That's not a question. But most people don't have a clue what the evacuation plans are. We had similar plans for Rita and ignoring them produced a lot of the problem. Whether blue or rube, an area's behavior was the same.
Harvey had fairly low winds and wasn't going to hit Houston in a hurricane-y serious way. Had it come up the Bay, it would have made a geographically mess but most of the city would have been just fine.
The difference between Katrina's floods and Harvey's floods wasn't what *was* destroyed but what was left. Most of the city had electricity, had a place to stay, had the ability to support and help those who were flooded.
And when it comes to Katrina, the main problem wasn't just the storm but also some levee problems--a levee that collapsed that shouldn't have, a levee that was too low because of unexpected subsidence, a few levees that were still expecting upgrades. But when the levees broke, the below-sea-level sections flooded and there weren't a lot of people around to help. And some flooded areas would still be flooded today if repairs to pumps hadn't been made--they aren't just flood plains or even wet lands, they're reclaimed sea.
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