the near equatorial trough spawned a tropical depression on july 30 over the open western pacific waters. it tracked to the west-northwest, becoming a tropical storm on the 2nd and a typhoon on the 4th. robyn turned more to the northwest, where it reached a peak intensity of winds on the 7th. it weakened to a typhoon before hitting southwestern japan on the 9th, and became extratropical on the 10th over the sea of japan. robyn caused 45 fatalities, 39 of which were from traffic related accidents, and $68 million in damage (1993 usd).