It soon reached its maximum intensity, generating sustained winds of just over 50 mph as it churned the open waters of the far eastern Indian Ocean.
On Saturday, the storm began to encounter strong wind shear aloft that caused it to begin to weaken as its circulation became disrupted.
Sean eventually dissipated far from any land areas, a threat only to shipping lanes during its brief lifespan.
Cyclone Sean Track
Satellite Loop Data: CIMSS