In mid-March 2025, a rare weather phenomenon occurred on Mount Tà Xùa in Bản Công commune, Trạm Tấu district, Yên Bái province, Vietnam, as frost appeared, covering trees and grasslands.
The frost began forming on the night of March 18 on Mount Tà Xùa, which stands over 2,800 meters above sea level, and persisted until the morning of March 19. The outdoor temperature dropped to 0°C, creating conditions for frost to blanket branches and grasslands, resulting in a characteristic winter landscape.
Mr. Đào Viết Nghiêm, Chairman of the Bản Công Commune People's Committee, stated that annually, Tà Xùa typically experiences frost during the main winter months, such as December and January, or at most in February. This is the first time residents have witnessed frost forming in March, surprising and delighting many.
The cause of this phenomenon is attributed to the northern region being affected by a reinforcing cold air mass. On the morning of March 19, the lowest temperatures were recorded in Sa Pa (Lào Cai) and Pha Đin (Điện Biên) at 5°C; Sìn Hồ (Lai Châu) and Đồng Văn (Hà Giang) at 6°C; Mù Cang Chải (Yên Bái) nearly 10°C; and Hanoi 16°C. According to the rule, for every 100 meters increase in altitude, the temperature decreases by approximately 0.6°C, explaining the freezing temperatures at the summit of Tà Xùa.
This is the second time in 2025 that frost has appeared on Mount Tà Xùa. Previously, this phenomenon was recorded on January 11.
The occurrence of frost at this time not only creates a unique landscape but also attracts the attention of many nature enthusiasts and tourists seeking to experience this special weather phenomenon. However, residents and visitors should be mindful of the harsh weather conditions to ensure safety when visiting this area.
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