The Thai Meteorological Department (TMD) has issued a weather warning for today, predicting heavy rainfall in 41 provinces across Thailand, with some areas experiencing intense downpours covering 70% of the region.
Eight provinces have been specifically cautioned to be on alert for flash floods and rapid water flow due to accumulated rainfall. These provinces include Chiang Rai, Phayao, Nan, Phrae, Loei, Bueng Kan, Chanthaburi, and Trat, particularly in hilly regions and near waterways.
This weather pattern is attributed to a monsoon trough passing through upper Myanmar, Northern Thailand, upper northeast Thailand, and northern Vietnam, alongside a low-pressure area moving along this trough in southern China.
Additionally, a moderate southwest monsoon is expected to strengthen over the Andaman Sea, Thailand, and the Gulf of Thailand. In the Andaman Sea and the Gulf of Thailand, moderate winds are anticipated, with waves reaching approximately 2 metres in the upper Andaman Sea and 1-2 metres in the lower Andaman Sea and the upper Gulf of Thailand. In areas with thunderstorms, waves can exceed 2 metres, and seafarers are advised to exercise caution and avoid areas with thunderstorms.
Weather forecast
Thunderstorms will cover 70% of Northern Thailand, with torrential rain expected in Mae Hong Son, Chiang Mai, Chiang Rai, Phayao, Nan, Phrae, Tak, Sukhothai, Uttaradit, Phitsanulok, and Phetchabun. Temperatures are forecasted to range from lows of 23-26°C, and highs of 29-34°C, and southwest winds at 10-20 km/h.
In the northeast, thunderstorms will cover 70% of the area, with heavy rain in Loei, Nong Khai, Bueng Kan, Udon Thani, Nong Bua Lamphu, Sakon Nakhon, Nakhon Phanom, Mukdahan, Amnat Charoen, and Ubon Ratchathani. Temperatures will range from 22-26°C to 29-33°C, and southwest winds at 10-20 km/h.
Central Thailand will experience thunderstorms in 60% of the area, with heavy rain in Nakhon Sawan, Uthai Thani, Kanchanaburi, and Ratchaburi. Temperatures will range from lows of 24-26°C, to highs of 32-34°C, and southwesterly winds at 10-20 km/h.
Eastern Thailand will see thunderstorms in 70% of the area, with intense rainfall in Nakhon Nayok, Prachinburi, Sa Kaeo, Chachoengsao, Chon Buri, Rayong, Chanthaburi, and Trat. Temperatures are expected to be 24-28°C at the low end, with highs of 30-34°C. Waves in the sea will reach 1-2 metres, with more than 2 metres in areas experiencing thunderstorms.
In the southern regions, the east coast will have thunderstorms in 40% of the area, with heavy rain in Chumphon, Surat Thani, and Nakhon Si Thammarat. Temperatures will range from 24-26°C to 32-35°C, and southwesterly winds at 15-35 km/h. Waves will be around 1 metre, reaching 1-2 metres offshore, and more than 2 metres near thunderstorms.
The West Coast will experience thunderstorms in 60% of the area, with heavy rain in Ranong, Phang Nga, Phuket, and Krabi. Temperatures will range from 24-27°C to 31-34°C. From Krabi upwards, southwesterly winds will be 20-35 km/h, with waves around 2 metres and more than 2 metres in thunderstorms. From Trang downwards, southwest winds will be 15-35 km/h, with waves of 1-2 metres, and more than 2 metres near thunderstorms, reported KhaoSod.
Bangkok and the surrounding areas will see thunderstorms in 60% of the area. Temperatures will range from lows of 26-27°C to highs of 32-35°C, and southwest winds at 10-20 km/h.
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