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 https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Please note: Due to scheduled maintenance, many NCEI systems will be unavailable Sunday, February 22, 12:00 PM ET - 4:00 PM ET. We apologize for any inconvenience.
Please note: The NCEI site ngdc.noaa.gov is undergoing scheduled maintenance on the following days:
We apologize for any inconvenience.