It was also the fourth-most intense atlantic hurricane to make landfall in the contiguous united states, as measured by barometric pressure. Katrina formed on august 23, 2005, with the merger of a tropical รขโ‚ฌยฆ Explore the story of hurricane katrina and its impact, recovery, and lasting legacy.

Twenty years ago, on aug. 29, 2005, hurricane katrina cemented itself in history as one of the deadliest and most devastating disasters to strike the u. s. Hurricane katrina (august 2005) became a large and extremely powerful hurricane that caused enormous destruction and significant loss of life. It is the costliest hurricane to ever hit the united รขโ‚ฌยฆ