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

A new system has emerged in the eastern tropical Atlantic, heading westward toward the Leeward Islands as Hurricane Erin continues to spin.

Tropical Storm Erin is approaching Puerto Rico and the Virgin Islands, bringing heavy rains that could cause flooding and landslides

Tropical Storm Erin is expected to become a hurricane on Friday, according to the National Hurricane Center. As of the 5 p.m. advisory, Erin was located about 890 miles east of the Northern Leeward Islands and had maximum sustained winds of 60 mph with a minimum central pressure of 998 mb.

Implications for the Leeward Islands: Residents and visitors in St. Thomas, St. John, St. Croix, Puerto Rico and the northern Leeward Islands should monitor this system throughout the week. Even if the wave remains weak, increased moisture could bring showers, gusty winds and higher seas toward the end of the week.

Tropical Storm Erin is expected to start to gain strength starting on Wednesday and will likely become a hurricane either Thursday or Friday.