Tokyo and the surrounding areas remained on alert for heavy snowfall Thursday, as snow and rain fell across wide areas of central and eastern Japan, disrupting air, railway and road traffic.

The Japan Meteorological Agency forecast snow and rain to continue in the Japanese capital and surrounding areas through Friday morning, urging continued caution amid frozen roads and traffic disruptions.

Snow alerts had been issued for parts in Nagano, Shizuoka and Yamanashi prefectures in central Japan, as well as the Tama region of western Tokyo.