High Quality Content by WIKIPEDIA articles! Hurricane Irene was a long-lived Cape Verde-type Atlantic hurricane during the 2005 Atlantic hurricane season. The storm formed near Cape Verde on August 4 and crossed the Atlantic, turning northward around Bermuda before becoming extratropical southeast of Newfoundland. Irene persisted for 14 days as a tropical system, the longest duration of any storm of the 2005 season. It was the ninth named storm and fourth hurricane of the record-breaking season.