Emergency workers in Florida, Georgia and elsewhere rescued hundreds of people from boats, their homes and their cars as Hurricane Helene’s winds, rain and storm surge created havoc Friday on the Gulf of Mexico, in coastal neighborhoods and further inland.

The efforts of Florida’s 1,500 search-and-rescue personnel will be concentrated on securing and stabilizing affected communities through the weekend, said Kevin Guthrie, the state’s emergency operations director. The Category 4 storm made landfall on the Northwest Florida coast late Thursday, but it created flooding from storm surge all along the state’s Gulf Coast.

“As those sorts of rescue missions happen today, and continue, please do not go out and visit the impacted areas,” Guthrie said Friday morning at a news conference in the Florida capital of Tallahassee. “I beg of you, do not get in their way.”

The reported rescues ranged from life-threatening situations to people trapped in their homes by waist-high water and unable to flee on their own.

In Hillsborough County, which includes Tampa, the sheriff’s office rescued more than 300 people overnight from storm surge. Spokesperson Amanda Granit said those included a 97-year-old woman with dementia and her 63-year-old daughter, who got surprised by the surge and needed help fleeing their flooded home; and a 19-year-old woman whose car got stuck as she drove in the rising water and couldn’t get out.

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Granit said deputies were conducting rescues in such large numbers they had to request county transit buses to get the people to safety.

“Deputies couldn’t move them fast in enough in their patrol vehicles,” Granit said.

In the Tampa Bay-area city of South Pasadena, rescue video shows a house burning early Friday amid flooded streets. Other counties along the Gulf reported more than 100 rescues.

The Coast Guard said it rescued three boaters and their pets from the storm in separate incidents. In a Thursday helicopter rescue captured on Coast Guard video, a man and his Irish setter were stranded 25 miles offshore in the Gulf on their 36-foot sailboat in heavy seas.

The video shows the man putting his dog into a yellow rescue vest and pushing it into the raging sea before jumping in himself. A Coast Guard swimmer helped them into a rescue basket and they were hoisted into the copter.

In North Carolina, more than 100 swift-water rescues had occurred as Helene’s rains caused massive flooding Friday, particularly in the state’s western section. Gov. Roy Cooper said the flash floods are threatening lives and are creating numerous landslides.

“The priority now is saving lives,” Cooper said, begging people to stay off the roads unless they were seeking higher ground.

“With the rain that they already had been experiencing before Helene’s arrival, this is one of the worst storms in modern history for parts of western North Carolina,” Cooper said.

In Georgia, Gov. Brian Kemp said crews are working to rescue people trapped in more than 115 homes.

Helene’s rains flooded homes in Hanover West, a neighborhood in north Atlanta. Emergency personnel rescued several people from their homes, said Richard Simms, a resident in a nearby neighborhood.