Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

New risk models show nearly twice as many properties are at risk from a 100-year flood today than the government's flood maps indicate.

Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

It's only happened twice since naming started in 1950, and there's an unusual twist to where many of the storms are forming this year.

In an unusual twist, many of those storms have been forming closer to the US coast.

It's not just about the hurricane. How high a storm surge gets and how far it reaches also has a lot to do with the land.

It's not just about the hurricane. How high a storm surge gets and how far it reaches also has a lot to do with the land.

Laura went from a tropical storm to a major hurricane in less than 24 hours, sending coastal residents scrambling to prepare. Hurricanes Harvey and Michael exploded in strength in similar ways.

Laura went from a tropical storm to a major hurricane in less than 24 hours, sending coastal residents scrambling to prepare. Hurricanes Harvey and Michael exploded in strength in similar ways.