Tropical storm Debby live updates: Six killed after storm makes landfall in Florida as hurricane

At least six people have died as Hurricane Debby thrashed parts of Florida on Monday after making landfall and bringing risks of flooding, dangerous storm surge and power outages.

The National Hurricane Center announced at around 7am that Debby had made landfall near Steinhatchee, Florida , with winds of 80 mph, making it a Category 1 storm. It has since been downgraded to a tropical storm.

Those killed included a 12-year-old girl and a 13-year-old boy in Levy County after a tree fell. A 19-year-old man near Valdosta, Georgia died when a tree fell onto a porch.

Others killed in the storm were a truck driver who lost control of an 18-wheeler on Interstate 75 and went into the Tampa Bypass Canal, and a 38-year-old woman and her 12-year-old son whose SUV crashed in Dixie County north of Tampa in stormy weather.

Debby will travel across Florida before blowing through southern Georgia on Tuesday. The storm is forecasted to hit South Carolina Wednesday through Friday before calming.

More than 147,000 in the Sunshine State were without electricity as of late Monday, according to utilities tracking site PowerOutage.us .