Thailand braces for heavy rain and storms across 42 provinces
Flash flood threats loom as landslide risks surge
The Thai Meteorological Department (TMD) issued a weather forecast warning for today, May 29, predicting heavy rainfall in 42 provinces across Thailand, with thunderstorms expected in 70% of Bangkok. Residents are urged to be cautious of potential flash floods and landslides.
The weather forecast for the next 24 hours indicates significant rainfall in the north and northeast regions. Residents in these areas should be wary of the heavy rains and accumulated precipitation, which may lead to flash flooding, landslides, and swollen streams, particularly in hilly terrains and low-lying agricultural areas.
Farmers are advised to improve drainage systems in their fields to mitigate potential impacts on crops and livestock due to the monsoon trough crossing the north and northeast, alongside moderate southwesterly monsoon winds over the Andaman Sea, the south, and the Gulf of Thailand.
In the upper Andaman Sea, waves are expected to reach heights of approximately 2 metres, while in the lower Andaman Sea, waves are anticipated to be between 1 and 2 metres. Thunderstorm areas may experience waves exceeding 2 metres.
Mariners in the Andaman Sea and the Gulf of Thailand should navigate with caution and avoid stormy areas. Small vessels in the upper Andaman Sea are advised to remain ashore for the time being.
A low-pressure system over the northern Bay of Bengal is likely to intensify, moving towards the coasts of Bangladesh and India without directly impacting Thailand.
Weather forecast
In north Thailand, 70% of the area will experience thunderstorms, with some regions, including Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phrae, Sukhothai, Tak, Phitsanulok, and Phetchabun, facing very heavy rain. Temperatures are expected to range from 24 to 26 degrees Celsius in the morning, rising to 32 to 34°C later, with southwesterly winds at 5 to 15 kilometres per hour.
Northeast Thailand will see thunderstorms in 80% of the area, with heavy rain in locations such as Nong Khai, Bueng Kan, Sakon Nakhon, Nakhon Phanom, Kalasin, Mukdahan, Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Surin, Sisaket, and Ubon Ratchathani. Temperatures will vary from 23 to 27°C in the morning to 32 to 34°C later, with southeasterly winds at 10 to 20 kilometres per hour.
In central Thailand, 60% of the area will experience thunderstorms, with heavy rain in Kanchanaburi, Ratchaburi, Lopburi, and Saraburi. Morning temperatures will be 25 to 27°C, rising to 34 to 35°C, with southwesterly winds at 10 to 20 kilometres per hour.
East Thailand will have thunderstorms in 80% of the area, with heavy rain in Nakhon Nayok, Prachin Buri, Sa Kaeo, Chachoengsao, Chon Buri, Rayong, Chanthaburi, and Trat. Morning temperatures range from 25 to 27°C, with highs of 32 to 35°C later, and southwesterly winds at 15 to 30 kilometres per hour. Seas will have waves around 1 metre high, exceeding 2 metres in stormy weather.
In the south (east coast), 40% of the area will experience thunderstorms, mainly in Phetchaburi, Prachuap Khiri Khan, Chumphon, and Surat Thani. Temperatures will be 24 to 26°C in the morning and 33 to 36°C later, with southwesterly winds at 15 to 30 kilometres per hour. Seas will have waves around 1 metre high, exceeding 2 metres in thunderstorms.
In the south (west coast), thunderstorms are expected in 40% of the area, primarily in Ranong and Phang Nga. Temperatures will be 24 to 26°C in the morning, rising to 32 to 34°C later.
From Phang Nga upwards, southwesterly winds at 20 to 35 kilometres per hour are expected, with waves about 2 metres high, exceeding 2 metres in thunderstorms. From Phuket downwards, winds will be 1 to 35 kilometres per hour, with waves between 1 and 2 metres, exceeding 2 metres in stormy areas.
In Bangkok and surrounding areas, 70% will experience thunderstorms, with some areas facing heavy rain. Temperatures will range from 26 to 28°C in the morning to 33 to 35°C later, with southwesterly winds at 10 to 20 kilometres per hour, reported KhaoSod.
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