Been following this thread for a bit and I wanted to throw my 2 cents in...
It's all bullshit.
I've lived in the seattle area for 25 years now and it snows at least once a year in downtown seattle, usually around december or early january. There are tons of urban rails everywhere - it's one of the most hilly cities in the states. Why else would there be neighborhoods like Capitol Hill? or Queen Anne Hill? Great in-runs, and some good landings too. There are sick wall-rides, ledges and rails EVERYWHERE.
Snow isn't a big issue, as long as you can get to the rail...people around here don't know how to drive in the snow and traffic gets backed up very quickly. One of those situations where it would be handy to have an urban touring ski for hitting rails. This is good though becuase law enforcement doesn't give a fuck about peole hitting stuff around town because they're more concerned with traffic accidents like busses sliding down hills uncontrollably ( this video is from around thanksgiving last year - http://www.youtube.com/watch?v=rhZCyQ3emQg)The snow doesn't last more than two days in most spots, but you can still hunt in the shade for snow that hasn't melted to scrape something together if need be.
The only issue that comes to mind with urban in seattle is how overprotective all these local inner city skiers are. Many of whom have commented on this thread, are too stuck up, arrogant and selfish to realize the good that can be done by exposing the urban shred culture within seattle. There are TONS of goods to get around, and whats wrong with seshing together? With a larger crew of like minded people there is a ton more opportunity to actually make something happen in the short window that we are offered here, so that you can actually hit one of the many filthy features around the city instead of simply 'imagining' what it would be like to do so if it ever snowed in seattle...
So yeah. In closing, it snows a decent amount in seattle at least annually, and there is some gold around here. Lets share the wealth boys