A map shows the expected path of tropical-storm-force winds from Hurricane Erin this week. (National Weather Service, NOAA/ Screenshot by NPR)Hurricane Erin is spinning toward the Bahamas and the U.S. as a major hurricane, with sustained winds near 140 mph. Category 4 Hurricane Erin moves past northern Caribbean islands Hurricane Erin exploded in strength to a Category 5 storm in the Caribbean before weakening on Saturday, the National Hurricane Center said. Erin is currently about 140 miles north of Grand Turk Island and moving west-northwest at 10 mph, according to the hurricane center’s 2 p.m. Vehicles try to navigate a flooded road in Naguabo, Puerto Rico, on Sunday, as Hurricane Erin brought heavy rain to the island over the weekend.