By this time , Igor had already begun Process_start a prolonged Change_event_time turn Change around the western periphery of the subtropical ridge .

Bret formed Coming_to_be along the southwestern periphery of a weather front north of the Bahamas on July 17 .

Moving Motion around the southern periphery of the Azores High located in the northeastern Atlantic , quick intensification to hurricane Catastrophe status occurred Coming_to_be early on August 25 .

As the cyclone reached Arriving the western periphery of the ridge that steered Control it across the Atlantic for much of its existence Presence , it began Process_start yet another period of intensification , and once again attained Getting a peak intensity as a Category 2 hurricane .