Heavy rain forecast across Thailand with risk of flash floods
Flood risks rise as soaked regions brace for another wave of downpours
The Thai Meteorological Department (TMD) has issued a warning for May 19, forecasting heavy rain across 42 provinces in Thailand, including Bangkok.
The rain is expected to affect 60% of the area, with risks of flash floods and water runoffs. The Andaman Sea and the Gulf of Thailand are predicted to experience high waves.
The weather forecast for the next 24 hours suggests a decrease in rainfall, although thunderstorms and heavy rain remain in certain areas. Residents are advised to be cautious of accumulated rainfall that might lead to sudden flooding, particularly in areas near mountains or low-lying regions.
This weather pattern results from the southwestern monsoon covering the Andaman Sea and western Thailand, with weakened southeasterly and southern winds over the lower northern, northeastern, central, and eastern regions.
Sea conditions in the Andaman and Gulf of Thailand are expected to be calmer, with Andaman Sea waves approximately 1 metre high and less than 1 metre in the Gulf of Thailand.
However, areas with thunderstorms may experience waves exceeding 2 metres. Mariners in these regions should sail with caution and avoid areas prone to thunderstorms.
Weather forecast
In northern Thailand, thunderstorms are predicted for 60% of the area, with heavy rain expected in Mae Hong Son, Chiang Mai, Nan, Uttaradit, Tak, Phichit, Phitsanulok, and Phetchabun. Temperatures range from 23 to 25°C to 33 to 37°C. The southwest winds are blowing at 5 to 15 kilometres per hour.
The northeastern region will also see thunderstorms over 60% of the area, with heavy rain in Loei, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Chaiyaphum, and Nakhon Ratchasima. Temperatures will vary between 24 and 26°C and 33 and 35°C, with southeasterly winds at 10 to 20 kilometres per hour.
In central Thailand, 60% of the area is expected to experience thunderstorms, particularly in Nakhon Sawan, Uthai Thani, Lopburi, Saraburi, Kanchanaburi, and Ratchaburi. Temperature lows are between 24 and 26°C, with highs of 33 and 36°C, accompanied by southern winds at 10 to 20 kilometres per hour.
Eastern Thailand will see similar conditions, with 60% of the area experiencing thunderstorms and heavy rain in Nakhon Nayok, Prachinburi, Sa Kaeo, Chon Buri, Rayong, Chanthaburi, and Trat. Temperatures range from 25 to 26°C to 33 to 35°C, with southeasterly winds at 10 to 30 kilometres per hour. In areas with thunderstorms, waves might exceed 2 metres.
The southern region’s eastern coast will witness thunderstorms in 60% of the area, largely in Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, and Narathiwat.
Temperatures are expected to be between 24 and 27°C and 34 and 36°C, with southeasterly winds at 10 to 30 kilometres per hour. The sea will have waves less than 1 metre high, but they could exceed 2 metres in stormy areas.
The western coast of the South will also be affected, with thunderstorms anticipated over 60% of the area, with heavy rain in Phang Nga, Phuket, Krabi, Trang, and Satun. Temperatures will range from 24 to 26°C to 33 to 36°C.
The southwest winds will reach speeds of 15 to 30 kilometres per hour, with waves around 1 metre high and potentially more than 2 metres in stormy conditions.
Bangkok and its vicinity are not exempt from the weather disturbance, as 60% of the area is expected to see thunderstorms and heavy rain. Temperatures will be between 26 and 27°C and 34 and 35°C, with southern winds blowing at 10 to 20 kilometres per hour, reported KhaoSod.
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