Hurricane Erin strengthened into a Category 2 storm on Friday as it approached the northeast Caribbean, prompting forecasters to warn of possible flooding and landslides.

Hurricane Erin became a catastrophic Category 5 storm before noon on Saturday, Aug. 16, according to the latest advisory from the National Hurricane Center.

The outer bands of Erin are expected to produce 2 to 4 inches of rainfall and isolated totals of 6 inches across the northern Leeward Islands, the Virgin Islands, and Puerto Rico through Aug. 17.