Hurricane Irene formed on August 20. It became a hurricane while it passed through Puerto Rico. Irene then became the first hurricane of the season. Irene became a category 2 hurricane before reaching the Bahamas. It then strengthen into a major hurricane. Irene then became the first major hurricane of the season as well. Irene made landfall on Cape Lookout, North Carolina as a category 1 hurricane with 85 mph winds with an unusually low pressure for a category 1 hurricane. It then moved northeast. After weakening to a tropical storm, Irene made a second U.S. landfall at Brigantine Island in New Jersey at 5:35 a.m. The storm then moved northern and impacted New York City and New England. A total of 56 people were confirmed dead across the Caribbean, 10 U.S. states and Canada in the aftermath and damage from Hurricane Irene totaled $19 billion (2011 USD), making it the fifth costliest hurricane in the Atlantic basin. Irene then dissipated on August 29.