 Yani then intensified fairly rapidly, being upgraded to a category two cyclone later that day while an eye was noted to be beginning to form.Yani was then upgraded to a category three severe tropical cyclone early the next day as the developing eye had established itself well.Later that day, Yani then reached its peak pressure of 960 hPa and its peak windspeeds of 140 km/h (85 mph) (10-min) and 130 km/h (80 mph) (1-min).