Shingles flap violently. TV antenna masts bend and antennas are destroyed. Structural damage starts getting serious. Large sections of roofs and roofing tear off and fly. Patio roofs and awnings destroyed.
Some Mobile homes begin to suffer damage.
Walking nearly impossible. 64 - 72 Structural damage widespread and major. Mobile homes skins peel. Entire roofs blow off and windows blow in. Mobile homes displaced.