Forecasters with NOAA issued their predictions for the 2013 hurricane season Thursday. Once again, a busy year is expected in the tropical Atlantic. NOAA expects 13-20 named storms to form. Of those 7-11 could be hurricanes, and 3-6 of those could be major hurricanes with winds of at least 111 mph.Forecasters look at several factors including sea surface temperatures, the likelihood of an El Nino...