Thailand prepares for flooding as offshore weather worsens
Unstable conditions trigger weather warnings across the country
Thailand is bracing for widespread thunderstorms and flood risks as a tropical storm develops offshore, bringing unstable weather to several regions nationwide.
Thailand is set for more scattered downpours as a tropical depression forming over the Pacific Ocean gears up to cross into the South China Sea between tomorrow, October 3, and Saturday, October 4. The storm is forecast to intensify before making landfall in upper Vietnam on October 5 or 6.
Although rainfall is easing in some areas of Thailand, the Thai Meteorological Department (TMD) has issued warnings of isolated heavy rain in the western parts of North and central Thailand. Residents in foothill communities, low-lying areas, and regions near waterways are being urged to remain vigilant for flash floods and water overflows.
The TMD warned the public to take extra caution, particularly in areas prone to heavy rain accumulation.
The prevailing weather pattern includes an easterly wind sweeping across the Northeast, East, and Gulf of Thailand, while a weakened southwest monsoon continues to affect the Andaman Sea and parts of the South. This combination is expected to cause unstable weather conditions and rough seas, especially during thunderstorms. Wind and wave activity in the upper Andaman Sea will reach 1 to 2 metres in general, surging above 2 metres during thundershowers. All ships are advised to proceed with caution and avoid sailing near storm cells.
The weather forecast from 6am today, October 2, to 6am tomorrow, October 3, is as follows:
In North Thailand, provinces such as Mae Hong Son, Chiang Mai, Chiang Rai, Sukhothai, and Tak can expect scattered thundershowers with isolated heavy rain. Temperatures will range from a minimum of 22 to 25°C to a maximum of 30 to 34°C, with light and variable winds of 10 to 20 km/h.
The Northeast will also experience scattered thundershowers, particularly in Loei, Udon Thani, Nong Khai, Nong Bua Lamphu, Chaiyaphum, Khon Kaen, Nakhon Ratchasima, and Buriram. Morning temperatures will hover between 22 and 25°C, while daytime highs are forecast between 33 and 34°C. Southeasterly winds will blow at 10 to 20 km/h.
In the central region, including provinces like Nakhon Sawan, Uthai Thani, Kanchanaburi, and Ratchaburi, scattered thundershowers are expected, with isolated heavy rainfall in some areas. Temperatures will range from 25 to 26 degrees Celsius in the early morning to highs of 33 to 34°C later in the day. Southwesterly winds will range between 10 and 20 km/h.
Eastern Thailand, including Rayong, Chanthaburi, and Trat, will see scattered thundershowers as well. Minimum temperatures are forecast between 24 and 26°C, rising to maximums of 32 to 34°C. Southwesterly winds will be stronger here, blowing at 15 to 30 km/h. The sea will see wave heights of around 1 metre, increasing to over 2 metres during thunderstorms.
On the east coast in the South, areas such as Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Yala, and Narathiwat will face scattered thundershowers. Temperatures will drop to between 23 and 25°C in the morning and climb to 32 to 34°C later in the day. Variable winds will range from 15 to 30 km/h, with wave heights reaching about 1 metre and rising above 2 metres during stormy weather.
The west coast, including Phang Nga, Krabi, and Trang, will also experience scattered thundershowers. Morning temperatures will be between 22 and 25°C, while the daytime high will range from 32 to 34°C. From Phang Nga northward, southwesterly winds will blow at speeds of 15 to 35 km/h, with sea waves reaching 1 to 2 metres and rising above 2 metres in thunderstorms. From Phuket southward, the wind speeds will be the same, but sea waves will be slightly calmer, reaching about 1 metre and increasing to 1 to 2 metres during showers, according to the TMD.
In the Bangkok Metropolitan area, scattered thundershowers are also expected. Minimum temperatures will range from 25 to 26°C, while maximum temperatures are forecast between 33 and 34°C. Winds will be southwesterly at 10 to 20 km/h.
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