Hurricane Harvey, pumped up by warm waters of the Gulf of Mexico, is roaring toward an overnight landfall near the major coastal city of Corpus Christi. It is expected to be the strongest storm to hit the United States in more than a decade. Here's what we know now: Harvey strengthens The storm became a Category 2 hurricane early Friday, with winds of 110 mph. It is forecast to strengthen to a Category 3 storm before landfall overnight, falling just a mile-per-hour short of t