(Yonhap) -- Heavy rainstorms are forecast across the country this weekend as another major typhoon makes its way toward the
Typhoon Sanba, positioned about 470 kilometers south-southeast of Okinawa, Japan, was traveling north-northwestward at a speed of about 18 kilometers per hour as of 9 a.m. Saturday, according to the Korea Meteorological Administration (KMA).
The typhoon, named after a city in
Sanba is expected to reach South Korean waters, about 60 kilometers east-southeast of Seogwipo,
Officials said Sanba could be one of the strongest typhoons to ever hit
Sanba is the third typhoon to approach
Sanba is expected to bring heavy rains nationwide starting Sunday, first on Jeju Island then to all parts of the nation by late night.
Officials said Jeju and southern coastal regions could have more than 20 millimeters of rain per hour from early Sunday.
A KMA official said a special typhoon alert will likely be issued for Jeju early Sunday and then the rest of the country by Monday.