Yesterday turned out to be a pretty nice day.  I went outside and breathed in the warm 34 degree air.  It was nice not to have ice crystals immediately fill my lungs.  As I looked around my yard and my home, I noticed a problem on my garage roof.   The snow was piled up about 2 1/2 feet on my garage roof.   See the problem isn't always how much snow has fallen, but sometimes drifts can occur on your roof.

So do you need to shovel off your roof?   There's a few things to consider:

How deep is the snow?

How strong/old is your roof?

Is your roof flat?   The steeper the roof, the better for snow as it tends to fall off more and not accumulate.

How heavy is the snow?  Wet snow is heavy and can really make a difference.

There's a great article on the science about this that can go into much further details at Popular Mechanics.

I decided not to risk it.  It was a nice day, and it doesn't hurt to get a little exercise.  Ok, maybe it hurt my back a little.  Also, there's another storm coming tomorrow, so that would be even more snow!

As always, if you decide to shovel off your roof, be careful.   A roof rake is the safest option, but remember ice could come down on you.