 The depression underwent rapid intensification as it became a tropical storm late in the morning on May 14 and was assigned the name Nida by the Japan Meteorological Agency (JMA).Still intensifying, the storm turned northwest where it reached typhoon status later that night.Curving west-northwest at 7 mph (11 km/h), Typhoon Nida attained winds of 115 mph (185 km/h), equivalent to a Category 3 hurricane.