There is no cause for alarm. Repeat: THERE IS NO CAUSE FOR ALARM! A small typhoon (which meteorologists refer to as a “typhette”) will pass directly over Kumamoto late tonight, and the usual warnings might well be heeded: fill your bathtub, make sure your flashlights are accessible and with fresh batteries, take care of your potted plants, learn how to swim if you haven’t yet. JMA - the Japan Meteorological Agency - has a cool live-time image of cloud movements https://www.jma.go.jp/bosai/#area_type=offices&area_code=430000&pattern=rain_snow and Shirakawa Wakuwaku Land (an oddly interesting place to visit - it’s next to Kokai shopping street) live video of several river sites in the city. http://www.qsr.mlit.go.jp/kumamoto/bousai/kmmWeb/camImage.php?no=3_5 - William