Hurricane Erin on Monday bulked back up as a major Category 4 storm with an increasing wind field as it moved near the Bahamas. Meanwhile, the National Hurricane Center increased the odds a system

Hurricane Erin is still headed north, slowly powering up the Atlantic. While on average a hurricane moves at 15 to 20 mph, Erin, a Category 4 storm, has been moving at 10 mph, sometimes slower, according to the National Hurricane Center.

Though Hurricane Erin will not make landfall in the U.S., here's why a Tropical Storm Watch has been issued for parts of North Carolina.

Island communities off the coast of North Carolina are bracing for flooding ahead of Hurricane Erin, the year’s first Atlantic hurricane.

This past weekend, Hurricane Erin went through one of the most rapid intensifications of any Atlantic hurricane on record. Climate change and other factors may make such leaps more common in

Hurricane Erin's "effects on the ocean will become increasingly hazardous over the next several days," according to Volusia County government.

While the category 4 storm is not expected to make landfall on the U.S. east coast, it will have an impact nonetheless. Dangerous high surf and rip currents are expected from Florida to New England throughout the week.

Hurricane Erin is expected to grow in size and strength as it moves north through the Atlantic this week. Forecasters expect it to pass well offshore of North Carolina on Wednesday and Thursday, but say it likely will cause coastal flooding and erosion, along with dangerous rip currents.