Solar radiation enters the Earth's atmosphere with a portion being scattered by clouds and aerosols.

Processing, archiving and distributing Earth science data
at the NASA Langley Research Center

FTP Services to be Discontinued at the ASDC

Thursday, September 12, 2019 to Friday, September 20, 2019
Event Impact: 

NASA is eliminating the use of the FTP protocol for any external communications and replacing it with other file transport mechanisms (e.g., SFTP, https).  The timeframe for migrations varies per service.  In most cases, users of the new file transport mechanisms will be required to obtain an Earthdata Login account. Instructions to register for an Earthdata Login account are available at