Hurricane Michael made landfall Wednesday northwest of Mexico Beach, Florida.
The powerful Category 4 storm brought winds of up to 155 mph.
Michael's low central pressure makes it the strongest hurricane the US has seen in nearly 50 years.
Videos shared on social media show severe flooding and destruction in Florida.
Hurricane Michael, the most powerful storm the US has seen in nearly 50 years, is moving through the Florida Panhandle, ripping apart homes and sending walls of water rushing inland.
That strong, well-developed core makes for a very powerful, windy storm on land.