The National Hurricane Center was busy Monday tracking newly formed Tropical Storm Kirk, as well as what remains of Tropical Depression Joyce and Post-Tropical Cyclone Isaac in the Atlantic while also monitoring two more systems with the potential to become the season’s next tropical depression or storm.

The National Hurricane Center said the system in the Caribbean could become a tropical depression later this week.

Hurricane Helene's severe flooding knocked offline the top tracker of U.S. and global climate data, including of extreme weather. Why it matters: The National Centers for Environmental Information also maintains and updates NOAA's list of billion-dollar extreme weather and climate events.

Climate change is making hurricanes like Hurricane Helene more intense, scientific research shows. Helene has unleashed high winds, heavy rain and a dangerous storm surge in the Southeast after making landfall in Florida as a Category 4 hurricane Thursday night.

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