Weather radar systems, such as the WSR-88D network used by the National Weather Service, provide high-resolution, near real-time data. This data allows meteorologists to monitor weather patterns as they evolve, from light rain to severe storms. By analyzing reflectivity (precipitation intensity) and velocity (wind patterns), forecasters can issue timely warnings for events like hail, tornadoes, and flash floods. For example, during a severe storm, radar can detect rotation within clouds, prompting early tornado warnings that save lives and reduce property damage.