Severe Tropical Cyclone Catastrophe Jasmine ( RSMC Nadi designation : 12F , JTWC designation : 10P ) was a powerful and long-lived annular tropical cyclone Catastrophe that affected Influence several countries , particularly Vanuatu and Tonga , over a 16-day span in February 2012 .

Steadily intensifying Cause_change_of_strength , Jasmine reached Arriving peak intensity on 8 February as a Category 4 equivalent on the Saffir–Simpson Hurricane Scale , while beginning Process_start to show annular characteristics .

After turning Becoming to the east , it developed Cause_change_of_strength characteristics of an annular hurricane Catastrophe , meaning it had a circular eye , a ring of convection , and had few fluctuations in its intensity .

The wide system displayed Action annular characteristics and a wide eye .