It's snowing very heavily. This shot used a short shutter speed to "freeze" the snow flakes. A long shutter speed turned the flakes into nearly invisible streaks. I prefer the dots but the boss didn't - so we have both. The other is at - http://ed-k-photo.smugmug.com/Photo-a-Day/2009/2009-Daily-Photos/6988948_kjHp8#732473160_R6wvF-A-LB