Write an article discussing the dual role of severe weather alerts in public safety across various regions, highlighting how they inform communities and potentially save lives. Explore the technological advancements in meteorology that enhance the accuracy and timeliness of these alerts, such as radar systems and satellite imaging. Include specific examples from Iowa, New York, and Nebraska to illustrate the impact of effective weather communication. Discuss the importance of public awareness and preparedness in response to these alerts. Finally, emphasize how these systems not only protect individuals but also foster community resilience during severe weather events.