Major Storm and Flood Event Best Management Practices Resource List

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Federal Resources

National Risk Index
The National Risk Index (NRI) is a new online resource from FEMA that analyzes risk factors for 18 natural hazards by defining risk as the product of expected annual loss (EAL), social vulnerability and community resilience.
Preliminary Flood Hazard Data
Preliminary flood hazard data provide the public an early look at the projected risk to flood hazards. Preliminary data may include: new or revised Flood Insurance Rate Maps (FIRM), Flood Insurance Study (FIS) reports, and FIRM Databases.
National Flood Hazard Layer
National Flood Hazard Layer is a geospatial database made from effective flood maps and Letters of Map Change (LOMC).
Hazus
Hazus is a nationally aavailable methodology that models potential losses from earthquakes/tsunamis, floods and hurricanes. Hazus uses GIS technology to estimate physical, economic and social impacts of these hazards.

National Precipitation Frequency Standard
- NOAA ATLAS 14 POINT PRECIPITATION FREQUENCY ESTIMATES: MA
- NOAA ATLAS 14 POINT PRECIPITATION FREQUENCY ESTIMATES: NH
Storm Event Database
Events listed in this database include: The occurrence of storms and other significant weather phenomena having sufficient intensity to cause loss of life, injuries, significant property damage, and/or disruption to commerce; rare, unusual, weather phenomena that generate media attention; and other significant meteorological events that occur in connection with another event.

Mass EOEEA

Mass CZM

Mass DPH