Heavy rain events in Oklahoma City can lead to rapid flash flooding, particularly in areas near the North Canadian River and Penn Square. Low-lying streets and underpasses are especially vulnerable during intense storms. Convective cells often move at speeds of 20–40 mph, providing limited advance warning. Stalling systems pose the greatest flood risks, as they concentrate rainfall over the city's watershed. Residents and planners should remain vigilant during the rainy season and transitional weather periods, as localized precipitation patterns can vary significantly across the city.