I have been wondering this for a while and maybe you can help me out some. Why do tropical storms/hurricanes bring tornado threats? Is it because of 'embedded supercells'? And, why does the tornado threat only usually appear after it HAS made landfall, and not prior to that? I am asking these question because I have seen this happen so many times. Do the hurricanes make tornadoes wven when their out in the ocean? I'm thinking perhaps land has something to do with tornado development.