Heavy Rain Risk Area
The high pressure system from China extends to cover the upper North and the upper Northeast. Meanwhile the monsoon trough moves down to lie across the lower Central the upper South and the Eastern region with the rather strong southwest monsoon prevailing over the Andaman Sea, Thailand and the Gulf. Isolated heavy rains are forecast in the country while isolated very heavy rain are possible in the Central and the South (west coast) regions.
The rather strong wind forces the waves in the upper Andaman Sea up to be 2-3 meters high and above 3 meters high in thundershowers. In the lower Andaman Sea and the upper Gulf, the waves are expected about 2 meters high and above 2 meters high in thundershowers.
People should beware of heavy to very heavy rains and accumulation that may cause flash floods, overflows and landslides especially along the waterways near foothills and lowlands.
All ships in the Andaman Sea and the Gulf should proceed with caution and keep off thundershowers, small boats in the upper Andaman Sea keep ashore lasting 20 September 2026.
Varoitus voimassa la klo 0:40 - su klo 2:00
