Hurricane Erin is a huge Category 4 storm and is expected to both grow larger and stronger today as it moves toward the west-northwest. The center of the storm is expected to remain offshore as it moves between the U.S. and Bermuda.

Hurricane Erin strengthened back into a Category 4 storm as U.S. officials warned of dangerous rip currents this week.

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.

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