Overview

• The Japan Meteorological Agency said the atmosphere will be very unstable on Sept. 14, with risks that include downpours, tornadoes, violent gusts and hail.
• Authorities urged strict vigilance for landslides, lowland inundation and rising rivers in the Chugoku region and northern Kyushu.
• Forecast 24-hour rainfall totals through 6 a.m. Sept. 15 reach up to 100 millimeters in northern Kyushu, 80 millimeters in Hokuriku and Chugoku, and 60 millimeters in Tohoku.
• For northern Kyushu’s Yamaguchi, Fukuoka and Nagasaki, the agency flagged a morning risk of linear rainbands, with peak hourly rain projected at 70 millimeters in Yamaguchi and 60 millimeters in Fukuoka and Nagasaki.
• The frontal zone is expected to linger into the night, keeping conditions volatile across broad areas from northern to western Japan.