Upgrade to OSI SAF Flux products

The products are:

• Atlantic High Latitude Downward Longwave Irradiance — Current version is OSI-301-b
• Atlantic High Latitude Surface Solar Irradiance — Current version is OSI-302-b.

They will be replaced with the new version products, OSI-301-c and OSI-302-c, respectively, on 23 May 2023.

The updated products are provided in the same product file, as is the case for the current products.

Major changes introduced:

• Inclusion of VIIRS data from NOAA-20 and S-NPP
• Inclusion of Metop-C AVHRR data
• Switch from PPS v2014 to PPS v2021 for cloud products
• Adjustment of the cloud transmittance coefficient

The product file format is mainly unchanged, except for some additions/corrections to the global attributes. More details can be found in the new Product User Manual.

Sample files of the new version products are available on the OSI SAF FTP server: ftp://osisaf.met.no/prod_test/flux/daily

For more information, contact our User Service Helpdesk.