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A p.m. t-storm in spots
An afternoon thunderstorm
A couple of thunderstorms
After only spotty rainfall during the first part of this weekend in the Pittsburgh area, the risk of severe thunderstorms and flash flooding will ramp up quickly by Sunday. more >
Nov 12, 2012; 5:00 AM ET
The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.