Cold Wave Returns: Chilly Air Mass from China Covers Northern Thailand

A moderate high-pressure system and cold air mass from China is covering northern Thailand, causing cool to cold temperatures in the Northern and Northeastern regions. Central and Eastern areas will experience cool morning conditions, with officials advising citizens to take care of their health during the cold weather. The Southern region will continue to see scattered rain due to a moderate northeast monsoon affecting the Gulf of Thailand, Southern regions, and Andaman Sea. Wave heights in the lower Gulf are expected to be around 2 meters, with boat operators advised to exercise caution. Particulate matter in upper Thailand remains at moderate levels due to improved air circulation.