May 29 forecast warns of heavy rain, rough seas in Thailand
Thailand is expected to see increased rainfall over the next 24 hours, with heavy rain forecast in some areas and very heavy rain in parts of the South’s west coast, according to the Thai Meteorological Department (TMD) today, May 29.
The TMD said a moderately strong southwest monsoon covering the Andaman Sea, Thailand and the Gulf of Thailand, combined with a monsoon trough stretching across upper Laos into a low-pressure cell over the South China Sea, is causing wetter conditions across the country.
Residents were advised to prepare for heavy to very heavy rain and accumulated rainfall, which may trigger flash floods and runoff, especially in low-lying areas and locations near waterways.
Waves in the upper Andaman Sea, from Phuket northward, are forecast at two to three metres and higher than three metres during thunderstorms. In the lower Andaman Sea, from Krabi southward, waves are expected to be around two metres, and above two metres during thunderstorms.
The upper Gulf of Thailand is forecast to see waves of one to two metres, rising above two metres during thunderstorms. Boat operators were urged to proceed with caution and avoid stormy areas, while small boats in the upper Andaman Sea should remain ashore during this period.
The Thailand weather forecast for the 24 hours from 6am today to 6am tomorrow predicts thunderstorms across all regions.
In North Thailand, thunderstorms are expected in 60% of the region, with heavy rain in some areas. Temperatures are forecast between 22°C and 38°C. Southwest winds are forecast at 10 to 20 kilometres per hour.
Affected northern provinces are Mae Hong Son, Chiang Mai, Lamphun, Lampang, Nan, Uttaradit, Sukhothai, Kamphaeng Phet, Phichit, Phitsanulok, Phetchabun and Tak.
In the Northeast, thunderstorms are expected in 60% of the region, with heavy rain in some areas. Temperatures are forecast between 23°C and 38°C. Southwest winds are forecast at 10 to 20 kilometres per hour.
Affected northeastern provinces are Nong Khai, Bueng Kan, Sakon Nakhon, Nakhon Phanom, Chaiyaphum, Mukdahan, Maha Sarakham, Roi Et, Yasothon, Amnat Charoen, Nakhon Ratchasima, Buri Ram, Surin, Si Sa Ket and Ubon Ratchathani.
In Central Thailand, thunderstorms are expected in 60% of the region. Temperatures are forecast between 23°C and 39°C. Southwest winds are forecast at 10 to 20 kilometres per hour.
Affected central provinces are Kanchanaburi, Uthai Thani, Saraburi, Phra Nakhon Si Ayutthaya, Suphan Buri, Ratchaburi, Nakhon Pathom and Samut Sakhon.
In East Thailand, thunderstorms are expected in 60% of the region, with heavy rain in some areas. Temperatures are forecast between 24°C and 37°C. Southwest winds are forecast at 15 to 35 kilometres per hour. Waves are forecast at one to two metres and more than two metres during thunderstorms.
Affected eastern provinces are Nakhon Nayok, Chachoengsao, Chon Buri, Rayong, Chanthaburi and Trat.
In South Thailand’s east coast, thunderstorms are expected in 60% of the region, with heavy rain in some areas. Temperatures are forecast between 23°C and 36°C. Southwest winds are forecast at 15 to 35 kilometres per hour. Waves are forecast at around one metre, one to two metres offshore and above two metres during thunderstorms.
Affected provinces are Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani and Nakhon Si Thammarat.
In South Thailand’s west coast, thunderstorms are expected in 70% of the region, with heavy to very heavy rain in some areas. Temperatures are forecast between 24°C and 35°C.
Affected provinces are Ranong, Phang Nga, Phuket and Krabi.
From Phuket northward, waves are forecast at two to three metres and above three metres during thunderstorms. Southwest winds are forecast at 20 to 40 kilometres per hour.
From Krabi southward, waves are expected at around two metres and above two metres during thunderstorms. Southwest winds are forecast at 20 to 35 kilometres per hour.
In Bangkok and nearby provinces, thunderstorms are expected in 60% of the area, with heavy rain in some locations, mostly during the afternoon and evening. Temperatures are forecast between 26°C and 37°C, with southwest winds at 10 to 20 kilometres per hour.
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