#サマーソニック2026

Linear Rainband Floods Chiba Mall's Ground Floor—Sogo Chiba, Perier Chiba to Close Temporarily on the 14th

A linear rainband formed over Chiba on the night of the 13th, triggering an Emergency Heavy Rain Warning. Sogo Chiba, Perier Chiba, and Unimo Chiharadai will all close temporarily on the 14th—though both outlet malls and Summer Sonic 2026 will proceed as scheduled.