Japan’s Meteorological Agency says that on September 19, Japan time, the storm was hovering over water 110 kilometers (68 miles) west-northwest of Minami Daito Island, Okinawa Prefecture.

Roke is expected to continue to move northward slowly, it might hit Japan’s main island of Honshu on September 20, or later.

Some of the rain forecasts for Monday/Tuesday calls for up to 200 millimeters (7.87 inches) in southern Kyushu, 150 mm (5.9 inches) in northern Kyushu and some parts of western Japan, and 120 mm (4.7 inches) in Okinawa, Amami islands and Kinki region.

September 16, Japan’s Meteorological Agency says Tropical Storm Roke could trigger more damage.

The storm is expected to bring up to 40 millimeters (1.57 inches) of rain per hour in Okinawa and the southern part of Kyushu through Saturday.  As much as 250mm (9.8 inches) of rain is expected.

Officials are stepping up their monitoring of rivers that were dammed up by recent record rainfalls from Typhoon Talas.

In Wakayama Prefecture, officials are checking images taken by a surveillance camera near the lake, as well as a buoy used to monitor the water level.

Officials in Totsukawa Village, Nara Prefecture, issued evacuation advisories  due to the possibility of an older lake overflowing.  The lake was formed by landslides 120 years ago.