|This is rather wild speculation with very little logic to support it. consider that Nevada is down stream from much of the Sierra water flow. Yet also has very low population, How does that work out ? The two major population centers Reno and Vegas are close to major river flows and benefit from both respectively.|
Sea level rise is on a slow track of about 3.5 millimeters. Per year. At that rate no one alive today would live to see much ocean incursion in Florida much less states north of there. In 100 years or so maybe someone somewhere might built a sea wall barrier to protect an area. It’s been done before elsewhere. I wouldn’t lose any sleep over that matter. Speaking of hurricanes, records of these go back quite a few hundred years as we know that name came from the indigenous people of the Caribbean islands in the time of Columbus. So back to the little ice age period at least. And there’s probably some scientific studies that have identified indications of these types of storms going back thousands of years. It will take a lot to drive the v out of the south, probably something on the order of trying to drive the Canadians out of the bush.
I have lived in Florida, Mississippi, Nevada besides Calif and Oregon. I have visited most of the rest of the states you mention. Weather is different in all those places. Good thing humans are an adaptable species.