If people will not do something about it, chances are, the city will eventually vanish.
Hurricane Katrina started as a tropical depression twelve due to the interaction of the tropical wave and the tropical depression. It transformed into the tropical storm status and in the span of 2 hours became a hurricane. The intensity ceased for a moment but came back growing from Category 3 hurricane to category 5 in the span of 9 hours. It decreased its intensity when it was absorbed by a frontal boundary.
Yes, because the continuous rise of the intensity of the hurricane from tropical depression was nonstop. It started as a tropical depression on the 23rd of August, and within just a few hours, it transformed into category 1, to category 3, and finally made its strongest as category 5 hurricane.
No, Hurricane Katrina was an extremely powerful storm. It was just too strong making it one of the five deadliest hurricanes in America and Katrina could easily change its intensity in just a few hours making it hard for the government and the people to make thorough