Well, turns out you're right that there's no need for a typhoon in order to produce 100mm/hr of rain. Just yesterday, Hiroshima set a new three-hour rainfall r

Well, turns out you're right that there's no need for a typhoon in order to produce 100mm/hr of rain. Just yesterday, Hiroshima set a new three-hour rainfall record of 217.5mm. The peak was just over 100mm/hr. Massive landslides killed over 40 people. No typhoon was involved.