Hurricane Ava was a Category 5 Pacific hurricane in June 1973 that was observed by flight and by satellite. It was the first named storm of the 1973 Pacific hurricane season. Forming in early June, Hurricane Ava eventually reached Category 5 intensity on the Saffir–Simpson hurricane scale, the first Pacific hurricane to do so in June and the earliest ever in a season. Its central pressure made it the most intense known Pacific hurricane at the time. Category 5 hurricane: peak winds of 160 mph (140 knots), lowest pressure 915 mb. June 2 – June 12, 1973. Accumulated cyclone energy: 29.1. Wiki link Track: NOAA National Hurricane Center, HURDAT2 best track EP011973 (public domain).