Hurricane Erin roared from a tropical storm to a Category 5 monster in 24 hours, fueled by record-hot oceans. Puerto Rico and nearby islands brace for floods and landslides while U.S. coasts eye rising risks driven by climate change.
LIVE MAP: Track the path of Hurricane Erin
Hurricane Erin exploded in strength to a Category 5 storm in the Caribbean on Saturday, rapidly powering up from a tropical storm in a single day, the National Hurricane Center said.