As of Saturday morning, Hurricane Erin had strengthened into a Category 5 storm with maximum sustained winds of up to 160 mph, the National Hurricane Center said. The storm is currently located about 105 miles north of Anguilla and about 235 miles east-northeast of San Juan, Puerto Rico. Erin is moving west at 17 mph.

Hurricane Erin is currently at Category 4 hurricane with sustained wind speeds of 145 mph and gusting to even higher levels. NOAA Hurricane Hunters flying into the storm also found that the minimum pressure was down to 935 mb as of 8:00 am AST on August 16.

SAN JUAN, Puerto Rico (AP) — 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. While the compact hurricane’s center wasn’t expected to hit land, it threatened to dump flooding rains as it continued to grow larger.