It was Friday afternoon and she and her friends were driving to visit her parents when they suddenly spotted a massive storm ... cloud mass on the horizon and the sky suddenly turning dark over ...

The towering cumulonimbus cloud ... the sky turn the darkest black, as if I was looking up into a celestial sphere in a night deprived of stars,” he wrote in his book. “Dark gray ripples ...

Follow the latest news headlines from Australia's most trusted source. Read in-depth expert analysis and watch live coverage ...

Western Colorado can expect storm activity to begin late this afternoon and evening. Cloud coverage will increase throughout the day prior to the start of the storm. This storm system will begin ...