National Risk Index for Natural Hazards - FEMA.gov
The National Risk Index is an easy-to-use, interactive tool. It shows which communities are most at risk to 18 natural hazards.
Flood Factor® Flood Risk Model Methodology - First Street
The First Street Flood Model (FSF-FM) is a nationwide model that allows us to determine the potential flood risk from rain, streamflow, sea level rise, tide, and storm surge for any location. The FSF-FM is a complex system comprised of various water models and qualified input components.
Map | National Risk Index - FEMA
Explore the National Risk Index dataset with the interactive map and data exploration tools. Discover your community's natural hazard risk, compare it to other communities, and create reports.
| Know Your Flood Risk | National Flood Insurance Program
What is my flood risk? Every home has some flood risk. The question is whether you live in a high-risk, low-risk or moderate-risk flood area. Find your flood risk Flood zones and maps. Your community’s flood zone and map show its flood risk. Use them to understand the likelihood of a flood in your area.
Guidance for FEMA's Risk Mapping, Assessment and Planning
Guidance documents provide vetted recommended approaches for FEMA's Risk Mapping, Assessment and Planning (Risk MAP) Program. These guidance documents support current FEMA standards and facilitate effective, efficient implementation of the program.
Know Your Risk - FEMA.gov
Nov 26, 2024 · FIND YOUR FLOOD MAP. Visit the FEMA Flood Map Service Center (MSC) to find your home or community’s flood map. This information will help you understand and navigate your flood risk, with resources and information tailored to your needs.
30 great tools to determine your flood risk in the U.S.
Jul 20, 2023 · The 30 tools include five new risk-rating agencies, FEMA flood maps, interactive sea level rise maps, ZIP-code-level flood insurance rate data, Army Corps levee and dam databases, and sea level rise forecast tools.
Federal Flood Risk Management Standard - Department of …
Nov 13, 2024 · 0.2-Percent-annual-chance Flood Approach (0.2PFA) The area subject to flooding by the 0.2 percent annual chance flood (also known as the 500-year flood). Consistent with USDOT’s support for incorporating future climate risk exposure within our overall programs, USDOT prefers the CISA to establish the FFRMS floodplain when data to support such ...
| Flood Risk | FloodSmart
High-risk flood areas begin with the letters A or V on FEMA flood maps. They are also known as special flood hazard areas (SFHAs). If you own a property in a high-risk zone and have a federally backed mortgage, you must purchase flood insurance.
How is my Flood Factor calculated? – First Street™
In the Flood Factor Matrix below you can visualize how Flood Factors increase as the depth and likelihood of flooding increases. The specific depth and likelihood of flooding expected to reach a property is used to determine the boundaries for each level of flood risk.