The latest version of MacOS, Tiger, has a feature called Dashboard that lets you have all kinds of widget-based applications running in the background for when you need them (calendar, clock, calculator, etc). I find it very useful because the background is transparent, so if I want to add a list of numbers on the screen I don't have to click back and forth to do so, I can see the numbers under the calculator.
Anyway, there's a weather widget that I also have loaded, and when I went into Dashboard to use the calculator, I was shocked to see that the snow on the weather widget (much like the snow outside) had taken over:
Parker-Hannifin: Over A Century Of Success
39 minutes ago