Southern Thailand, prepare for heavy rainfall and potential flash floods/landslides from December 4-7, 2025, with December 5th being the most critical day. Stay safe, monitor official updates, and remember 199 for emergencies in high-risk provinces like Surat Thani and Nakhon Si Thammarat.
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Period of Increased Rainfall
From December 4th to December 7th, 2025, the Meteorological Department has issued a warning for increased rainfall across the southern region of Thailand. The situation is especially critical on December 5th, when heavy to very heavy rains are anticipated to affect several areas simultaneously.
Areas of Highest Concern
On December 5, several provinces are expected to experience severe weather patterns, with some areas likely to see extremely heavy downpours. The provinces highlighted for heightened risk include:
- Surat Thani
- Nakhon Si Thammarat
- Phatthalung
- Songkhla
- Pattani
- Narathiwat
- Phang Nga
- Krabi
- Satun
- Trang
Communities within these provinces are advised to stay vigilant and prepare for potential adverse conditions.
Possible Hazards and Safety Precautions
The anticipated heavy rainfall may lead to multiple hazards:
- Flash floods: Rapid flooding, especially in low-lying and riverine areas.
- Forest run-offs: Sudden surges of water from upland areas that can inundate valleys and settlements.
- Landslides: Inclined terrains may become unstable and slide due to water saturation.
- Fallen trees: Strong winds and soft soil may result in trees toppling onto roads and houses.
Residents are encouraged to monitor weather updates closely and avoid traveling to high-risk areas, such as mountainous regions or riverbanks. Emergency kits, including water, food, and essential supplies, should be prepared in advance.
Emergency Contact and Response
For immediate assistance in the case of any disaster – such as flash floods, landslides, or trees blocking roads and damaging property – the public can contact the Disaster Aid Hotline at 199. The hotline operates 24 hours a day and provides rapid response services.
Koh Samui: Safety Initiatives and Sustainable Development
Koh Samui, a major island in the Surat Thani province, maintains a consistent commitment to safety, supported by initiatives emphasizing smart and sustainable growth. The motto “SMART & SUSTAINABLE ISLAND – A LIVABLE SAMUI FOR ALL” captures ongoing efforts to ensure that Samui remains safe, resilient, and enjoyable for residents and visitors alike.
The local administration continues to develop infrastructure and manage resources in ways that promote both environmental stewardship and public preparedness during weather events.
Monitoring and Updates
The Meteorological Department urges everyone to stay updated on the evolving situation through official channels. Regular monitoring of local news, weather bulletins, and municipal announcements is essential, particularly for those residing in or traveling through the affected provinces.
Frequently Asked Questions
Frequently Asked Questions (FAQ)
What should residents and travelers in Southern Thailand do to prepare for the heavy rainfall alert between December 4-7, 2025?
Residents and travelers should stay informed through official weather updates, avoid traveling to high-risk areas like mountainous regions and riverbanks, and prepare emergency kits with water, food, and essential supplies. Close monitoring of municipal and weather announcements is crucial during this period.
Which areas are most at risk for flash floods, landslides, or severe weather according to the alert?
The provinces at highest risk include Surat Thani, Nakhon Si Thammarat, Phatthalung, Songkhla, Pattani, Narathiwat, Phang Nga, Krabi, Satun, and Trang, with the situation being especially critical on December 5, 2025.
Who should be contacted in case of an emergency such as flooding, landslides, or fallen trees?
In the event of disasters or emergencies – including flash floods, landslides, or fallen trees – the public should contact the Disaster Aid Hotline at 199, which operates 24 hours a day to assist with urgent situations in affected areas.
