Los Angeles-based Mogreet, the video marketing and mobile messaging startup headed by James Citron, said today that it has launched a new mobile video service for WGCL-TV, CBS-Atlanta. According to Mogreet, the new service will deliver video news and weather alerts to viewers' mobile devices. Financial details of the win were not disclosed. Mogreet said it is powering the service, which allows users to text keywords to the station for video updates. Mogreet provides mobile marketing and other related services to marketers. The firm is venture backed by Ascend Venture Group, Black Diamond Ventures, DFJ Frontier, Spyglass Ventures and Clovehitch Partners.