CERES Edition 1C NOAA-20 SSF1deg (-Hour/-Day/-Month) Product Release

by **ASDC - micook** » Wed Apr 23, 2025 4:10 pm America/New_York

The Radiation Budget Science Project (RBSP)/CERES Science Team announces the release of Edition 1C NOAA-20 Level 3, Single Scanner Footprint (SSF), 1-degree gridded data product suite.

The release of the Edition 1C product suite was prompted by the discontinuation of the Global Modeling and Assimilation Office (GMAO) Goddard Earth Observing System (GEOS5.4.1) reanalysis dataset in July 2024. The Edition 1C uses GMAO’s Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2) data product over the entire data record.

These products contain gridded, regionally averaged data of CERES reflected shortwave (SW), emitted longwave (LW) and longwave-channel (LW-chan) top-of-atmosphere (TOA) fluxes. They also include cloud and aerosol properties derived from the Visible Infrared Imaging Radiometer Suite (VIIRS) imager, co-located on the NOAA-20 satellite, as well as meteorological information from the MERRA-2 data product.

The data are available at three temporal scales:

Hourly: CER_SSF1deg-Hour_NOAA20-VIIRS_Edition1C
Daily: CER_SSF1deg-Day_NOAA20-VIIRS_Edition1C
Monthly: CER_SSF1deg-Month_NOAA20-VIIRS_Edition1C

where the daily and monthly products are interpolated from the hourly data.

The hourly product additionally includes instantaneous SW and LW radiances, the NOAA-20 CERES LW-channel flux, and selected VIIRS imager channel radiances.

These products are available from May 2018 to November 2024, with forward-processing continuing as more data become available.

Information about these new data products, including data availability, user documentation, quality statements, relevant links, tools for working with the data, etc. can be found at the following page of the CERES website:

https://ceres.larc.nasa.gov/data/#ssf1deg-level-3

These data products are available from the ASDC via the following options:

Eathdata Search
Direct Data Download
OPeNDAP

Related URLS: https://asdc.larc.nasa.gov/project/CERES