Heavy rains were forecast to start late Friday in Antigua and Barbuda, the U.S. and British Virgin Islands and southern and eastern Puerto Rico.

Erin developed in the eastern Atlantic, moving westward from the Cabo Verde Islands at about 20 mph (32 km/h). Infrared sensors on NOAA's GOES-19 satellite reveal colder cloud tops and deep convection near the center — signs of a strengthening system feeding on warm ocean waters.

As all eyes focus on the storm, another heat advisory issued for scorching temperatures heading into the weekend.

Tropical Storm Erin, now spinning far out in the central Atlantic Ocean, could undergo rapid intensification into a powerful 125-mph hurricane. According to Direct Weather's forecast, ski resorts like Palisades Tahoe and Mammoth Mountain may see less snow than usual.

Hurricane Erin would have the potential to trigger 100-foot waves as it moves across the waters of the Atlantic Ocean, according to forecasters. Why It Matters. Currently classifi