Overview
- The Japan Meteorological Agency reports very unstable conditions from northern to western Japan due to a developing low and an extended frontal zone.
- Forecast 24-hour rainfall through 6 a.m. Sept. 15 reached up to 100 mm in northern Kyushu, 80 mm in Hokuriku and Chugoku, and 60 mm in Tohoku.
- JR West temporarily halted Sanyo Shinkansen service between Okayama and Hiroshima on Sept. 15 because of heavy rain.
- A broad high is pushing temperatures to猛暑日 in parts of eastern and western Japan, with heatstroke alerts posted across multiple prefectures.
- A magnitude 3.0 earthquake was recorded around 11:32 a.m. Sept. 15 near Akusekijima in the Tokara Islands, with an intensity of 3 reported on the island.