Storm pics.

[SlowWhite]

sorry Enes I didn't read through the thread yet, I'm just on lunch break. Basically get up on your roof, if yoru shingles have dimples in the shingles. just like you see on your car when it gets hit with hail.

Enes in your case with being so close to a tornado, look at your roof, Does it look like any of the shingles are sticking up (ie: edges of shingles will sometimes fold up a little and not lay flat on the roof after the seal has been broke) otherwise get on the roof and see if you can lift any shingles if you can then you have Wind Damage.... normally an Roofs if the Seal is perfect you will not be able to budge the shingles, you will break your nails, or even get blisters by the time your done checking the roof.

I'll have to check more about MN codes but down here if there is more then 25% wind damage to the roof andd the insurance company is required to replace the entire roof. And normally where there's a few wind blown shingles there is going to be more through out the roof.