The National Hurricane Center (NHC) is monitoring two areas to watch for tropical development behind Hurricane Erin as the Atlantic Ocean’s Main Development Region roars to life. Development odds grow ...

In the Atlantic Ocean, the Main Development Region (MDR) refers to the area where most powerful tropical storms and hurricanes form, especially during the peak months of hurricane season — typically ...

The Main Development Region in the Atlantic is showing more signs of life as forecast models hone in on a tropical wave moving toward the Caribbean into next week. An area to watch has been marked in ...

A new tropical wave is being monitored as it crosses the main development region. It's expected to enter the Caribbean Sea early next week. As of Thursday, the National Hurricane Center is giving it a ...