The National Hurricane Center is tracking three developing systems with growing chances to form into the season’s next tropical depression or storm while also following Hurricane Isaac and

Hurricane Helene, which is currently Category 1, formed from an area of low pressure in the Caribbean, having strengthened rapidly over the last few days. The hurricane is expected to be the "strongest hurricane to make landfall in the U.S. this season," possibly hitting Category 3 or 4 strength.

Hurricane Helene barreled into the western coast of Florida with dangerous winds, knocking out power for more than a million customers and threatening to unleash deadly flooding across several states.