Severe thunderstorms and heavy rain forecast for 45 provinces

The Meteorological Department of Thailand (TMD) issued a warning for severe weather, predicting thunderstorms and heavy rain across 45 provinces, with Bangkok expected to be significantly impacted. Citizens are advised to take precautions against the potential dangers of severe rain and flooding.

Today, July 8, the TMD forecasts that the southwest monsoon will cover the Andaman Sea, Thailand, and the Gulf of Thailand. This weather pattern will bring thunderstorms and heavy rain to various parts of the country. People in these areas should be cautious of hazardous conditions due to accumulated rainfall.

The upper Andaman Sea will experience moderate wind waves with heights between 1 and 2 metres, and areas with thunderstorms could see wave heights exceeding 2 metres. The lower Andaman Sea and the Gulf of Thailand will have waves around one metre high, with stormy areas seeing waves over 2 metres. Mariners are advised to navigate carefully and avoid sailing in areas with thunderstorms.

From 6am today until 6am tomorrow, the northern region will have thunderstorms covering 70% of the area, with heavy rain expected in Mae Hong Son, Phrae, Nan, Tak, Kamphaeng Phet, Sukhothai, Uttaradit, Phitsanulok, and Phetchabun. Temperatures will range from 24 to 27 degrees Celsius in the morning and rise to 33 to 37 °C during the day. Southwest winds will blow at speeds of 10 to 15 kilometres per hour.

In the northeastern region, thunderstorms will cover 60% of the area, with heavy rain anticipated in Loei, Nong Bua Lamphu, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Chaiyaphum, and Nakhon Ratchasima. Temperatures will range from 24 to 27°C in the morning and peak at 33 to 36°C. Southwest winds will blow at speeds of 10 to 20kp/h.

The central region will experience thunderstorms over 70% of the area, with severe rain in Uthai Thani, Chainat, Lopburi, Saraburi, Suphanburi, Kanchanaburi, Ratchaburi, Nakhon Pathom, Samut Songkhram, and Samut Sakhon. Morning temperatures will be between 24 and 27°C, with highs of 34 to 36°C. Southwest winds will blow at speeds of 10 to 20kp/h.

Thunderstorms

In the eastern region, 60% of the area will see thunderstorms, with heavy rain in Nakhon Nayok, Chon Buri, Rayong, Chanthaburi, and Trat. Temperatures will range from 24 to 28 degrees Celsius in the morning and rise to 32 to 35 degrees Celsius during the day. Southwest winds will blow at speeds of 15 to 30 kilometres per hour. The sea will have waves about 1 metre high, with stormy areas experiencing waves over 2 metres.

The southern region (east coast) will have thunderstorms in 40% of the area, particularly in Phetchaburi, Prachuap Khiri Khan, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Yala, and Narathiwat. Morning temperatures will be between 23 and 26°C, with highs of 33 to 36°C. Southwest winds will blow at speeds of 15 to 30kp/h, and the sea will have waves around 1 metre high, with stormy areas seeing waves over 2 metres.

The southern region (west coast) will also experience thunderstorms in 40% of the area, mainly in Krabi, Trang, and Satun. Morning temperatures will range from 24 to 26°C, with daytime highs of 31 to 33°C. In areas from Ranong upwards, southwest winds will blow at speeds of 15 to 35kp/h with sea waves reaching 1 to 2 metres and over 2 metres in stormy areas. From Phang Nga downwards, southwest winds will blow at speeds of 15 to 30kp/h, with sea waves around 1 metre high and over 2 metres in stormy areas.

Bangkok and its vicinity will see thunderstorms over 70% of the area. Morning temperatures will be between 26 and 27°C, with highs of 33 to 35 °C. Southwest winds will blow at speeds of 10 to 20kp/h.