There seems to be an increase in floods. It's almost quite common to hear of several floods all over the world within the same week. Things may indeed be moving and it may accelerate exponentially.

I honestly would not consider Hong Kong to be an option at all. Really, it's high density. If anything really does happen forget about borders and state laws and such. Low density and high sea level near people you know and that's the best you could do.

If you forecast Alaska would be a good place just stay there. Do you think if anything even small happens that you will still be able to air travel? A lot of flights could be canceled if there is just a small missiles exchange.