Sea Levels Rising Fast on U.S. East Coast - NationalGeographic

[RobertEarl]

4. Fresh water from ice melt

.....is lighter than salt water. So when the two initially meet not only is the colder water below the warm it is also on top. In effect it is a wall from top to bottom. A porous wall, but a wall nonetheless.

There actually is an historic precedent... scientist say it has happened before. That the gulf stream was turned away by a wall of colder water. Have read there is evidence now of the gulf stream slowing down and not going as far north.

People on the east coast need to get prepared. You know insurance companies sure as heck are.