Authorities in many provinces in the North, including Chiang Rai and Nan, have issued warning for local residents over possible flash floods and landslides following continuing downpours.
Rescue teams are also on alert in case of emergency. Endless heavy rainfall for over 24 hours in Chiang Rai, particularly in Chiang Saen district, led to a flash flood from Doi Mae Ab to flood nearby households in Pa Teung Forest, Baan Saew Village, where civil servants were dispatched to provide emergency assistance to local residents.
The provincial official has warned 18 districts in to remain alert for forest runoff, flash floods, and landslides and prepare for round-the-clock evacuation if necessary.
In Nan province, the army's Military Development Unit 31 mobilised soldiers to assist villagers in clearing out their belongings and cleaning their houses, after the area experienced a flash flood yesterday.
The powerful western monsoon will cover the Andaman Sea in southern Thailand from today through Friday, and is expected to cause high waves of up to 3-5 metres high.
The provincial disaster response office warned local fishermen to use their boats with extreme caution, while small boats should refrain from leaving shore.
The office also warned residents in areas at risk of flooding to remain vigilant regarding heavy downpours, flash flooding and landslides.
The strong winds in Trang province have prompted villagers in four coastal districts to take shifts to monitor the level of sea water driven ashore by the strong winds, as some houses have already had waves pushing against them.
At the same time, nine households on Li Bong Island fled after 3-metre waves dashed against the shoreline.