A comprehensive and poignant reflection on one of the most devastating hurricanes in U.S. history, Katrina 20 revisits the catastrophic impact of Hurricane Katrina two decades later, exploring its profound effects on communities and individuals. Watch tonight at 8/7c on The Weather Channel. | The Weather Channel

50 years ago, 1972's Hurricane Agnes killed 122 people and caused more than $2 billion in damage in eastern US

Buckled bridges, destroyed homes: 1972 flood transformed Elmira, Corning into 'war zone'

Two decades ago, Hurricane Katrina became one of the most devastating and defining storms in modern history. Now, 20 years on, we’re bringing together weather experts and meteorologists who were on the ground during the disaster to share untold stories, lessons learned, and how Katrina reshaped the way we understand extreme weather. Join us live on YouTube on August 28 at 7pm ET for a powerful conversation you won’t want to miss. #HurricaneKatrina | The Weather Network