That is correct, for any given area you’d expect one 100 year storm for that area roughly every hundred years. When you start seeing them in that area every 10

That is correct, for any given area you’d expect one 100 year storm for that area roughly every hundred years. When you start seeing them in that area every 10 years or so, interspersed with occasional 1,000 year storms every few decades, that’s an indicator something is going badly wrong.