yphoon Oliwa was one of a record eleven super typhoons in a season with how many Category 5 storms?
Typhoon Oliwa: Typhoon Oliwa was one of a record eleven super typhoons in the 1997 Pacific typhoon season. 1997 Pacific typhoon season:  This was the most active tropical cyclone season ever recorded, with a record ten Category 5 storms forming and with an ACE of 594.11.
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