TMD: Heavy Rain Risk Area

The rather strong high-pressure system from China extend to upper Thailand and the South China Sea while the westerly trough will move pass Myanmar and the North. The moderate northeast monsoon prevails over the Gulf, the South and the Andaman Sea. Cool in the morning with strong wind are forecast in the upper country while thundershowers are likely in the North. Isolated heavy rains are forecast in the South. People in the South should beware of thundershowers, heavy rains and accumulations that may cause flash flood and overflows, especially along the waterways near foothills and lowlands. People in the upper country should keep healthy due to cold weathers. Farmer should prevent for crop's damage due to strong wind. In the Andaman Sea and the Gulf will strengthen, the waves will be 2-3 meters high in thundershower areas. All ships should keep off thundershowers and small boats should keep ashore.