Japan's weather agency said Wednesday that powerful Typhoon Krosa is set to make landfall in the west of the country the following day, warning of potential record rainfall, mudslides and floods.
Airlines and railway operators announced reduced services in regions near the storm's path, possibly disrupting millions of travelers returning to major cities following Bon holidays visits to their hometowns.
The Japan Meteorological Agency said the typhoon, traveling at a speed of 20 kilometers per hour, had weakened from the day before but could still dump around 1,200 millimeters of rain on some eastern and western areas facing the Pacific.
Japan Airlines Co. and All Nippon Airways Co. have decided to cancel a total of more than 300 domestic and international flights on Thursday.
Low-cost carrier Peach Aviation Ltd. canceled 35 domestic flights on Thursday, as well as 13 international flights departing from and arriving at Tokyo's Haneda airport and Kansai International Airport.
West Japan Railway Co. will suspend almost all of its shinkansen bullet train services. Services between Shin-Osaka and Kokura will be canceled, while those between Kokura and Hakata in Kyushu will be significantly reduced, the company said.
Central Japan Railway Co., an operator of shinkansen services between Tokyo and Shin-Osaka, and Kyushu Railway Co. said they will also cut their bullet train services.
Shikoku Railway Co. said it plans to entirely suspend services in its area on the western main island.
The season's 10th typhoon with an atmospheric pressure of 965 hectopascals at its center was packing winds of up to 144 kph as of 9 p.m. Wednesday, the agency said.
In a valley in Kusu, Oita Prefecture, a group of 18 people including children were stranded following the rise of a river, local officials said.
Rescuers headed to the scene where the group was apparently at a barbecue, the officials said, adding there were no reports of injuries.
The typhoon is approaching as Japan on Thursday will mark the 74th anniversary of its surrender in World War II, with memorial services including those in Ehime, Fukuoka, Kumamoto and Oita prefectures already canceled.
The government will hold an annual ceremony at Nippon Budokan in Tokyo, but many relatives of the war dead from the Kyushu and Shikoku regions will be unable to attend the event.
Prime Minister Shinzo Abe returned to Tokyo on Wednesday afternoon earlier than scheduled from his hometown in Yamaguchi Prefecture and attended a meeting on the typhoon with ministers at his office.