Often in high wind events, we see the corners of shingles tear. This is common on contractor-grade shingles. Sometimes a tree branch or flying debris may impact a shingle causing damage. 3rd party damage is another issue, as people walk across the roof they can cause damage. Damaged shingle leaves the underlayment showing, accelerating roof wear.
Learn more here: https://www.vanmartinroofing.com/roof-repair/shingle-roof-repair/