The Advanced Very High Resolution Radiometer (AVHRR) acquires measurements of land and sea surface temperature, cloud cover, snow and ice cover, soil moisture, and vegetation indices. Data are also used for volcanic eruption monitoring.
Delivery of new Suomi National Polar-orbiting Partnership (Suomi NPP) satellite observations will cease on November 2, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement