The Thai Meteorological Department (TMD) forecasts significant rainfall in the northern and northeastern regions, impacting 36 provinces. Residents in these areas are advised to be vigilant against potential flash floods and landslides due to persistent heavy rain.
These conditions are attributed to the strong southwestern monsoon over the Andaman Sea, Thailand, and the Gulf of Thailand, coupled with a low-pressure area over northern Vietnam.
The TMD provides a 15-day weather forecast, highlighting the development of three tropical storms. In the upper Andaman Sea and the upper Gulf of Thailand, moderate sea conditions are anticipated, with waves reaching approximately 2 metres. Areas experiencing thunderstorms may see waves exceeding 2 metres.
In the lower Andaman Sea, waves are expected to reach 1-2 metres, with higher waves in stormy areas. Mariners are advised to navigate with caution and avoid areas with thunderstorms. Meanwhile, Tropical Storm Koguma is moving south of Japan in the Pacific Ocean and is not expected to affect Thailand.
The weather forecast from 6am today until 6am tomorrow indicates rain and thunderstorms in 60% of the northern region, especially in Mae Hong Son, Chiang Mai, Chiang Rai, Lamphun, Lampang, Phayao, Phrae, Nan, Sukhothai, Tak, and Phetchabun. Temperatures will range from a low of 23-25°C to a high of 30-34°C, with southwestern winds blowing at 10-20 km/h.
In the northeastern region, rain and thunderstorms are expected in 70% of the area, particularly in Loei, Nong Khai, Bueng Kan, Sakon Nakhon, Nakhon Phanom, Mukdahan, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buriram, Sisaket, and Ubon Ratchathani. Temperatures will vary between 23-25°C and 30-35°C, with similar wind speeds.
Central Thailand will see thunderstorms in 40% of the area, mainly in Nakhon Sawan, Lopburi, Saraburi, Phra Nakhon Si Ayutthaya, and Kanchanaburi. The temperature is forecasted to range from 24-27°C to 34-36°C.
The eastern region is predicted to experience thunderstorms in 60% of the area, particularly in Nakhon Nayok, Prachinburi, Chachoengsao, and Sa Kaeo, with temperatures between 25-28°C and 32-35°C. Sea waves will reach 2-3 metres, and over 3 metres in stormy areas.
For southern Thailand’s eastern coast, 20% of the area will experience storms, mainly in Phetchaburi and Prachuap Khiri Khan, with temperatures from 24-26°C to 34-37°C. Winds will vary, and sea waves will be up to 2 metres, rising higher in stormy regions.
On the western coast, Ranong and Phang Nga will see storms covering 20% of the area, with temperatures from 24-28°C to 32-35°C. Sea conditions will include waves of about 2 metres, increasing in thunderstorms, reported KhaoSod.
Bangkok and its vicinity will see thunderstorms in 40% of the area, with temperatures between 26-28°C and 33-36°C, accompanied by southwestern winds at 10-20 km/h.
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