Memphis sits in a transitional climate zone where cold air masses from the north collide with warm, humid air from the Gulf. This creates the severe thunderstorm activity that defines spring weather in Shelby County. Tile roofing contractors here must design systems that handle 60 mph straight-line winds, hail up to golf ball size, and the rapid temperature changes that cause condensation beneath improperly ventilated roof assemblies. The 50 inches of annual rainfall concentrates in heavy events rather than steady precipitation, which means flashing and valley systems face high-volume water flow during storms. Tile roof installation in Memphis requires understanding these specific stress factors.