Heavy rain lashes 43 provinces, Bangkok braces for floods
Storm winds and rising seas trigger marine warnings across coastal regions
The Thai Meteorological Department (TMD) forecasts heavy rain across 43 provinces today, with significant impact expected in the South and 60% of Bangkok. Residents are advised to be cautious of potential flash floods and forest run-off, particularly in areas near water flows or low-lying regions.
The forecast for today, May 3, indicates that the South will experience increased rainfall with heavy downpours in certain locations. This is due to easterly winds moving over the Gulf of Thailand and the South, while northwesterly winds cover the Andaman Sea. Both the Gulf of Thailand and the Andaman Sea are expected to have waves around 1 metre high, increasing to over 2 metres during thunderstorms. Mariners in these regions are advised to avoid navigating during stormy weather.
Looking ahead to tomorrow, May 4, heavy rain is anticipated in 40 provinces. Northern Thailand, the northeastern and central regions will continue to experience thunderstorms and strong wind gusts, alongside hot daytime temperatures. The southern and southeastern winds are bringing moisture across the upper parts of the country. Residents should remain vigilant against thunderstorms and potential health impacts from changing weather conditions. Due to ongoing rain, the accumulation of dust and haze in the upper regions remains moderate.
Weather forecast
The northern region will encounter hot weather with thunderstorms affecting 40% of the area, particularly in Mae Hong Son, Chiang Mai, Chiang Rai, Lampang, Nan, Uttaradit, Tak, Phitsanulok, and Phetchabun. Temperatures will range from 22 to 37°C, with southwest winds at 5-15 km/h.
In the northeast, hot weather with thunderstorms is also expected in 30% of the area, impacting Loei, Chaiyaphum, Amnat Charoen, Nakhon Ratchasima, Buriram, Surin, Sisaket, and Ubon Ratchathani. Temperatures will vary between 23 and 37°C, with southern winds at 10-20 km/h.
The central region will see hot conditions with thunderstorms affecting 40% of the area, notably in Nakhon Sawan, Uthai Thani, Lopburi, Saraburi, Kanchanaburi, and Ratchaburi. Temperatures are expected between 25 and 37°C, with southern winds reaching speeds of 10-20 km/h.
In the eastern region, thunderstorms will impact 60% of the area with heavy rain in Chachoengsao, Chon Buri, Rayong, Chanthaburi, and Trat. Temperatures will range from 25 to 35°C, with southeastern winds at 10-30 km/h. Sea waves will be under 1 metre, rising to over 2 metres during thunderstorms.
The southern region (East Coast) will see thunderstorms across 70% of the area, with heavy rain expected in Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, and Narathiwat. The temperature will range from 23 to 34°C, with eastern winds at 15-30 km/h. Sea waves will reach around 1 metre, rising to over 2 metres during storms.
The southern region (West Coast) will similarly encounter thunderstorms in 70% of the area, with heavy rainfall in Ranong, Phang Nga, Phuket, Krabi, Trang, and Satun. Temperatures will range from 24 to 33°C, with northwesterly winds at 15-30 km/h. The sea conditions will mirror the East Coast, KhaoSod reported.
Bangkok and surrounding areas will experience thunderstorms over 60% of the area, with heavy rain in certain parts. Temperatures will range between 25 and 35°C, with southern winds at 10-20 km/h.
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