Hurricane Erin could 'at least double or triple in size' next week and the track has shifted south, but remains likely to turn away from the East Coast.

Forecasters are tracking a new disturbance in the Atlantic Ocean as Hurricane Erin, a Category 5 storm, undergoes an eyewall replacement cycle, according to a Saturday night update from the National Hurricane Center.

Hurricane Erin has become a rare and “catastrophic” Category 5 hurricane with sustained winds near 160 mph, according to the National Hurricane Center.

Anyone who rides out a Cat 5 storm in a high-rise should be prepared for an eyes-wide-open nightmare and an apocalyptic aftermath, one expert warns. The higher up you are, the stronger the winds

Erin, the first hurricane of the season, is now a powerful Category 4 hurricane. Here's where it could head in the week ahead.