Texas summers hit 100 degrees or more, which bakes shingles until they crack...

https://www.primary-bookmarks.win/texas-summers-bake-roofs-with-temps-over-100-degrees-causing-shingles-to-crack

Texas summers hit 100 degrees or more, which bakes shingles until they crack and curl around the edges. By fall, those damaged spots let in leaks during heavy rains. If your roof is 10 years old or older, it’s probably overdue for a checkup