Typhoon 17 formed in the waters near the Ogasawara Islands on Wednesday, Aug. 12 [1].

The storm's timing is critical because it may approach the Kanto and Tohoku regions shortly after Typhoon 15 made landfall [2]. This sequence of events increases the risk of coastal flooding and high waves for communities that have not yet finished recovering from the previous storm [1].

Meteorologists expect the system to move north along the eastern coast of Japan [1]. Forecasts indicate the storm will continue this northward trajectory through next Monday, Aug. 19 [2].

While the storm remains offshore, its proximity to the coast is expected to generate higher waves on the Pacific side [1]. Authorities said those engaging in ocean leisure activities should exercise caution as the system progresses.

There are conflicting reports regarding the exact origin of the system. FNN said the typhoon formed near the Ogasawara Islands on Aug. 12 [1]. However, other reports suggested a tropical depression east of the Philippines was expected to develop into the storm within a 24-hour window [2].

The projected track suggests the storm could bring significant maritime disruptions to the Pacific coast of Japan over the coming week [1]. Local officials said they are monitoring the Kanto and Tohoku regions to determine if the system will bring wind and rain inland or remain a coastal threat [2].

Typhoon 17 formed in the waters near the Ogasawara Islands on Wednesday, Aug. 12.

The rapid succession of two typhoons targeting the same coastal regions, Kanto and Tohoku, compounds the risk of infrastructure failure and flooding. Saturated ground from Typhoon 15 makes these areas more susceptible to landslides and storm surges from Typhoon 17, even if the second storm is less intense than the first.