The b uilding blocks for tropical storms and hurricanes: Tropical waves, often called African easterly waves, are the building blocks for much of the tropical storm and hurricane activity in the ...

The researchers found that a moister environment produced weaker and slower-moving African easterly waves, or disturbances which are the primary precursor or "seed" for hurricanes in the Atlantic.

A lot of "very warm air" rises over the mountains in an area where the African easterly jet stream enters the region, she said. The resulting convection produces waves that interact with the West ...

The jet, a swift-moving ribbon of winds, creates undulations in the air also known as African easterly waves, which are the seeds for hurricanes. More: Hurricane season: NOAA makes highest storm ...

Such waves, known as African Easterly Waves, often help provide a base for tropical storms and hurricanes that develop in the Atlantic and Caribbean. It appeared in an area off Africa's coast that ...

The National Hurricane Center said the tropical wave formed on Monday off the west coast of Africa and is moving ... also known as an easterly wave. According to NOAA, a tropical wave is an ...

These thunderstorms get carried out over the Atlantic as tropical waves by the African easterly jet stream that forms each summer. Like a train, tropical waves move one after the other out into ...