Hurricane Ida in New York Fact Sheet 2: Flood Warning and Inundation Mapping

This FEMA fact sheet explains how flood warning systems and flood inundation mapping provide critical information to help communities and individuals prepare for and respond to flood events. It outlines the benefits of timely flood alerts, such as reducing physical and indirect losses, improving public safety, and enabling effective emergency actions like evacuation, property protection, and infrastructure management. The document highlights the importance of local and national warning systems, mapping tools, and communication channels in conveying actionable flood risk information, especially for buildings and their occupants in flood-prone areas.