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Harvey vs. Katrina: How do these monster storms compare?

By Mindy Weisberger

September 01, 2017, 3:08:43 PM EDT

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Evacuees in Houston wade down a flooded section of Interstate 610 during Tropical Storm Harvey, on Sunday, Aug. 27, 2017. Rising water drove thousands of people to rooftops or higher ground. Credit: David J. Phillip/AP

Tropical Storm Harvey's historic rainfall and flooding continue to batter the Texas coast near the Gulf of Mexico, and Louisiana's southwestern coast is bracing to similarly face an onslaught of heavy rainfall and rising floodwaters in the coming days.

With significant rainfall and flooding still in the forecast, Harvey could rival the devastating impact of Hurricane Katrina, which pummeled the Louisiana coast in 2005 and was one of the deadliest storms to ever strike the U.S. It caused 1,833 deaths and cost about $108 billion in damages, according to the National Weather Service (NWS).

What shaped these two catastrophic events, and how do they measure up against each other?

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