• On Wednesday, January 22 from 9:00 a.m. to 2:30 p.m. (US Mountain Time), the following data collections may not be available due to a planned system maintenance: ASO, AMSR Unified, AMSR-E, Aquarius, High Mountain Asia, IceBridge, ICESat/GLAS, ICESat-2, LVIS, MEaSUREs, MODIS, Nimbus, SMAP, SnowEx, SSM/I-SSMIS and VIIRS. Users of the SMAP near real-time products should use the NASA LANCE HTTPS File System for data access. 

SMMR and SSM/I-SSMIS

Passive microwave data from 1978 to present
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Data Announcements

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Data Announcement

Data set update: Ease-Grid Sea Ice Age

The EASE-Grid Sea Ice Age, Version 4 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been updated through 31 December 2023. This
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