ENGLEWOOD, Colo.--(BUSINESS WIRE)--DISH Network L.L.C. has launched WeatherNation®, a leading multi-format, local, regional and national television weather news service. The multi-year agreement includes a channel focused on national weather information as well as an interactive app that allows customers to quickly view their local weather. “DISH customers asked for more weather coverage around the clock,” said Warren Schlichting, DISH senior vice president of programming. “With the addition of