Spider Crack On Windshield !link! -

The damage was caused by a kinetic impact event. A hard projectile (estimated diameter 5–8 mm) struck the windshield at a near-perpendicular angle. The energy transfer exceeded the tensile strength of the outer glass ply (~50–70 MPa), initiating brittle fracture.

If your crack falls under the "repairable" category, you have two choices: spider crack on windshield