Storm set to rain on 25 provinces, Bangkok in the splash zone
The Thai Meteorological Department (TMD) has issued a warning for a summer storm affecting 25 provinces, including Bangkok, predicting heavy rain in 40% of the area. Strong winds and hail are also expected, with a subsequent drop in temperatures today, March 17.
A high-pressure system from China is currently affecting the upper northeastern region, anticipated to expand to cover the north, central, including Bangkok and its vicinity, and eastern regions. This weather pattern, combined with the ongoing heat in upper Thailand, is expected to result in thunderstorms, strong winds, hailstones, and possibly lightning in some locations.
Following the storm, temperatures are forecast to drop by 3 to 5 degrees Celsius in the northeastern region, accompanied by strong winds. In the north, central, including Bangkok, and eastern regions, a decrease of 1 to 2 degrees Celsius is expected.
Residents are advised to exercise caution, particularly avoiding open areas and unstable structures during thunderstorms. Farmers are encouraged to secure crops and livestock against potential damage and to maintain health amid changing weather conditions.
Easterly and southeasterly winds are affecting the Gulf of Thailand, southern region, and the Andaman Sea, leading to isolated thunderstorms in the south. In the lower Gulf, waves are expected to reach 1 to 2 metres, exceeding 2 metres in stormy areas. Sailors are advised to avoid navigating in storm-affected areas.
Regarding air quality, the accumulation of dust and haze in upper Thailand ranges from good to moderate due to rainfall and increased wind strength. However, the northern region still experiences moderate to high levels due to weaker winds.
Weather forecast
From 6am today to 6am tomorrow, various regions will experience different weather conditions. The north will see thunderstorms in 10% of the area, particularly in Chiang Mai, Lamphun, Lampang, Phrae, Kamphaeng Phet, Sukhothai, and Tak.
Temperatures will decrease by 1 to 2 degrees Celsius, with lows of 19 to 23°C and highs of 33 to 37°C, with southeasterly winds at 10 to 20 kilometres per hour.
In the northeast, temperatures are set to drop by 1 to 3 degrees Celsius, with isolated thunderstorms mainly in the southern part. The lowest temperatures will range from 17 to 22°C, with highs of 28 to 33°C and northeasterly winds at 15 to 30 kilometres per hour.
The central region will have thunderstorms over 30% of the area, mainly in Uthai Thani, Suphan Buri, Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Songkhram, and Samut Sakhon, followed by a temperature drop of 1 to 2 degrees Celsius. The region will see lows of 24 to 25°C and highs of 34 to 36°C, with southeasterly winds at 10 to 25 kilometres per hour.
The eastern region will experience thunderstorms in 40% of the area, notably in Chachoengsao, Chon Buri, Rayong, Chanthaburi, and Trat, with a subsequent temperature drop of 1 to 2 degrees Celsius.
The lowest temperatures will range from 23 to 26°C, with highs of 31 to 35°C and southeasterly winds at 15 to 30 kilometres per hour. The sea will have waves about 1 metre high, rising over 2 metres in stormy areas.
In the south (east coast), thunderstorms will affect 20% of the area, mainly in Phetchaburi and Prachuap Khiri Khan, with temperatures ranging from 23 to 26°C for lows and 32 to 35°C for highs. From Surat Thani upwards, easterly winds will blow at 15 to 30 kilometres per hour, with sea waves around 1 metre, exceeding 2 metres in stormy areas.
From Nakhon Si Thammarat downwards, easterly winds will reach 15 to 35 kilometres per hour, with sea waves 1 to 2 metres high, exceeding 2 metres in stormy areas.
On the west coast, isolated thunderstorms will occur in 10% of the area, mainly in Krabi, Trang, and Satun, with lows of 24 to 26°C and highs of 33 to 35°C, with easterly winds at 15 to 30 kilometres per hour. The sea will have waves about 1 metre high, exceeding 2 metres in stormy areas.
Bangkok and its vicinity will experience thunderstorms in 30% of the area, followed by a temperature drop of 1 to 2 degrees Celsius. Lows will range from 25 to 27°C, with highs of 33 to 34°C, and southeasterly winds at 10 to 25 kilometres per hour, reported KhaoSod.
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