In a windowless room Downtown, about 25 people huddled around a table to plan their responses to the worst natural disaster in Pittsburgh in a century. Forecasts called for the biggest flood in Downtown in more than 80 years, threatening hundreds of businesses on the North Side and Downtown. It was a fictional scenario. But it's one that feels increasingly possible in Western Pennsylvania on the heels of Hurricane Helene's cataclysmic inland flooding in southern Appalachia last fall. Read more a