Bangkok set to get soaked as rain reigns over Thai 46 provinces
Flash flood risks rise as low-pressure system intensifies rainfall
The Thai Meteorological Department (TMD) today issued a weather forecast, warning of heavy rainfall across 46 provinces, including Bangkok, which is expected to experience rain in 70% of its area.
Residents are advised to remain cautious of potential flash floods and landslides. Thunderstorms and heavy rain are anticipated in parts of the northern, central, and eastern regions, particularly affecting Mae Hong Son, Chiang Mai, Chiang Rai, Lampang, Phayao, and Nan. People in these areas should be aware of the dangers posed by heavy and accumulated rainfall, especially in mountainous areas and near watercourses.
The weather conditions are attributed to a low-pressure system over northern Myanmar and Laos, combined with a moderate southwest monsoon affecting the Andaman Sea, Thailand, and the Gulf of Thailand. The Andaman Sea will experience moderate sea conditions, with waves reaching about 2 metres in the northern part and 1 to 2 metres in the southern part.
Areas with thunderstorms may see waves exceeding 2 metres. Mariners in the Andaman Sea and the Gulf of Thailand are advised to navigate cautiously and avoid stormy areas.
Additionally, a depression east of the Philippines is projected to intensify into a tropical storm and move across northern Philippines into the upper South China Sea between July 19 and July 22.
This is expected to strengthen the southwest monsoon, leading to increased rainfall and heavy to very heavy rain in some parts of Thailand, with the Andaman Sea and upper Gulf of Thailand experiencing strong winds and waves between 2 to 3 metres and over 3 metres in thunderstorm areas.
Weather forecast
From 6am today until 6am tomorrow, the northern region will see thunderstorms in 70% of the area, with heavy rain in provinces including Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Nan, Phrae, Uttaradit, and Tak. Temperatures will range from 22 to 34 degrees Celsius, with a southwest wind at 10 to 20 kilometres per hour.
In the northeast region, thunderstorms are expected in 60% of the area, mainly in Loei, Nong Khai, Bueng Kan, Nong Bua Lamphu, Udon Thani, Sakon Nakhon, Nakhon Phanom, Kalasin, Mukdahan, Roi Et, Yasothon, Amnat Charoen, Surin, Sisaket, and Ubon Ratchathani, with temperatures between 23 and 35 degrees Celsius and a southwest wind at 10 to 20 kilometres per hour.
The central region will have thunderstorms in 60% of the area with heavy rain in Uthai Thani, Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Sakhon, and Samut Songkhram, where temperatures will range from 23 to 36 degrees Celsius, with a southwest wind at 10 to 20 kilometres per hour.
In the eastern region, anticipate thunderstorms in 60% of the area with heavy rainfall in Nakhon Nayok, Prachin Buri, Chachoengsao, Chanthaburi, and Trat, with temperatures from 23 to 34 degrees Celsius. The southwest wind will blow at 15 to 30 kilometres per hour, with sea waves about 1 metre high, exceeding 2 metres in thunderstorms.
In the southern region (eastern coast), thunderstorms will occur in 40% of the area, mainly in Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, and Nakhon Si Thammarat, with temperatures between 23 and 35 degrees Celsius and a southwest wind at 15 to 30 kilometres per hour. The sea will have waves about 1 metre high, exceeding 2 metres in thunderstorms.
For the southern region (western coast), expect thunderstorms in 40% of the area, primarily in Ranong, Phang Nga, Phuket, and Krabi, with temperatures ranging from 23 to 34 degrees Celsius.
From Phang Nga upwards, the southwest wind will blow at 20 to 35 kilometres per hour with sea waves around 2 metres high. From Phuket downwards, the southwest wind at 15 to 35 kilometres per hour will bring sea waves of 1 to 2 metres, exceeding 2 metres in thunderstorms, reported KhaoSod.
Bangkok and its vicinity will have thunderstorms in 70% of the area with heavy rain in some places, temperatures between 24 and 35 degrees Celsius, and a southwest wind at 10 to 20 kilometres per hour.
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