A tropical depression formed Saturday afternoon south of Cuba amid forecasts that the system would become a named tropical storm later this weekend and possibly a hurricane within days, the U.S. National Hurricane Center said.
Tropical Storm Marco began falling apart Monday, easing one threat to the Gulf Coast but setting the stage for the arrival of Laura as a potentially supercharged Category 3 hurricane with winds topping 110 mph.
Hurricane Isaias is ripping shingles off roofs and blowing over trees as it carves its way through the Bahamas and heads toward the Florida coast, where officials in Miami are closing beaches, marinas and parks.
Tropical Storm Isaias battered Puerto Rico on Thursday as it continued on a forecast track toward the U.S. East Coast, unleashing small landslides and causing widespread flooding and power outages on an island still recovering from previous hurricanes and earthquakes.
Tropical Storm Hanna is close to hurricane strength as the system moves toward the Texas coast. A Saturday morning update from the National Hurricane Center says Hanna's maximum sustained winds have increased to 70 mph.