iheartbillboards.com has an outstanding article on how digital billboards sprinkled throughout the US can change on a dime, relaying safety messages and updates to local communities as weather patterns emerge. This picture says it all.
Insider’s take: Don’t be shy about pointing out to people the public alert benefits of digital billboards. They are a great way to reach people with breaking news about floods, hurricanes, tornadoes, fires, accidents and amber alerts.