 While moving across northern Japan , Thad affected 21 of Japan 's 47 provinces while becoming the first storm to directly strike Kanto in 16 years . A peak rainfall total of 590 mm ( 23 in ) was recorded in Oku @-@ Nikko in Tochigi , including 571 mm ( 22 @.@ 5 in ) in a day . A peak hourly storm total of 571 mm ( 22 @.@ 5 in ) was measured at Kamisatomi in Gunma . Thad was responsible for strong winds , including a 76 km / h ( 47 mph ) wind speed at Hidakamombetsu on Hokkaido . 
