The storm left a 500-mile path of destruction, weather experts say. It's one of the largest storms the Gulf of Mexico has seen in the last century.
In North Carolina, extreme floods washed away homes and bridges. At one point, authorities closed 400 roads deeming them unsafe for travel. Governor Roy Cooper called Helene's wrath in western North Carolina is "catastrophic" of historic proportion."
"This is an unprecedented tragedy that requires an unprecedented response," North Carolina Gov. Roy Cooper said.
Here are some visuals of the devastation left behind:
HELENE STORIES
Western NC grapples with aftermath of Helene: flooding, power outages, and road closures persist
Chapel Hill mother, son reunited after losing communication in wake of Tropical Storm Helene
Hurricane Helene leaves at least 107 dead and a 500-mile path of destruction