I always thought the dome of high water was caused by the lowest pressure pulling up on the surface water, causing it to rise. That's what the Weather Channel seems to imply in their graphics about that dome of water I've seen in their presentations. Michael Lowery, you imply it's more or less due to the continental shelf. Very interesting. Can a regular strong extratropical low also create a "dome" of high water near the center? Thanks for the tidbit about the continental shelf and storm surge.

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