National Weather Service (NWS) GIS Portal

National Aeronautics and Space Administration (NASA) Disasters Program

National Hurricane Center (NHC) Data in GIS Formats

United States Geological Survey (USGS) GIS Data

U.S. Army Core of Engineers (USACE) GIS Data

Homeland Infrastructure Foundation-Level Data (HIFLD)

U.S. Geological Survey Emergency Operations Portal & Hazard Data Distribution Center (HDDS)

European Union Emergency Management Service (Copernicus)