Seas have drastically risen along southern U.S. coast in past decade
https://www.washingtonpost.com/climate-environment/2023/04/10/sea-level-rise-southern-us/Multiple new studies highlight a rate of sea level rise that is ‘unprecedented in at least 120 years’ along the Gulf of Mexico and southeastern U.S. coast
Scientists have documented an abnormal and dramatic surge in sea levels along the U.S. gulf and southeastern coastlines since about 2010, raising new questions about whether New Orleans, Miami, Houston and other coastal communities might be even more at risk from rising seas than once predicted.
The acceleration, while relatively short-lived so far, could have far-reaching consequences in an area of the United States that has seen massive development as the wetlands, mangroves and shorelines that once protected it are shrinking. An already vulnerable landscape that is home to millions of people is growing more vulnerable, more quickly, potentially putting a large swath of America at greater risk from severe storms and flooding.
The increase has already had major effects, researchers found. One study suggests that recent devastating hurricanes, including Michael in 2018 and Ian last year, were made considerably worse by a faster-rising ocean. Federal tide gauge data from the National Oceanic and Atmospheric Administration suggest that the sea level, as measured by tide gauge at Lake Pontchartrain in New Orleans, is eight inches higher than it was in 2006, just after Hurricane Katrina.
“The entire Southeast coast and the Gulf Coast is feeling the impact of the sea level rise acceleration,” said Jianjun Yin, a climate scientist at the University of Arizona and the author of one of two academic studies published in recent weeks that describe the changes.
more at link....
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And a belated welcome to DU! 
I posted in the LBN thread about The Great Displacement by Jake Bittle. I started it last night because I couldn't sleep and his first chapter is on Florida. He wrote about Hurricane Irma and Big Pine and the devastation. Just last year the hurricane that was captured showing 14-feet of flooding and how one of the touristy islands (can't recall name) is still uninhabitable.
Climate migration is happening now (around the world as well as here) and we need to do our level best and come up with some plans.
you heard it won't affect the rich and powerful they are going to Mars. After terraforming completes New Earth of course.
That's the heartland of the American Religious Right. God will save them. I mean Pat Robertson said hurricanes hitting Orlando were Gods revenge for the gays... so God would NEVER damage the home of the "enlightened Southern base". They sure don't need any government assistance either if something does actually happen. That would be Socialism... the root of all evil for capitalist RepubQcans!