The American climate migration has already begun

>Hurricanes have obliterated parts of the Gulf Coast, dumping more than 50in of rain in some places.

This is not evidence of climate change, and if you go and read NOAA's and the IPCC's own data they show that there has been no significant change in the frequency or intensity of hurricanes, and any minor change is actually a decrease in frequency of the last 50 years.

>Wildfires have denuded the California wilderness and destroyed thousands of homes.

Forest fires are also not a climate change event but rather a natural occurrence that was made all the worse by California's/DNR/USDA policy not to let these burns happen more frequently and allowing the build up of dying or dead material that burns much easier and makes life harder in forest areas in the state, something that the Forest Service has admitted. https://www.fs.usda.gov/detail/sierra/landmanagement/?cid=st...

>A once-in-a-millennium drought has dried up rivers and forced farmers to stop planting crops.

A once in a millennium drought would suggest that this has happened before and is not necessarily the result of any changing climate. Beyond that, how do we know that this is a once in a millennium drought? I'm no geologist, but I do know that weather records have only existed for the last approx. 150 years, during which I think water distribution of the Colorado river was meted out during years of very high rainfall, etc. that caused baselines to be determined incorrectly.

>In cities like Miami and Norfolk, where sea levels are rising

Again, NOAA's own data shows that while seal levels might be considered rising, they are doing so on average of less than a foot per 100 years, and that's often with only 50-100 years of data. This is not necessarily evidence of climate changing because over the next 100 years this could go the other way and average out. https://tidesandcurrents.noaa.gov/sltrends/mslUSTrendsTable....

For an article that makes large assumptions on the movement trends, primarily of Californians, the author does little in the way of providing data to back up the claims.