For the second time in a week, a winter storm could bring snow, sleet and freezing rain to South-Central Pennsylvania.

A storm that pummeled dozens of Midwest states with snow during the weekend also brought another weather phenomena, at least to Missouri: Thunder and lightning. The phenomenon, known as ...

Stunning storm photos often emerged ... many with a distinct purple hue. Lightning can come in many different colours, including yellow, brown, pink and red, depending on environmental factors.