Monsoon Warning: Heavy Rain Expected in Thailand
August 13-15, 2023
The Meteorological Department has issued Announcement No. 5, indicating that the monsoon season still lingers, and warns of heavy to very heavy rainfall across various areas in Thailand this August.
According to the department’s official statement released on August 13, there will be heavy to very heavy rain in certain parts of Thailand, along with strong wind waves in the Andaman Sea and the upper Gulf of Thailand.
This weather phenomenon is caused by the prevailing intense south-west monsoon over the Andaman Sea, Thailand, and the Gulf of Thailand. Additionally, a weak monsoon trough can be found across the upper North, extending to upper Laos and a low-pressure cell in upper Vietnam.
In Announcement No. 4, it was already highlighted that heavy to very heavy rain was expected from August 13 to August 15. A 10-day advance rainfall forecast indicates that the north-eastern region of Thailand should expect heavy rain as well.
Thailand will experience more rainfall, with some areas in the central and southern parts of the east coast encountering heavy rain. The North, North East Coast, East, and South West regions will be hit by very heavy rain. Residents in these areas are urged to take precautions.
The risk of heavy to very heavy rain, along with accumulated rainfall, poses a threat of flash floods and landslides, especially in low-lying areas and foothills near water bodies. People should exercise caution while traveling through regions prone to thunderstorms.
The Meteorological Department has identified several states that are expected to face heavy to very heavy rain on specific days:
August 13, 2023
- Northern region: Chiang Rai, Phayao, Nan, and Tak provinces
- Northeast region: Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Mukdahan, Yasothon, Amnat Charoen, and Ubon Ratchathani
- Eastern region: Nakhon Nayok, Prachinburi, Chanthaburi, and Trat
- Southern region: Chumphon, Surat Thani, Nakhon Si Thammarat, Yala, Pattani, Narathiwat, Ranong, Phang Nga, Phuket, Krabi, Trang, and Satun
August 14, 2023
- Northern region: Hong Son, Chiang Mai, Chiang Rai, Phayao, Nan, Phrae, Lamphun, Lampang, Uttaradit, Tak, Phitsanulok, and Phetchabun
- Northeast region: Loei, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Mukdahan, Amnat Charoen, and Ubon Ratchathani
- Central region: Kanchanaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram, and Ratchaburi
- Eastern region: Nakhon Nayok, Prachinburi, Chanthaburi, and Trat
- Southern region: Chumphon, Surat Thani, Nakhon Si Thammarat, Ranong, Phang Nga, Phuket, Krabi, Trang, and Satun
August 15, 2023
- Northern region: Hong Son, Chiang Mai, Chiang Rai, Phayao, Nan, Phrae, Lamphun, Lampang, Uttaradit, and Tak
- Northeast region: Loei, Nong Khai, Bueng Kan, Sakon Nakhon, and Nakhon Phanom provinces
- Central region: Kanchanaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram, and Ratchaburi
- Eastern region: Nakhon Nayok, Prachinburi, Rayong, Chanthaburi, and Trat
- Southern region: Chumphon, Surat Thani, Nakhon Si Thammarat, Ranong, Phang Nga, Phuket, Krabi, Trang, and Satun
The upper Andaman Sea and the upper Gulf of Thailand will experience significant wind waves, reaching heights of 2-3 meters. In areas prone to thunderstorms, the waves may exceed 3 meters. The lower Andaman Sea and the lower Gulf of Thailand will see waves reaching 1-2 meters, and more than 2 meters in thunderstorm areas.
Boaters are advised to exercise caution and avoid sailing in regions prone to thunderstorms. Small boats in the upper Andaman Sea and the upper Gulf of Thailand should refrain from leaving the shore.
Meteorological Department Announcement No. 5, the monsoon is still covered, warns August 13-15, this August, many areas throughout Thailand are preparing for heavy to very heavy rain.
The Meteorological Department issued an announcement on “heavy to very heavy rain in some areas in Thailand. and strong wind waves in the Andaman Sea and the upper Gulf of Thailand “No. 5, in effect from 13 – 15 August 2023
with details of that The rather intense south-west monsoon prevails over the Andaman Sea, Thailand and the Gulf of Thailand. In addition, there is a weak monsoon trough across the upper North. and upper Laos entering a low pressure cell in upper Vietnam
Announcement No. 4 Warning! Heavy to very heavy rain 13-15 August.
Rain forecast 10 days in advance, expect heavy rain to the north-east
This phenomenon causes more rain in Thailand. And there is some heavy rain in the central and southern parts of the east coast. with very heavy rain in some areas in the North North East Coast, East and South West Ask people in the area
Watch out for the risk of heavy to very heavy rain and accumulated rain. which can cause flash floods and flash floods especially on foothills near waterways and low-lying areas Including increased care when traveling through areas prone to thunderstorms
Some states expected to experience heavy to very heavy rain are as follows:
Day 13 August 2023
Northern region: Chiang Rai, Phayao, Nan and Tak provinces
Northeast Region: Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Mukdahan, Yasothon
Amnat Charoen and Ubon Ratchathani
Eastern region: Nakhon Nayok, Prachinburi, Chanthaburi and Trat
Southern Region: Chumphon, Surat Thani, Nakhon Si Thammarat, Yala, Pattani, Narathiwat, Ranong
Phang Nga, Phuket, Krabi, Trang and Satun
Day 14 August 2023
Northern region: Hong Son, Chiang Mai, Chiang Rai, Phayao, Nan, Phrae, Lamphun, Lampang, Uttaradit, Tak, Phitsanulok and Phetchabun
Northeast region: Loei, Nong Khai, Bueng Kan, Udon Thani, Sakon Nakhon, Nakhon Phanom, Mukdahan
Amnat Charoen and Ubon Ratchathani
Central region: Kanchanaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram and Ratchaburi
Eastern region: Nakhon Nayok, Prachinburi, Chanthaburi and Trat
Southern region: Chumphon, Surat Thani, Nakhon Si Thammarat, Ranong, Phang Nga, Phuket, Krabi, Trang and Satun.
Day 15 August 2023
Northern region: Hong Son, Chiang Mai, Chiang Rai, Phayao, Nan, Phrae, Lamphun, Lampang, Uttaradit and Tak
Northeast: Loei, Nong Khai, Bueng Kan, Sakon Nakhon and Nakhon Phanom provinces.
Central region: Kanchanaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram and Ratchaburi
Eastern region: Nakhon Nayok, Prachinburi, Rayong, Chanthaburi and Trat
Southern region: Chumphon, Surat Thani, Nakhon Si Thammarat, Ranong, Phang Nga, Phuket, Krabi, Trang and Satun.
For wind waves in the upper Andaman Sea and the upper Gulf of Thailand are quite strong. with waves 2-3 meters high, more than 3 meters in thunderstorm areas, in the lower Andaman Sea and the lower Gulf of Thailand The sea has waves 1-2 meters high and more than 2 meters in thunderstorm areas.
All boaters in the area are asked to navigate with care and to avoid sailing in areas prone to thunderstorms. For small boats in the upper Andaman Sea and the upper Gulf of Thailand it should also refrain from leaving the shore.
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