Haven't local news stations across the board been providing more live weather coverage over the decades due to demand? Yes, it's way easier to find your weather online, but to explain what's happening and why along with relaying critical information requires a live segment. News stations pull in tons of ratings when there's virtually non-stop live weather coverage during an event. As Tyler hinted above, TWC better not let themselves get caught again in some non-live show while a serious weather event is looming or occurring. Even average viewers who love long-form will notice, especially if they're the ones being threatened.