NASA's Atmospheric Science Data Center (ASDC) has maintenance activities scheduled from 9:00 a.m. to 5:00 p.m. EDT on May 29, 2026. Some data processing, receiving, ingesting, and archiving systems will be temporarily unavailable during the maintenance. This outage disables Direct Data Download and website-related URLs (access to documents), along with MISR order tool and the MISR L3 web tool.
Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement