Monsoon system brings heavy rain to southern Thailand
A new monsoon system is set to sweep across southern Thailand, bringing heavy rainfall to nine provinces. The Meteorological Department of Thailand (TMD) warned residents to be cautious of potential hazards due to the severe weather. Meanwhile, northern Thailand is experiencing a drop in temperature and strong winds.
The latest forecast from the TMD indicates that a new cold air mass from China is spreading over upper Thailand and the South China Sea. This atmospheric condition is causing cooler weather, accompanied by strong winds, and a decrease in temperature by one to three degrees Celsius (°C). Particularly in the mountainous and highland areas, the weather is expected to be cold.
The northeast monsoon covering the Gulf of Thailand and the southern region is gaining strength, resulting in heavy rain in some areas of the lower southern region.
Air quality in upper Thailand is expected to improve as strong winds and good air circulation reduce the accumulation of dust and haze.
There will be light rain in some parts of the upper region, with minimum temperatures ranging from 19 to 22°C and maximum temperatures between 31 and 33°C. The mountaintops will experience cold weather with minimum temperatures between eight and 15°C, and eastern winds will blow at speeds of five to 15 kilometres per hour (km/h).
In the northeastern region, the morning will be cool with strong winds, and temperatures will slightly decrease, with minimum temperatures between 16 and 21°C and maximum temperatures from 30 to 32°C. The highlands will be cold, with minimum temperatures from nine to 15°C. Northeastern winds will have speeds of 10 to 30 km/h.
Temperature drop
The central region will also be cool in the morning with strong winds, and temperatures will drop slightly. Minimum temperatures will range from 21 to 23°C, and maximum temperatures will be between 30 and 32°C, with northeastern winds at speeds of 10 to 25 km/h.
The eastern region will experience partly cloudy weather with strong winds and a slight temperature drop. Minimum temperatures will range from 21 to 24°C, and maximum temperatures from 33 to 35°C. Northeastern winds will blow at speeds of 15 to 30 km/h. The sea will have waves about 1 metre high, with offshore waves reaching 1 to 2 metres.
In the southern region (east coast), thunderstorms are expected in 40% of the area, with heavy rain in some locations, particularly in the provinces of Nakhon Si Thammarat, Songkhla, Pattani, Yala, and Narathiwat. Minimum temperatures will range from 24 to 26°C, and maximum temperatures will be between 30 and 32°C.
From Nakhon Si Thammarat upwards, northeastern winds will blow at speeds of 15 to 35 km/h, with the sea having waves 1 to 2 metres high, and waves exceeding 2 metres in stormy areas. From Songkhla downwards, northeastern winds will blow at speeds of 20 to 35 km/h, with the sea having waves about 2 metres high and exceeding 2 metres in stormy areas.
The southern region (west coast) will experience thunderstorms in 30% of the area, mostly in the provinces of Phang Nga, Krabi, Trang, and Satun. Minimum temperatures will range from 23 to 25°C, and maximum temperatures will be between 32 and 33°C. Eastern winds will blow at speeds of 15 to 35 km/h, with the sea having waves about 1 metre high, and offshore waves reaching 1 to 2 metres. In stormy areas, waves will exceed 2 metres.
Bangkok and its vicinity will have partly cloudy weather with strong winds and a slight temperature decrease. Minimum temperatures will range from 23 to 25°C, and maximum temperatures will be between 32 and 35°C. Northeastern winds will blow at speeds of 10 to 25 km/h.
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