Subtropical Storm Alberto 'Is Gaining Some Tropical Characteristics'
The storm, which is moving towards the U.S. gulf coast, is likely to become a tropical storm by Sunday afternoon or evening.
Updated 2:20 p.m. ET
Alberto, which is moving north through the Gulf of Mexico, is still categorized as a Subtropical Storm. But the National Hurricane Center (NHC) said Sunday morning that "it is gaining some more tropical characteristics."
According to , the center of the storm is predicted to reach warning areas on the U.S. gulf coast Sunday night or early Monday, but heavy rainfall and
