July 19, 2020,
7-day accumulated precipitation from 12 July 20:30 UTC
A strong meridional gradient of sea surface temperature and a cold air trough over East Asia caused a distinct
Japanese monsoon season. Daily precipitation of more than 140 mm was common. The station with the heaviest
precipitation was in Ushibuka with a maximum daily precipitation of 429 mm and a 10-day precipitation of 800.5 mm.