Update to VIIRS Aerosol Optical Depth product

NOAA has announced a version change for their SNPP and NOAA-20 VIIRS Aerosol Optical Depth products that we distribute on EUMETCast.

The new version, v3r2, will be released on 16 May and introduces the following scientific changes:

• Fix to the initialization and pointers.
• Change to use 17 class Surface Types, rather than 14 class Surface Types.

The new version will be reflected in the product filenames.

For more information, contact our User Service Helpdesk.