Review Of Aurora Borealis Northern Lights Pennsylvania References. The forecast lead time is the time it takes for the solar wind to travel from the l1 observation point to earth. Web the university of alaska’s aurora forecast predicts that the northern lights will be visible overhead late thursday night into friday morning as far south as portland, ore.;
However, there are times when they’re solid white with no colors at all. While cherry springs state park promises a spectacular view of the northern lights in pennsylvania, here are seven more spots that are perfect for an evening of stargazing. Web the northern lights are visible over the city of tromso in northern norway in 2014.
