I Googled it and the actual elevation of Port Arthur is 7 feet.
But a 20 foot storm surge in the gulf is unlikely. I doubt if it could actually rise above 12 feet. Storm surge is where the tide rises but the wind never lets it go out...Then it rises again! And the wind gives it a boost!
Unsurvivable is the word the weather forecasters are using. Still, many are refusing to evacuate. Some of the same folks who refuse to wear masks I imagine...
Republican Convention is surely being canceled so the president can focus on the emergency situation in Texas right...LOL...nawp...it's mostly black people there so he don't give a f*ck.