Typhoon Robyn, known in the Philippines as Typhoon Openg, was a mid-season tropical cyclone that brushed Japan during August 1993. Typhoon Robyn originated from a near equatorial monsoon trough in the eastern Caroline Islands in late July. Tracking west-northwest, a tropical depression developed on August 1, and became a tropical storm the next day. Following an increase in organization, Robyn obtained typhoon intensity on August 5. The typhoon briefly tracked west before veering to the northwest while intensifying. On August 7, Robyn attained its peak intensity of 160 km/h (100 mph), with a barometric pressure of 940 mbar (27.8 inHg). After passing through the Ryukyu Islands, Robyn skirted past western Kyushu on August 9 while steadily weakening. Midday on August 10, Robyn lost typhoon in