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


RSS Feeds - news, announcements, maintenance.

DAAC Updates


GroundMSPI Level 1B2 V009 New Data for NASA/SRON ACEPOL Campaign

Thursday, October 25, 2018

The NASA Langley Atmospheric Sciences Data Center (ASDC) and Jet Propulsion Laboratory (JPL) announce the public release of Version 009 of the Ground-based Multiangle SpectroPolarimetric Imager (GroundMSPI) Level 1B2 data products for the Aerosol Characterization from Polarimeter and Lidar (ACEPO

CALIPSO CALIOP L2 Lidar Standard V4.20 Release Announcement

Thursday, October 11, 2018

The CALIPSO mission team, in collaboration with the Atmospheric Science Data Center (ASDC) at NASA Langley Research Center and AERIS/ICARE Data and Services Center, announces the release of an update to the standard Level 2 lidar data products.


CALIPSO - Sister Satellites, Briefly Separated, Working Together Again

Friday, September 28, 2018

In February 2018, facing a mechanical challenge, CloudSat had to exit the A-Train, or afternoon constellation, of Earth-orbiting satellites, and move to a lower orbit.

CALIPSO Orbit Change

Tuesday, September 11, 2018

On September 13, 2018 CALIPSO will begin lowering its orbit from 705 km to 688 km to resume formation flying with CloudSat.

High Temporal Resolution Air Quality Observations from Space: NASA ARSET Training Announcement

Friday, August 31, 2018

NASA Applied Remote Sensing Training Program (ARSET) Air Quality related training webinar on: