On Wednesday, Dec. 3, 2025, from 8 a.m. to 9 a.m. ET there will be planned maintenance downtime at NASA's Atmospheric Science Data Center (ASDC) and the operating systems will be temporarily unavailable. This is an urgent update for critical vulnerabilities. We apologize for any inconvenience and appreciate your patience as we work to improve our systems.
Delivery of new Suomi NPP data ceases on Nov. 2, 2026. Users should transition to alternative products.
Suomi NPP data announcement