As of the latest advisory on Aug. 11, Invest 97L has a high chance — 90% — chance of strengthening in the next seven days.

The large disturbance over the eastern tropical Atlantic - officially tagged Invest 97L - is heading west in the general ...

Forecast models show Erin has the potential to become a major Category 4 hurricane with winds reaching at least 130 mph on the Saffir-Simpson Hurricane Wind Scale. Erin’s center is expected to move ...

The National Hurricane Center says a tropical disturbance in the eastern Atlantic could develop into a tropical depression ...

A strong tropical wave (now Invest 97L) moving off Africa will likely become the first hurricane (Erin) in the Atlantic this ...

Hurricane forecasters have their eye on two tropical systems forming in the Atlantic Ocean, one of which might pose an eventual risk to the United States.

The tropical wave that moved off Africa Friday has been designated Invest 97L, and it is on the cusp of becoming a tropical ...