TIA-222-H moved away from the basic "100-year return period" wind maps and adopted a more nuanced risk-based approach. It now aligns more closely with ASCE 7-10 and ASCE 7-16, introducing:
Because TIA-222-H is a highly detailed, legally protected engineering document, it is not legally available as a free public download. To ensure you are working with the correct, uncorrupted data, you should acquire the document through official standards distributors: tia-222-h pdf