This episode of WeatherBrains takes a look back on the 11th anniversary of Hurricane Katrina.

John Zarrella is this week’s guest WeatherBrain; he worked for CNN from 1981–2013. In addition to covering numerous hurricanes and tropical storms, he was the principal correspondent for CNN’s coverage of the U.S. space program, covering such events such as John Glenn’s 1998 return to space, the Mars Pathfinder mission and numerous space shuttle launches.