The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The http:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
CrowdMag Migration
Please Note: NCEI will transition the CrowdMag project to CIRES, University of Colorado on May 5, 2025. The underlying data will continue to be available. Send comments and questions to ncei.info@noaa.gov.