The National Hurricane Center's 11 p.m. Thursday advisory reported that Tropical Storm Melissa is in the Caribbean Sea, 150 miles southeast of Kingston Jamaica and 270 miles southwest of Port Au Prince Haiti. With maximum sustained winds of 45 mph, the system is moving to the north at 3 mph.

Tropical Storm Melissa's forecast is filled with uncertainty, prompting some dire worst-case scenarios for Caribbean islands.

Warm Caribbean waters should fuel Melissa into a Category 4 hurricane or higher in the coming days. Though odds are low for the U.S., forecasters say South Florida should keep an eye on the

Given this and the projected "trough" in the Northeast next week there is a chance of a coastal storm or nor'easter impacting parts of New England, hence why we are giving you an early heads-up. Where it forms, who it impacts, and the timeline for all of this remain question marks.

The National Hurricane Center's 2 p.m. Thursday advisory reported that Tropical Storm Melissa is in the Caribbean Sea, 215 miles southeast of Kingston Jamaica and 275 miles southwest of Port Au Prince Haiti. The system, with maximum sustained winds of 50 mph, is moving northwest at 5 mph.

Rain and wind warnings have come into force across parts of the UK as Storm Benjamin bears down on the country. Commuters have been warned of heavy rain and winds of up to 70mph (112km/h) on Thursday, with the most significant impact expected in the early hours of the morning.

A storm currently moving across Canada will bring lake-effect rain and other hazards to at least a dozen U.S. states on Wednesday, a National Weather Service (NWS) forecast said. The unsettled weather will persist through Friday.