Forecasters say Gabrielle hit its peak strength while the next named storm, Humberto, will likely form in the next few days. Here's what you need to know.

Central Atlantic wave: Located west-southwest of the Cabo Verde Islands, the system is producing limited convection. Dry air should inhibit development in the near term, but conditions may improve later in the week. The NHC gave it a 10 percent chance of formation in the next 48 hours and a 60 percent chance through seven days.

A struggling Gabrielle continues to traverse the warm Atlantic and is expected to reach hurricane status by Sunday.

Hurricane Gabrielle strengthens from tropical storm as its path threatens Bermuda and sparks rip current fears along the US East Coast.

We need to closely watch two other areas of potential tropical development this week. One or both of these waves could impact the Caribbean Islands.