 The Korean Coast Guard said that a total of 52,000 ships remained at ports across the nation.Mount Jiri was also closed ahead of the storm's passage through Korea, which was expected to bring up to 100 mm (4 inches) of rain.In South Korea, Jeju Island reported 100 mm (4 inches) of rain by September 16, well before the typhoon hit, while Busan had reported 60 mm (2 inches).