The National Hurricane Center says that Katia has "rapidly" intensified into a Category 2 hurricane. Hurricane specialist Robbie Berg said earlier today that Katia has cycled on and off between tropical storm and hurricane status while moving across the open Atlantic. But as of 11am today, Katia had sustained winds of 100mph, and was moving northwest at 12mph.
Berg says Katia poses no threat to land over the next 48 hours, but he urged those on the East Coast and in Bermuda to remain watchful but not be alarmed. (Read more severe weather stories.)