Why are roads slippery when it rains?

AUSTIN (KXAN) — Everyone knows roads get slicker when it rains, but do you know why? In this First Warning Weather University lesson, Chief Meteorologist David Yeomans takes a closer look at the forces driving you off the road.What you'll learn in this First Warning Weather University lesson:What is the Coefficient of Friction?What happens to your tires when they meet water?Why it is more dangerous when it rains following a dry spell?Learn more from Weather U:What is a rain bomb and why do