of the area and heavy rain in some places. In the areas of Loei, Nong Bua Lamphu, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon and Nakhon Phanom, minimum temperature 25-27 degrees Celsius, maximum temperature 31-36 degrees Celsius, southwest wind speed 10-20 km/hr. Central region: Thunderstorms in 60 percent of the area and heavy rain in some places. In the area of ??Uthai Thani, Kanchanaburi and Ratchaburi provinces, minimum temperature 24-27 degrees Celsius, maximum temperature 34-36 degrees Celsius, southwest winds 10-25 km/hr. Eastern Region: Thunderstorms in 60 percent of the area and heavy rain in some places. In Rayong, Chanthaburi and Trat provinces, minimum temperature 26-28 degrees Celsius, maximum temperature 31-34 degrees Celsius, southwest winds 20-35 km/hr. The sea has waves about 2 meters high. In areas with thunderstorms, waves higher than 2. m. Southern Region (East Coast): Thunderstorms in 30 percent of the area, mostly in Phetchaburi Province. Prachuap Khiri Khan, Chumphon and Surat Thani Lowest temperature 24-26 degrees Celsius. Highest temperature 34-36 degrees Celsius. From Nakhon Si Thammarat Province: Southwestern winds 15-35 km/hr. The sea has waves 1-2 meters high. In thunderstorm areas, waves higher than 2 meters. From Songkhla province down wards: Southwestern winds 15-30 km/hr. The sea has waves about 1 meter high. 1-2 meters high from the coast and areas with thunderstorms. Southern region (west side): Thunderstorms in 40 percent of the area, mostly in Ranong, Phang Nga, and Phuket provinces. Minimum temperature 25-28 degrees Celsius. Maximum temperature 32-35 degrees Celsius. From Krabi Province: Southwestern wind speed 20. -35 km./hr. The sea has waves about 2 meters high. In areas with thunderstorms, waves 2-3 meters high. From Trang province downwards: southwest winds 15-35 km./hr. The sea has high waves. 1- 2 meters in areas with thunderstorms, waves higher than 2 meters. Source: Thai News Agency